Dr. Gregg A. Adams, MD

  • San Jose, CA
  • General surgeon
NPI1720175268PAC ID4981757325
Medicare services, 2024
169
Medicare patients, 2024
148
Part D claims, 2024
42
Publications
7
MIPS score, 2024
61
Practice address
751 South Bascom Avenue, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Santa Clara Valley Medical Center

Hospital · San Jose, California

See all 3 affiliations

Find Dr. Adams' professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Gregg A. Adams is a general surgeon in San Jose, California

Dr. Adams practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Adams' NPI, 1720175268, was assigned on October 6, 2006. Dr. Adams graduated from OHSU School of Medicine in 1988. Dr. Adams holds California license G70824.

NPI and contact details
Medicare PAC ID
4981757325
NPI enumeration date
October 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(408) 885-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregg A. Adams practices at Santa Clara Valley Medical Center in San Jose, California

Dr. Adams' primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

Source: Dmand AI Affiliation Data

Dr. Gregg A. Adams is affiliated with 2 sites of care and 1 medical group

Dr. Adams' primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Adams to 1 more community health center, named with a free account.

See all 3 affiliations for Dr. Adams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gregg A. Adams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Adams practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clara Valley Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Adams practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Gregg A. Adams is one of 2,926 general surgeons in California

Surgery is Dr. Adams' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Adams is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Adams' licenses on file in 2 states: California and Oregon.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense G70824 · 1991 to 2026 · taxonomy 208600000X
  • Oregon licenseSince 1989

Clinical focus

Dmand AI lists acute gallbladder or bile duct inflammation, gallbladder removal, groin hernia surgery, non-surgical back problems and traumatic coma among the conditions Dr. Adams treats.

General surgeons near Dr. Adams

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gregg A. Adams billed Medicare for 169 services in 2024

CMS data shows 169 Medicare services from Dr. Adams across 3 procedure codes in 2024, for 148 Medicare patients. Medicare paid $7,169 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024169
Medicare patients148
Paid by Medicare$7,169
Procedure codes3

Dr. Adams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 782024: 169117%

Dr. Adams compared with the California median for general surgeons, 2024

  • Dr. Adams
  • California median
Medicare services
169vs 166Close to median
Medicare patients
148vs 12122% above
Part D claims
11vs 3468% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Adams' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Adams

Need commercial claims for Dr. Adams?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Adams and other general surgeons in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregg A. Adams treated 148 Medicare patients in 2024, average age 75

CMS counts 148 Medicare patients who saw Dr. Adams in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 57% are also on Medicaid. Their average risk score is 2.03, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Adams' median patient age at 61, with 40% women.

Medicare patients, 2024148
Average age75
Average risk score2.03
Also on Medicaid57%

Dr. Adams' Medicare patients by age, 2024

Dr. Adams' Medicare patients by sex, 2024

  • Women7047%
  • Men7853%

Chronic conditions among Dr. Adams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol70%
  3. Arthritis55%
  4. Mood disorders39%
  5. Diabetes37%
  6. Depression33%
  7. Anxiety29%
  8. Atrial fibrillation28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Adams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women40%
  • Men59%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregg A. Adams wrote 42 Medicare Part D claims in 2024

In 2024, Dr. Adams wrote 42 Medicare Part D claims for 17 patients. 95% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $84 in total drug cost. In 2018, CMS named 11 claims across 1 drug.

Part D claims, 202442
Drugs named by CMS1
Total drug cost$84
Part D patients17

Dr. Adams' Part D claims by kind of drug, 2024

  • Generic40 claims95%
  • Brand-name and other2 claims5%

Dr. Adams' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 112024: 11No change

Drugs named by CMS: 1 in 2024, 1 in 2018.

See all prescribing by Dr. Adams

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gregg A. Adams scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Adams for performance year 2024, reported as part of a group. Dr. Adams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Adams as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Adams' MIPS scores, performance year 2024

  • 61of 100Final score
  • 59.4of 100Quality
  • 0of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find general surgeons like Dr. Adams by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Gregg A. Adams has 7 publications on record

Dmand AI links 7 papers to Dr. Adams, published from 2011 to 2017. The most frequent topics are Monitoring, Intraoperative, Blood Loss, Surgical and Hemodynamics. Dr. Adams has published most often in Minerva Chir. Dr. Adams' most frequent co-authors are Vicki W. Ting, MD, Griffeth W. Tully, MD and Gaurav Abbi, MD.

Papers7
Years published2011 to 2017

Dr. Adams' papers by year, 2011 to 2017

Topics Dr. Adams writes about most

  • Monitoring, Intraoperative
  • Blood Loss, Surgical
  • Hemodynamics
  • Hemoglobinometry
  • Hemoglobins
  • Image Processing, Computer-Assisted
  • Surgical Sponges
  • Swine

Dr. Adams' most frequent co-authors

Recent publications by Dr. Adams

See all 7 publications and co-authors

See who Dr. Adams researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Adams works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gregg A. Adams received $33,616 in industry payments from 2018 to 2024

CMS Open Payments shows 3 general payments to Dr. Adams from 3 drug and device companies from 2018 to 2024. Acquisitions make up the largest share, 100% of the total. Stryker Corporation paid the most, $33,591.

General payments to Dr. Adams by program year, 2018 to 2024

General payments to Dr. Adams by kind, 2018 to 2024

$33.6Kin total
  • Acquisitions$33,591100%
  • Food and beverage$180%
  • Education$70%

Companies that paid Dr. Adams the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Adams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gregg A. Adams has 1 award and honors on record

Dmand AI lists 1 award for Dr. Adams.

Awards and honors for Dr. Adams

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Gregg A. Adams graduated from OHSU School of Medicine

Dr. Adams graduated from OHSU School of Medicine in 1988. Dr. Adams is a member of ACS.

  1. Medical schoolOHSU School of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Gregg A. Adams accepts plans from 10 insurance carriers

Dr. Adams is in network with 10 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Aetna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Adams accepts, by number of carriers

  1. Medicare8
  2. PPO5
  3. HMO4
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Gregg A. Adams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregg A. Adams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gregg A. Adams' NPI number?

Dr. Gregg A. Adams' NPI number is 1720175268. It was assigned on October 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregg A. Adams?

Dr. Gregg A. Adams is a general surgeon in San Jose, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Gregg A. Adams practice?

Dr. Adams practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Adams' primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Adams to 1 community health center.

What is Dr. Gregg A. Adams' office phone number?

The practice phone on file for Dr. Adams is (408) 885-5000.

What is Dr. Gregg A. Adams' medical license number?

Dr. Adams holds California license G70824, one of the licenses on file in 2 states.

Which states has Dr. Gregg A. Adams been licensed in?

Dmand AI has state licenses on file for Dr. Adams in California (1991 to 2026) and Oregon (since 1989).

Which hospitals is Dr. Gregg A. Adams affiliated with?

Dr. Adams practices at Santa Clara Valley Medical Center in San Jose, California.

What medical group is Dr. Gregg A. Adams part of?

Dr. Adams is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.

Does Dr. Gregg A. Adams accept Medicare?

Yes. CMS data shows Dr. Adams billed Medicare for 169 services in 2024, and Dr. Adams accepts Medicare assignment.

Does Dr. Gregg A. Adams offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Adams as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Gregg A. Adams' MIPS score?

Dr. Adams' MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.

How many Medicare patients does Dr. Gregg A. Adams see?

CMS counts 148 Medicare patients who saw Dr. Adams in 2024, with an average age of 75.

Is Dr. Gregg A. Adams board certified?

Yes. Dr. Adams is board certified in surgery by the American Board of Surgery.

What services does Dr. Gregg A. Adams bill to Medicare?

In 2024, Dr. Adams' most billed Medicare services were hospital inpatient care (99231), office visit, established patient (99212) and office visit, new patient (99204).

Where did Dr. Gregg A. Adams go to medical school?

Dr. Adams graduated from OHSU School of Medicine in 1988.

What drugs does Dr. Gregg A. Adams prescribe most?

In 2024 Medicare Part D data, Dr. Adams' most prescribed drugs by claims were Gabapentin.

Has Dr. Gregg A. Adams received payments from drug or device companies?

CMS Open Payments shows $33,616 in general payments to Dr. Adams from 3 companies from 2018 to 2024. The largest total came from Stryker Corporation.

How long has Dr. Gregg A. Adams been practicing?

Dr. Adams graduated from medical school in 1988, 38 years ago.

Does Dr. Gregg A. Adams do research?

Dmand AI links 7 publications to Dr. Adams, published from 2011 to 2017.

Who does Dr. Gregg A. Adams publish with?

Dr. Adams' most frequent co-authors are Vicki W. Ting, MD (3 shared papers), Griffeth W. Tully, MD (3 shared papers) and Gaurav Abbi, MD (2 shared papers).

What insurance does Dr. Gregg A. Adams accept?

Dr. Adams is in network with 10 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Aetna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Selling to surgery practices?

See general surgeons in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)