Dr. Robert G. Perez, MD
- Medicare services, 2024
- 40
- Medicare patients, 2026
- 76
- Part D claims, 2026
- 56
- Hospital affiliations
- 2
- Industry payments
- $1,677
- Practice address
- 1900 Sullivan Avenue, Daly City, CA 94015
- Practice phone
- Call (650) 992-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Perez's professional email, personal email and mobile number
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Dr. Robert G. Perez is a general surgeon in Daly City, California
Dr. Perez practices at AHMC Seton Medical Center in Daly City, California, part of AHMC Healthcare.
Dr. Perez's NPI, 1699866061, was assigned on September 28, 2006. Dr. Perez graduated from The Warren Alpert Medical School of Brown University in 1981. Dr. Perez holds California license G58842.
- NPI
- 1699866061NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042283814
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 992-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert G. Perez practices at AHMC Seton Medical Center in Daly City, California
Dr. Perez's primary practice is AHMC Seton Medical Center, at 1900 Sullivan Avenue, Daly City, CA 94015 in San Mateo County. The practice phone is (650) 992-4000.
- AHMC Seton Medical Center1900 Sullivan Avenue, Daly City, CA 94015 · San Mateo CountyPhone(650) 992-4000
Source: Dmand AI Affiliation Data
Dr. Robert G. Perez is affiliated with 2 sites of care
Dr. Perez's primary practice is AHMC Seton Medical Center in Daly City, California, part of AHMC Healthcare. Dr. Perez is also affiliated with Dignity Health - Sequoia Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert G. Perez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AHMC Seton Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert G. Perez is one of 2,926 general surgeons in California
Surgery is Dr. Perez's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Perez is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Perez's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists abdominal adhesion surgery, colon removal, gallbladder removal, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Perez treats.
General surgeons near Dr. Perez
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. Robert G. Perez billed Medicare for 40 services in 2024
CMS data shows 40 Medicare services from Dr. Perez across 2 procedure codes in 2024, all of them office visits, for 76 Medicare patients. Medicare paid $3,419 for them. Every service was in an office.
Dr. Perez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1182024: 4066%
Dr. Perez compared with the California median for general surgeons, 2024
- Dr. Perez
- California median
- Medicare services
- 40vs 16676% below
- Medicare patients
- 76vs 12137% below
- Part D claims
- 19vs 3444% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Perez's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Perez and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert G. Perez treated 76 Medicare patients in 2026, average age 76
CMS counts 76 Medicare patients who saw Dr. Perez in 2026. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.53, 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. Perez's median patient age at 63, with 44% women.
Dr. Perez's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Perez's Medicare patients by sex, 2026
- Women3242%
- Men4458%
Chronic conditions among Dr. Perez's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis38%
- Diabetes36%
- Ischemic heart disease33%
- Chronic kidney disease32%
- Heart failure25%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women44%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Robert G. Perez wrote 56 Medicare Part D claims in 2026
In 2026, Dr. Perez wrote 56 Medicare Part D claims for 47 patients. 98% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $50 in total drug cost. In 2023, CMS named 30 claims across 1 drug.
Dr. Perez's Part D claims by kind of drug, 2026
- Generic55 claims98%
- Brand-name and other1 claims2%
Dr. Perez's 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.
Drug classes CMS tracks in Dr. Perez's Part D claims, 2026
- Opioids34%19 of 56 claims
- Antibiotics45%25 of 56 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 302024: 1937%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
Dr. Robert G. Perez ranks in the 98th percentile for hernia repair - groin (open) in Medicare
Dr. Perez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of hernia repair - groin (open) by Dr. Perez, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Perez ranks in Medicare procedure volume
- Hernia repair - groin (open)
- 98th percentile29 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert G. Perez received $1,677 in industry payments from 2017 to 2025
CMS Open Payments shows 60 general payments to Dr. Perez from 14 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 89% of the total. Intuitive Surgical, Inc. paid the most, $374.
General payments to Dr. Perez by program year, 2017 to 2025
General payments to Dr. Perez by kind, 2017 to 2025
- Food and beverage$1,49789%
- Travel and lodging$17911%
Companies that paid Dr. Perez the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert G. Perez has 1 award and honors on record
Dmand AI lists 1 award for Dr. Perez.
Awards and honors for Dr. Perez
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Robert G. Perez graduated from The Warren Alpert Medical School of Brown University
Dr. Perez graduated from The Warren Alpert Medical School of Brown University in 1981. Dr. Perez is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Robert G. Perez accepts plans from 10 insurance carriers
Dr. Perez is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Perez accepts, by number of carriers
- Medicare7
- PPO6
- POS3
- EPO2
- HMO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert G. Perez's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert G. Perez
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. Robert G. Perez's NPI number?
Dr. Robert G. Perez's NPI number is 1699866061. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert G. Perez?
Dr. Robert G. Perez is a general surgeon in Daly City, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Robert G. Perez practice?
Dr. Perez practices at 1900 Sullivan Avenue, Daly City, CA 94015. Dr. Perez's primary practice is AHMC Seton Medical Center in Daly City, California, part of AHMC Healthcare.
What is Dr. Robert G. Perez's office phone number?
The practice phone on file for Dr. Perez is (650) 992-4000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Robert G. Perez's email address?
Dmand AI checks professional and personal email addresses for Dr. Perez through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Robert G. Perez's medical license number?
Dr. Perez holds California license G58842, one of the licenses on file in 2 states.
Which states has Dr. Robert G. Perez been licensed in?
Dmand AI has state licenses on file for Dr. Perez in California (1986 to 2026) and New York (since 1982).
Which hospitals is Dr. Robert G. Perez affiliated with?
Dr. Perez practices at AHMC Seton Medical Center in Daly City, California. Dr. Perez is also affiliated with Dignity Health - Sequoia Hospital.
Does Dr. Robert G. Perez accept Medicare?
Yes. CMS data shows Dr. Perez billed Medicare for 40 services in 2024, and Dr. Perez accepts Medicare assignment.
How many Medicare patients does Dr. Robert G. Perez see?
CMS counts 76 Medicare patients who saw Dr. Perez in 2026, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Robert G. Perez board certified?
Yes. Dr. Perez is board certified in surgery by the American Board of Surgery.
What services does Dr. Robert G. Perez bill to Medicare?
In 2024, Dr. Perez's most billed Medicare services were office visit, new patient (99203) and office visit, new patient (99202).
Where did Dr. Robert G. Perez go to medical school?
Dr. Perez graduated from The Warren Alpert Medical School of Brown University in 1981.
What drugs does Dr. Robert G. Perez prescribe most?
In 2024 Medicare Part D data, Dr. Perez's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Robert G. Perez received payments from drug or device companies?
CMS Open Payments shows $1,677 in general payments to Dr. Perez from 14 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Robert G. Perez been practicing?
Dr. Perez graduated from medical school in 1981, 45 years ago.
What EHR does Dr. Robert G. Perez's practice use?
Dmand AI tracks the EHR system at AHMC Seton Medical Center and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Robert G. Perez accept?
Dr. Perez is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.
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