Dr. Andrew Gregory Ross, MD
- Medicare services, 2024
- 3,159
- Medicare patients, 2024
- 765
- Part D claims, 2024
- 2,879
- MIPS score, 2024
- 75
- Hospital affiliations
- 6
- Practice address
- 136 N 3rd St, Lompoc, CA 93436
- Practice phone
- Call (805) 736-1253
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lompoc Valley Medical Center
Lompoc, California
Find Dr. Ross' 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.
Dr. Andrew Gregory Ross is a nephrologist in Lompoc, California
Dr. Ross practices at Lompoc Valley Medical Center in Lompoc, California.
Dr. Ross' NPI, 1932543998, was assigned on April 22, 2013. Dr. Ross graduated from Ross University School of Medicine in 2013. Dr. Ross holds California license A139763.
- NPI
- 1932543998NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698067098
- NPI enumeration date
- April 22, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 736-1253
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Gregory Ross practices at Lompoc Valley Medical Center in Lompoc, California
Dr. Ross' primary practice is Lompoc Valley Medical Center, at 136 N 3rd St, Lompoc, CA 93436 in Santa Barbara County. The practice phone is (805) 736-1253.
- Lompoc Valley Medical Center136 N 3rd St, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 736-1253
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew Gregory Ross is affiliated with 11 sites of care and 3 medical groups
Dr. Ross' primary practice is Lompoc Valley Medical Center in Lompoc, California. Dr. Ross is also affiliated with Lompoc Valley Medical Center. The medical group on file is Lompoc Valley Medical Center. Dmand AI also links Dr. Ross to 5 more hospitals, 2 dialysis centers, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew Gregory Ross' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ross practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lompoc Valley Medical Center | Available with a free account |
| +10 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Andrew Gregory Ross is one of 1,401 nephrologists in California
Nephrology is Dr. Ross' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ross is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ross' licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- New Jersey license
Clinical focus
Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances, hypercalcemia and parathyroid gland disorder among the conditions Dr. Ross treats.
Nephrologists near Dr. Ross
Counts of nephrologists 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. Andrew Gregory Ross billed Medicare for 3,159 services in 2024
CMS data shows 3,159 Medicare services from Dr. Ross across 13 procedure codes in 2024, for 765 Medicare patients. Medicare paid $398,017 for them.
Dr. Ross' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8362024: 2,14317%
- Tests and treatments
- 2023: 8092024: 7892%
- Other services
- 2023: 02024: 227
Where Dr. Ross' Medicare services took place, 2024
- In an office1,97262%
- In a facility1,18738%
Dr. Ross compared with the California median for nephrologists, 2024
- Dr. Ross
- California median
- Medicare services
- 3,159vs 1,0842.9 times
- Medicare patients
- 765vs 3072.5 times
- Part D claims
- 2,588vs 9552.7 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Ross' 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.
Need commercial claims for Dr. Ross?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ross and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Gregory Ross treated 765 Medicare patients in 2024, average age 76
CMS counts 765 Medicare patients who saw Dr. Ross in 2024. The largest group is 75 to 84, with 310 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 28% are also on Medicaid. Their average risk score is 2.96, 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. Ross' median patient age at 71, with 49% women.
Dr. Ross' Medicare patients by age, 2024
Dr. Ross' Medicare patients by sex, 2024
- Women34645%
- Men41955%
Chronic conditions among Dr. Ross' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes50%
- Arthritis49%
- Heart failure39%
- Ischemic heart disease38%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ross' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Gregory Ross wrote 2,879 Medicare Part D claims in 2024
In 2024, Dr. Ross wrote 2,879 Medicare Part D claims for 387 patients. 68% of them were for generic drugs. CMS names the drug for 2,588 of them, across 44 drugs with 11 or more claims each, at $1,026,905 in total drug cost. In 2023, CMS named 2,112 claims across 39 drugs.
Dr. Ross' Part D claims by kind of drug, 2024
- Generic1,967 claims68%
- Brand-name and other912 claims32%
Dr. Ross' 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. Ross' Part D claims, 2024
- Antibiotics1%19 of 2,879 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: 2,1122024: 2,58823%
Drugs named by CMS: 44 in 2024, 39 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), 2024 data
Dr. Andrew Gregory Ross scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Ross for performance year 2024, reported as part of a group. Dr. Ross accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ross as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Andrew Gregory Ross received $11,201 in industry payments from 2016 to 2025
CMS Open Payments shows 355 general payments to Dr. Ross from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,422.
General payments to Dr. Ross by program year, 2016 to 2025
General payments to Dr. Ross by kind, 2016 to 2025
- Food and beverage$10,83797%
- Education$2212%
- Debt forgiveness$1361%
- Consulting fees$60%
Companies that paid Dr. Ross the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Gregory Ross graduated from Ross University School of Medicine
Dr. Ross graduated from Ross University School of Medicine in 2013. Dr. Ross is a member of ACP, AMA and ASN.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Andrew Gregory Ross accepts plans from 16 insurance carriers
Dr. Ross is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Ross accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew Gregory Ross'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Andrew Gregory Ross
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. Andrew Gregory Ross' NPI number?
Dr. Andrew Gregory Ross' NPI number is 1932543998. It was assigned on April 22, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Gregory Ross?
Dr. Andrew Gregory Ross is a nephrologist in Lompoc, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Andrew Gregory Ross practice?
Dr. Ross practices at 136 N 3rd St, Lompoc, CA 93436. Dr. Ross' primary practice is Lompoc Valley Medical Center in Lompoc, California. Dmand AI also links Dr. Ross to 5 hospitals, 2 dialysis centers, 2 group practices and clinics and 2 medical groups.
What is Dr. Andrew Gregory Ross' office phone number?
The practice phone on file for Dr. Ross is (805) 736-1253.
What is Dr. Andrew Gregory Ross' medical license number?
Dr. Ross holds California license A139763, one of the licenses on file in 2 states.
Which states has Dr. Andrew Gregory Ross been licensed in?
Dmand AI has state licenses on file for Dr. Ross in California (2015 to 2027) and New Jersey (2014 to 2018).
Which hospitals is Dr. Andrew Gregory Ross affiliated with?
Dr. Ross is affiliated with Lompoc Valley Medical Center. Dmand AI links Dr. Ross to 5 more hospitals.
What medical group is Dr. Andrew Gregory Ross part of?
Dr. Ross is linked to Lompoc Valley Medical Center. Dmand AI links Dr. Ross to 2 more medical groups.
Does Dr. Andrew Gregory Ross accept Medicare?
Yes. CMS data shows Dr. Ross billed Medicare for 3,159 services in 2024, and Dr. Ross accepts Medicare assignment.
Does Dr. Andrew Gregory Ross offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ross as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Andrew Gregory Ross' MIPS score?
Dr. Ross' MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Andrew Gregory Ross see?
CMS counts 765 Medicare patients who saw Dr. Ross in 2024, with an average age of 76.
Is Dr. Andrew Gregory Ross board certified?
Yes. Dr. Ross is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Andrew Gregory Ross bill to Medicare?
In 2024, Dr. Ross' most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Andrew Gregory Ross go to medical school?
Dr. Ross graduated from Ross University School of Medicine in 2013.
What drugs does Dr. Andrew Gregory Ross prescribe most?
In 2024 Medicare Part D data, Dr. Ross' most prescribed drugs by claims were Valsartan, Kerendia and Farxiga.
Has Dr. Andrew Gregory Ross received payments from drug or device companies?
CMS Open Payments shows $11,201 in general payments to Dr. Ross from 30 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Andrew Gregory Ross been practicing?
Dr. Ross graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Andrew Gregory Ross accept?
Dr. Ross is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to nephrology practices?
See nephrologists 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