Dr. Gabriel R. Pettersen, MD
- Medicare services, 2024
- 115
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 4,087
- Industry payments
- $3,422
- Affiliated sites
- 1
- Practice address
- 1113 State Rte 49, San Andreas, CA 95249
- Practice phone
- Call (209) 755-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
M a C T Health Board Incorporated
San Andreas, California
Find Dr. Pettersen's 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. Gabriel R. Pettersen is an internist in San Andreas, California
Dr. Pettersen practices at M a C T Health Board Incorporated in San Andreas, California.
Dr. Pettersen's NPI, 1740251727, was assigned on January 30, 2006. Dr. Pettersen graduated from St. George's University School of Medicine in 2001. Dr. Pettersen holds California license A89460.
- NPI
- 1740251727NPI Registry (opens in a new tab)
- NPI enumeration date
- January 30, 2006
- NPI status
- Active
- Practice phone
- (209) 755-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gabriel R. Pettersen practices at M a C T Health Board Incorporated in San Andreas, California
Dr. Pettersen's primary practice is M a C T Health Board Incorporated, at 1113 State Rte 49, San Andreas, CA 95249 in Calaveras County. The practice phone is (209) 755-1400.
- M a C T Health Board Incorporated1113 State Rte 49, San Andreas, CA 95249 · Calaveras CountyPhone(209) 755-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gabriel R. Pettersen is affiliated with 2 sites of care and 1 medical group
Dr. Pettersen's primary practice is M a C T Health Board Incorporated in San Andreas, California. Dmand AI also links Dr. Pettersen to 1 community health center and 1 medical group, 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. Gabriel R. Pettersen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pettersen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| M a C T Health Board Incorporated | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gabriel R. Pettersen is one of 16,751 internists in California
Internal medicine is Dr. Pettersen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pettersen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Pettersen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, arthritis, bronchitis, carpal tunnel syndrome, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Pettersen treats.
Internists near Dr. Pettersen
Counts of internists 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. Gabriel R. Pettersen billed Medicare for 115 services in 2024
CMS data shows 115 Medicare services from Dr. Pettersen across 4 procedure codes in 2024, for 126 Medicare patients. Medicare paid $13,573 for them.
Dr. Pettersen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 642024: 5416%
- Lab and pathology
- 2023: 682024: 4337%
- Other services
- 2023: 272024: 1833%
Where Dr. Pettersen's Medicare services took place, 2024
- In an office4337%
- In a facility7263%
Dr. Pettersen compared with the California median for internists, 2024
- Dr. Pettersen
- California median
- Medicare services
- 115vs 36168% below
- Medicare patients
- 126vs 15117% below
- Part D claims
- 3,507vs 4218.3 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Pettersen'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.
Need commercial claims for Dr. Pettersen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pettersen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gabriel R. Pettersen treated 126 Medicare patients in 2024, average age 71
CMS counts 126 Medicare patients who saw Dr. Pettersen in 2024. The largest group is 65 to 74, with 75 patients. 68% of them have high cholesterol, and 62% have high blood pressure. 23% are also on Medicaid. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Pettersen's median patient age at 68, with 45% women.
Dr. Pettersen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pettersen's Medicare patients by sex, 2024
- Women6652%
- Men6048%
Chronic conditions among Dr. Pettersen's Medicare patients, 2024
- High cholesterol68%
- High blood pressure62%
- Arthritis37%
- Diabetes33%
- Ischemic heart disease16%
- Atrial fibrillation13%
- Mood disorders13%
- Osteoporosis12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pettersen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gabriel R. Pettersen wrote 4,087 Medicare Part D claims in 2024
In 2024, Dr. Pettersen wrote 4,087 Medicare Part D claims for 311 patients. 82% of them were for generic drugs. CMS names the drug for 3,507 of them, across 88 drugs with 11 or more claims each, at $368,937 in total drug cost. In 2023, CMS named 3,451 claims across 83 drugs.
Dr. Pettersen's Part D claims by kind of drug, 2024
- Generic3,343 claims82%
- Brand-name689 claims17%
- Other55 claims1%
Dr. Pettersen'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. Pettersen's Part D claims, 2024
- Antibiotics2%67 of 4,087 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: 3,4512024: 3,5072%
Drugs named by CMS: 88 in 2024, 83 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
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Dr. Gabriel R. Pettersen received $3,422 in industry payments from 2016 to 2025
CMS Open Payments shows 176 general payments to Dr. Pettersen from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $357.
General payments to Dr. Pettersen by program year, 2016 to 2025
Companies that paid Dr. Pettersen 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. Gabriel R. Pettersen graduated from St. George's University School of Medicine
Dr. Pettersen graduated from St. George's University School of Medicine in 2001.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gabriel R. Pettersen accepts plans from 15 insurance carriers
Dr. Pettersen is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- United Healthcare
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Humana
- +7 more carriersWith a free account
Plan types Dr. Pettersen accepts, by number of carriers
- PPO12
- Medicare8
- HMO7
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gabriel R. Pettersen'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) |
| 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. Gabriel R. Pettersen
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. Gabriel R. Pettersen's NPI number?
Dr. Gabriel R. Pettersen's NPI number is 1740251727. It was assigned on January 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gabriel R. Pettersen?
Dr. Gabriel R. Pettersen is an internist in San Andreas, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gabriel R. Pettersen practice?
Dr. Pettersen practices at 1113 State Rte 49, San Andreas, CA 95249. Dr. Pettersen's primary practice is M a C T Health Board Incorporated in San Andreas, California. Dmand AI also links Dr. Pettersen to 1 community health center and 1 medical group.
What is Dr. Gabriel R. Pettersen's office phone number?
The practice phone on file for Dr. Pettersen is (209) 755-1400.
What is Dr. Gabriel R. Pettersen's medical license number?
Dr. Pettersen holds California license A89460.
Does Dr. Gabriel R. Pettersen accept Medicare?
Yes. CMS data shows Dr. Pettersen billed Medicare for 115 services in 2024.
How many Medicare patients does Dr. Gabriel R. Pettersen see?
CMS counts 126 Medicare patients who saw Dr. Pettersen in 2024, with an average age of 71.
Is Dr. Gabriel R. Pettersen board certified?
Yes. Dr. Pettersen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Gabriel R. Pettersen bill to Medicare?
In 2024, Dr. Pettersen's most billed Medicare services were surgery: digestive system (45385), lab and pathology test (82962) and medicare service (G0121).
Where did Dr. Gabriel R. Pettersen go to medical school?
Dr. Pettersen graduated from St. George's University School of Medicine in 2001.
Show 4 more questionsShow fewer questions
What drugs does Dr. Gabriel R. Pettersen prescribe most?
In 2024 Medicare Part D data, Dr. Pettersen's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Levothyroxine Sodium.
Has Dr. Gabriel R. Pettersen received payments from drug or device companies?
CMS Open Payments shows $3,422 in general payments to Dr. Pettersen from 29 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Gabriel R. Pettersen been practicing?
Dr. Pettersen graduated from medical school in 2001, 25 years ago.
What insurance does Dr. Gabriel R. Pettersen accept?
Dr. Pettersen is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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