Dr. John David Andrew, MD
- Medicare services, 2024
- 374
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 3,520
- Hospital affiliations
- 2
- Industry payments
- $455
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Andrew'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. John David Andrew is an adult medicine physician in Greenbrae, California
Dr. Andrew practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Dr. Andrew's NPI, 1841220209, was assigned on July 3, 2006. Dr. Andrew graduated from Dalhousie University Faculty of Medicine in 1974. Dr. Andrew's California license number on file is A29437.
- NPI
- 1841220209NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547385015
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John David Andrew practices at MarinHealth Medical Center in Greenbrae, California
Dr. Andrew's primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Dr. John David Andrew is affiliated with 3 sites of care and 1 medical group
Dr. Andrew's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dr. Andrew is also affiliated with Novato Community Hospital. The medical group on file is Prima Medical Group. Dmand AI also links Dr. Andrew to 1 more home health agency, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John David Andrew's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Andrew practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John David Andrew is one of 299 adult medicine physicians in California
Adult medicine is Dr. Andrew's primary specialty in the NPI Registry, under taxonomy code 207QA0505X. Dr. Andrew has a license on file in California.
Specialties and state licenses
- Adult medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute skin infection, aneurysm, anxiety, arthritis, atrial fibrillation and flutter, benign or precancerous skin growths and bipolar disorder among the conditions Dr. Andrew treats.
Adult medicine physicians near Dr. Andrew
Counts of adult medicine physicians 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. John David Andrew billed Medicare for 374 services in 2024
CMS data shows 374 Medicare services from Dr. Andrew across 5 procedure codes in 2024, for 170 Medicare patients. Medicare paid $38,134 for them. Every service was in an office.
Dr. Andrew's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3292024: 3067%
- Other services
- 2023: 502024: 4510%
- Tests and treatments
- 2023: 232024: 23No change
Dr. Andrew compared with the California median for adult medicine physicians, 2024
- Dr. Andrew
- California median
- Medicare services
- 374vs 19988% above
- Medicare patients
- 170vs 10956% above
- Part D claims
- 3,085vs 9633.2 times
Medians across 284 adult medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Andrew'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. Andrew and other adult medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John David Andrew treated 170 Medicare patients in 2024, average age 77
CMS counts 170 Medicare patients who saw Dr. Andrew in 2024. The largest group is 75 to 84, with 84 patients. 73% of them have high blood pressure, and 60% have high cholesterol. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Andrew's median patient age at 65, with 40% women.
Dr. Andrew's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Andrew's Medicare patients by sex, 2024
- Women7142%
- Men9958%
Chronic conditions among Dr. Andrew's Medicare patients, 2024
- High blood pressure73%
- High cholesterol60%
- Arthritis44%
- Ischemic heart disease25%
- Anxiety21%
- Diabetes19%
- Cancer18%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Andrew's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women40%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John David Andrew wrote 3,520 Medicare Part D claims in 2024
In 2024, Dr. Andrew wrote 3,520 Medicare Part D claims for 329 patients. 91% of them were for generic drugs. CMS names the drug for 3,085 of them, across 72 drugs with 11 or more claims each, at $183,223 in total drug cost. In 2023, CMS named 3,090 claims across 69 drugs.
Dr. Andrew's Part D claims by kind of drug, 2024
- Generic3,200 claims91%
- Brand-name and other320 claims9%
Dr. Andrew'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. Andrew's Part D claims, 2024
- Opioids2%55 of 3,520 claims
- Antibiotics2%62 of 3,520 claims
- Antipsychotics, patients 65 and over0%14 of 3,520 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: 3,0902024: 3,085No change
Drugs named by CMS: 72 in 2024, 69 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
How Dr. John David Andrew takes part in Medicare
Dr. Andrew accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John David Andrew received $455 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Andrew from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Novo Nordisk Inc paid the most, $146.
General payments to Dr. Andrew by program year, 2016 to 2025
General payments to Dr. Andrew by kind, 2016 to 2025
- Food and beverage$43596%
- Speaker and faculty fees$204%
Companies that paid Dr. Andrew 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. John David Andrew graduated from Dalhousie University Faculty of Medicine
Dr. Andrew graduated from Dalhousie University Faculty of Medicine in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John David Andrew accepts plans from 17 insurance carriers
Dr. Andrew is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +9 more carriersWith a free account
Plan types Dr. Andrew accepts, by number of carriers
- PPO10
- Medicare8
- HMO7
- POS7
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. John David Andrew'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) |
| 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. John David Andrew
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. John David Andrew's NPI number?
Dr. John David Andrew's NPI number is 1841220209. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John David Andrew?
Dr. John David Andrew is an adult medicine physician in Greenbrae, California. The primary specialty in the NPI Registry is Adult Medicine Physician (taxonomy code 207QA0505X).
Where does Dr. John David Andrew practice?
Dr. Andrew practices at 250 Bon Air Road, Greenbrae, CA 94904. Dr. Andrew's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Dr. Andrew to 1 home health agency.
What is Dr. John David Andrew's office phone number?
The practice phone on file for Dr. Andrew is (415) 925-7900.
What is Dr. John David Andrew's medical license number?
Dr. Andrew's California license number on file is A29437.
Which hospitals is Dr. John David Andrew affiliated with?
Dr. Andrew practices at MarinHealth Medical Center in Greenbrae, California. Dr. Andrew is also affiliated with Novato Community Hospital.
What medical group is Dr. John David Andrew part of?
Dr. Andrew is linked to Prima Medical Group.
Does Dr. John David Andrew accept Medicare?
Yes. CMS data shows Dr. Andrew billed Medicare for 374 services in 2024, and Dr. Andrew accepts Medicare assignment.
How many Medicare patients does Dr. John David Andrew see?
CMS counts 170 Medicare patients who saw Dr. Andrew in 2024, with an average age of 77.
What services does Dr. John David Andrew bill to Medicare?
In 2024, Dr. Andrew's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Show 5 more questionsShow fewer questions
Where did Dr. John David Andrew go to medical school?
Dr. Andrew graduated from Dalhousie University Faculty of Medicine in 1974.
What drugs does Dr. John David Andrew prescribe most?
In 2024 Medicare Part D data, Dr. Andrew's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. John David Andrew received payments from drug or device companies?
CMS Open Payments shows $455 in general payments to Dr. Andrew from 7 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. John David Andrew been practicing?
Dr. Andrew graduated from medical school in 1974, 52 years ago.
What insurance does Dr. John David Andrew accept?
Dr. Andrew is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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