David A. Greene, MD
Geriatric Medicine (Internal Medicine) Physician · Santa Rosa, CA
David A. Greene, MD is a geriatric medicine (internal medicine) physician with a practice address in Santa Rosa, California, and NPI 1104802594, issued on Dec 19, 2005. Check the license (California C148038, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David A. Greene
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- C148038 CA
20639 KY
Self-reported in NPPES; status is on the state search - Practice location
- 5555 Montgomery Dr, Santa Rosa, CA 95409
- Phone
- (707) 579-6957
- Enumerated
- Dec 19, 2005
- Record last updated
- Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (707) 579-6979
- Medicaid ID
- 64206394 KY
- Medicare enrollment
- Enrolled (PECOS I20210128003027); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1978
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 5555 Montgomery Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David A. Greene in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C148038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,383 Medicare Part D claims for 118 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 13 claims were for opioids.
Most prescribed
- Levothyroxine Sodium117 claims
- Amlodipine Besylate75 claims
- Atorvastatin Calcium73 claims
- Myrbetriq58 claims
- Famotidine47 claims
- Lisinopril46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $118.86
1 payment: food and beverage; the largest payer was Strata Skin Sciences, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David A. Greene among 532 geriatric medicine (internal medicine) physician records in California
David A. Greene, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1978 · median 1999 among the 271 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Santa Rosa → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Charlotte Carlson, M.D.Santa Rosa, CA 954051134446875
- Stephen Chavin, M.D.Santa Rosa, CA 954051225323173
- Waseem Ahmed, MDSanta Rosa, CA 954031386803559
- Wynnelena Canio, M.D.Santa Rosa, CA 954031154443117
- Seema Rao, MD.Santa Rosa, CA 954031275714495
- Kateri Murray, M.D.Santa Rosa, CA 954011477583029
- Rachel Mayorga, MDHealdsburg, CA 954481124078365
- Garfield Pickell, M. D.Modesto, CA 953561154428621
Common questions
What is David A. Greene, MD's NPI number?
David A. Greene, MD's National Provider Identifier (NPI) is 1104802594, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David A. Greene, MD located?
The NPPES record lists a practice address at 5555 Montgomery Dr, Santa Rosa, CA, 95409. Phone: (707) 579-6957. Providers update this record themselves, so call before visiting.
How can I verify David A. Greene, MD's license?
NPPES lists California license number C148038, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David A. Greene, MD prescribe under Medicare Part D?
In 2024, David A. Greene, MD had 1,383 Medicare Part D claims for 118 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.