Adam Greenberg, MD
Internal Medicine Physician · Sacramento, CA
Adam Greenberg, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1407866288, issued on Aug 8, 2006. Check the license (California G145782, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam Greenberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- G145782 CA
ME72900 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4600 Broadway Ste 1100, Sacramento, CA 95820
- Phone
- (916) 874-9670
- Enumerated
- Aug 8, 2006
- Record last updated
- Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (916) 854-9214
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4600 Broadway Ste 1100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muna AdhikariRegistered Nurse1508220559
- Brianne BubnesNurse's Aide1346438371
- Jeffrey Carver, RNRegistered Nurse1366786667
- Maria CastilloNurse's Aide1720277163
- Marina Ceja, LMFT 107361Marriage & Family Therapist1780921627
- Shama EliasNurse's Aide1275721219
Verify Adam Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G145782Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average internal medicine physician in 2024
4,715 Medicare Part D claims for 397 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium419 claims
- Amlodipine Besylate381 claims
- Hydrochlorothiazide169 claims
- Levothyroxine Sodium169 claims
- Lisinopril159 claims
- Omeprazole155 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $60.90
3 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Adam Greenberg among 17,696 internal medicine physician records in California
Adam Greenberg, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Bryan Lee, M.D.Sacramento, CA 958201386801330
- Soucheun Saechao, DOSacramento, CA 958201134379761
- Erin Sanchez, M.D.Sacramento, CA 958201861668626
- Farah ShaheenSacramento, CA 958201013319722
Common questions
What is Adam Greenberg, MD's NPI number?
Adam Greenberg, MD's National Provider Identifier (NPI) is 1407866288, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adam Greenberg, MD located?
The NPPES record lists a practice address at 4600 Broadway Ste 1100, Sacramento, CA, 95820. Phone: (916) 874-9670. Providers update this record themselves, so call before visiting.
How can I verify Adam Greenberg, MD's license?
NPPES lists California license number G145782, 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 Adam Greenberg, MD prescribe under Medicare Part D?
In 2024, Adam Greenberg, MD had 4,715 Medicare Part D claims for 397 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Adam Greenberg, MD's MIPS final score?
The 2023 MIPS final score is 79.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.