Robert M. Gromis, M.D.
Internal Medicine Physician · Los Angeles, CA
Robert M. Gromis, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1699981597, issued on May 15, 2007. Check the license (California G34007, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert M. Gromis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G34007 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10780 Santa Monica Blvd, Los Angeles, CA 90025
- Phone
- (310) 470-1333
- Enumerated
- May 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 276-8086
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 10780 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nooshin Aghili, PSY.D.Clinical Psychologist1578602686
- Sandy Attanasio, DPTPhysical Therapist1043357361
- Danielle Aufiero, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1588683254
- Megan Auster-Rosen, PSYDClinical Psychologist1609235324
- Ellen Basian, PH.D.Psychologist1356540405
- Mark BunnellSocial Worker1982476792
Verify Robert M. Gromis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34007Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
13 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Robert M. Gromis among 17,696 internal medicine physician records in California
Robert M. Gromis, M.D. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Claudine Armand, MDLos Angeles, CA 900251902909294
- Mohsen Badri, MD, DO, MPHLos Angeles, CA 900251669570495
- Aviva Bernat, M.D.Los Angeles, CA 900251407836323
- Pejman Bolourian, MDLos Angeles, CA 900251114963360
- Erie Boorman, MDLos Angeles, CA 900251336107796
- Kristine Hirschfield, MDLos Angeles, CA 900251780670091
- Mark Hyman, MDLos Angeles, CA 900251598784365
- Bruce Landres, MDLos Angeles, CA 900251700844164
Common questions
What is Robert M. Gromis, M.D.'s NPI number?
Robert M. Gromis, M.D.'s National Provider Identifier (NPI) is 1699981597, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert M. Gromis, M.D. located?
The NPPES record lists a practice address at 10780 Santa Monica Blvd, Los Angeles, CA, 90025. Phone: (310) 470-1333. Providers update this record themselves, so call before visiting.
How can I verify Robert M. Gromis, M.D.'s license?
NPPES lists California license number G34007, 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 Robert M. Gromis, M.D. prescribe under Medicare Part D?
In 2024, Robert M. Gromis, M.D. had 13 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.