Greg J. Nelson, M.D.
Specialist · Van Nuys, CA
Greg J. Nelson, M.D. is a specialist with a practice address in Van Nuys, California, and NPI 1558496950, issued on Feb 23, 2007. Check the license (California G67260, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Greg J. Nelson
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G67260 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15243 Vanowen St, Van Nuys, CA 91405
- Phone
- (818) 785-8707
- Enumerated
- Feb 23, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 785-1152
- Medicare enrollment
- Enrolled (PECOS I20040903001160); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 15243 Vanowen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Greg J. Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G67260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average specialist in 2024
846 Medicare Part D claims for 260 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Ketoconazole216 claims
- Mometasone Furoate80 claims
- Clobetasol Propionate58 claims
- Clindamycin Phosphate56 claims
- Fluocinonide52 claims
- Mupirocin39 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 MIPS final score for 2023 (Medicare payment program): 84.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $244.99
7 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Greg J. Nelson among 5,749 specialist records in California
Greg J. Nelson, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1988 · median 1989 among the 1,075 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Van Nuys → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Lazaro Alonso, M.D.Van Nuys, CA 914051427073576
- Bruce Brownstein, PTVan Nuys, CA 914051164578258
- Habib Girgis, M.D.Van Nuys, CA 914051699718353
- Jayson Hymes, MDVan Nuys, CA 914051225032048
- Kamran Malek, M.D.Van Nuys, CA 914051215040324
- Lawrence Menzer, M.D.Van Nuys, CA 914051144253311
- Helen Nam, M.D.Van Nuys, CA 914051437287018
- Olivia Silbar, RNVan Nuys, CA 914051730355561
Common questions
What is Greg J. Nelson, M.D.'s NPI number?
Greg J. Nelson, M.D.'s National Provider Identifier (NPI) is 1558496950, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Greg J. Nelson, M.D. located?
The NPPES record lists a practice address at 15243 Vanowen St, Van Nuys, CA, 91405. Phone: (818) 785-8707. Providers update this record themselves, so call before visiting.
How can I verify Greg J. Nelson, M.D.'s license?
NPPES lists California license number G67260, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Greg J. Nelson, M.D. prescribe under Medicare Part D?
In 2024, Greg J. Nelson, M.D. had 846 Medicare Part D claims for 260 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Greg J. Nelson, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.4 of 100. 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.