Gregg R. Sobeck, M.D.
Specialist · Sherman Oaks, CA
Gregg R. Sobeck, M.D. is a specialist with a practice address in Sherman Oaks, California, and NPI 1417912270, issued on Apr 17, 2006. Check the license (California A068256, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregg R. Sobeck
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A068256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4955 Van Nuys Blvd, Sherman Oaks, CA 91403
- Phone
- (818) 905-2222
- Enumerated
- Apr 17, 2006
- Record last updated
- Nov 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (818) 905-8702
- Medicare enrollment
- Enrolled (PECOS I20100428000536); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 4955 Van Nuys Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregg R. Sobeck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A068256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average specialist in 2024
246 Medicare Part D claims for 96 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 74 claims were for opioids.
Most prescribed
- Celecoxib34 claims
- Gabapentin34 claims
- Cephalexin29 claims
- Tramadol Hcl26 claims
- Ibuprofen21 claims
- Ondansetron Hcl21 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): 87.7 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).
Bills Medicare through one group practice
- Domenick J Sisto M D IncSherman Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregg R. Sobeck among 5,749 specialist records in California
Gregg R. Sobeck, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1994 · median 1989 among the 1,075 with a school on file
- Record last updated2011 · 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).
21 specialist records list a practice address in Sherman Oaks
They are 21 of the 2,691 NPPES records with a practice address in Sherman Oaks, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Sherman Oaks → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Nancy Ahn, M.D.Sherman Oaks, CA 914031033414933
- Jonathan Botts, M.D.Sherman Oaks, CA 914031457506347
- Vivian CuevasSherman Oaks, CA 914031790136513
- Jane Frey, MDSherman Oaks, CA 914031922005297
- Vahe Melkonyan, MDSherman Oaks, CA 914031073664934
- Richard Nussbaum, M.D.Sherman Oaks, CA 914031972528297
- Robert Ossorio, M.D.Sherman Oaks, CA 914031194162073
- Khosrow Sadrieh, M.D.Sherman Oaks, CA 914031487735692
Common questions
What is Gregg R. Sobeck, M.D.'s NPI number?
Gregg R. Sobeck, M.D.'s National Provider Identifier (NPI) is 1417912270, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregg R. Sobeck, M.D. located?
The NPPES record lists a practice address at 4955 Van Nuys Blvd, Sherman Oaks, CA, 91403. Phone: (818) 905-2222. Providers update this record themselves, so call before visiting.
How can I verify Gregg R. Sobeck, M.D.'s license?
NPPES lists California license number A068256, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregg R. Sobeck, M.D. prescribe under Medicare Part D?
In 2024, Gregg R. Sobeck, M.D. had 246 Medicare Part D claims for 96 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Gregg R. Sobeck, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.7 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.