Barry Stephen Block, M.D.
Obstetrics & Gynecology Physician · Loma Linda, CA
Barry Stephen Block, M.D. is an obstetrics & gynecology physician with a practice address in Loma Linda, California, and NPI 1134141328, issued on Jul 24, 2006. Check the license (California G38712, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barry Stephen Block
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G38712 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11370 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-4771
- Enumerated
- Jul 24, 2006
- Record last updated
- Aug 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (909) 568-2423
- Medicaid ID
- 00G387120 CA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 11370 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Borhaan Ahmad, M.D.Pediatrics Physician1740203595
Verify Barry Stephen Block in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G38712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
14 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 85.2 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).
Barry Stephen Block among 5,088 obstetrics & gynecology physician records in California
Barry Stephen Block, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2009 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 obstetrics & gynecology physician records list a practice address in Loma Linda
They are 59 of the 4,863 NPPES records with a practice address in Loma Linda, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Loma Linda → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kevin Balli, M.D.Loma Linda, CA 923541083636260
- Karen Gaio Hansberger, MDLoma Linda, CA 923541710083159
- Yvonne Gollin, M.D.Loma Linda, CA 923541790899300
- Jeffrey Hardesty, M.D.Loma Linda, CA 923541447364062
- Elaine Hart, M.D.Loma Linda, CA 923541396767588
- John Jacobson, M.D.Loma Linda, CA 923541467474650
- Kathleen Lau, M.D.Loma Linda, CA 923541164536702
- Laurel Munson, MDLoma Linda, CA 923541982700324
Common questions
What is Barry Stephen Block, M.D.'s NPI number?
Barry Stephen Block, M.D.'s National Provider Identifier (NPI) is 1134141328, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry Stephen Block, M.D. located?
The NPPES record lists a practice address at 11370 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4771. Providers update this record themselves, so call before visiting.
How can I verify Barry Stephen Block, M.D.'s license?
NPPES lists California license number G38712, 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 Barry Stephen Block, M.D. prescribe under Medicare Part D?
In 2024, Barry Stephen Block, M.D. had 14 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Barry Stephen Block, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 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.