Shira Miriam Grock, MD
Endocrinology, Diabetes & Metabolism Physician · Santa Monica, CA
Shira Miriam Grock, MD is an endocrinology, diabetes & metabolism physician with a practice address in Santa Monica, California, and NPI 1871868968, issued on Mar 21, 2012. Check the license (California 136419, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shira Miriam Grock
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 136419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Santa Monica Blvd Ste 550, Santa Monica, CA 90404
- Phone
- (310) 828-1050
- Enumerated
- Mar 21, 2012
- Record last updated
- Dec 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20170823002591); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 2020 Santa Monica Blvd Ste 550
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ian Downs, MDEndocrinology, Diabetes & Metabolism Physician1790216406
- Katayoun Khoshbin, MDEndocrinology, Diabetes & Metabolism Physician1861019879
- Sarah Kim, M.D.Endocrinology, Diabetes & Metabolism Physician1790075331
- Melissa Lechner, MD, PHDEndocrinology, Diabetes & Metabolism Physician1447677521
- Rachael Oxman, MD, MPHEndocrinology, Diabetes & Metabolism Physician1407113616
- Hugo Torres, M.D.Endocrinology, Diabetes & Metabolism Physician1477990307
Verify Shira Miriam Grock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 136419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,484 Medicare Part D claims for 254 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Levothyroxine Sodium214 claims
- Metformin Hcl Er115 claims
- Alendronate Sodium103 claims
- Ozempic87 claims
- Metformin Hcl64 claims
- Synthroid58 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): 86.1 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
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shira Miriam Grock among 1,131 endocrinology, diabetes & metabolism physician records in California
Shira Miriam Grock, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2003 among the 779 with a school on file
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Santa Monica → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Evan Abel, MDSanta Monica, CA 904041619067238
- Katherine Araque Triana, M.D.Santa Monica, CA 904041144656430
- Philip Barnett, M.D.Santa Monica, CA 904041154309045
- Julie Bernthal, MDSanta Monica, CA 904041619310604
- Linda Glaser, M.D., PH.D.Santa Monica, CA 904041518900976
- Richard Guttler, MD FACESanta Monica, CA 904041275653024
- Sarah Kim, M.D.Santa Monica, CA 904041790075331
- Melissa Lechner, MD, PHDSanta Monica, CA 904041447677521
Common questions
What is Shira Miriam Grock, MD's NPI number?
Shira Miriam Grock, MD's National Provider Identifier (NPI) is 1871868968, issued on Mar 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Shira Miriam Grock, MD located?
The NPPES record lists a practice address at 2020 Santa Monica Blvd Ste 550, Santa Monica, CA, 90404. Phone: (310) 828-1050. Providers update this record themselves, so call before visiting.
How can I verify Shira Miriam Grock, MD's license?
NPPES lists California license number 136419, 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 Shira Miriam Grock, MD prescribe under Medicare Part D?
In 2024, Shira Miriam Grock, MD had 1,484 Medicare Part D claims for 254 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Shira Miriam Grock, MD's MIPS final score?
The 2023 MIPS final score is 86.1 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.