Suzanne Valerie McDiarmid, M.D.
Pediatric Gastroenterology Physician · Los Angeles, CA
Suzanne Valerie McDiarmid, M.D. is a pediatric gastroenterology physician with a practice address in Los Angeles, California, and NPI 1255445508, issued on Aug 17, 2006. Check the license (California A39160, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Suzanne Valerie McDiarmid
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- A39160 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Ucla Medical Plz Ste 265, Los Angeles, CA 90095
- Phone
- (310) 825-0867
- Enumerated
- Aug 17, 2006
- Record last updated
- Jan 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 794-5066
- Medicaid IDs
- 00A391600 CA
GR0053510 CA - Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 264 in California → Look up another NPI →
Also registered at 200 Ucla Medical Plz Ste 265
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Suzanne Valerie McDiarmid in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A39160Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average pediatric gastroenterology physician in 2024
19 Medicare Part D claims, against an average of 42 among the 289 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 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).
Industry payments in 2024: $42.73
1 payment: food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 1,184 providers of this specialty with any payment received $2,585.05 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.
Suzanne Valerie McDiarmid among 264 pediatric gastroenterology physician records in California
Suzanne Valerie McDiarmid, M.D. is one of 264 pediatric gastroenterology physician records with a practice address in California. 62% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 63% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 30% of these records are
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in California
There are 264 pediatric gastroenterology physician records in California.
All 264 in California → Every provider in Los Angeles → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Marvin Ament, M.D.Los Angeles, CA 900951962447896
- Janice Bitong, M.D.Los Angeles, CA 900951184062044
- Alvin ChanLos Angeles, CA 900951699129247
- Marjorie-Anne Manchandia, M.D.Los Angeles, CA 900951598023509
- Martin Martin, M.D.Los Angeles, CA 900951053424325
- Saumya Pathak, M.D.Los Angeles, CA 900951730576646
- Kimberly Silva, M.D.Los Angeles, CA 900951871891606
- Elaheh Vahabnezhad, M.D.Los Angeles, CA 900951184816068
Common questions
What is Suzanne Valerie McDiarmid, M.D.'s NPI number?
Suzanne Valerie McDiarmid, M.D.'s National Provider Identifier (NPI) is 1255445508, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Suzanne Valerie McDiarmid, M.D. located?
The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 265, Los Angeles, CA, 90095. Phone: (310) 825-0867. Providers update this record themselves, so call before visiting.
How can I verify Suzanne Valerie McDiarmid, M.D.'s license?
NPPES lists California license number A39160, 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 Suzanne Valerie McDiarmid, M.D. prescribe under Medicare Part D?
In 2024, Suzanne Valerie McDiarmid, M.D. had 19 Medicare Part D claims; the average among pediatric gastroenterology physician prescribers was 42. Part D covers Medicare prescriptions only.
What is Suzanne Valerie McDiarmid, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.5 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.