Sheryl Lynn Clare Diaz, DO, MS
Family Medicine Physician · Lynwood, CA
Sheryl Lynn Clare Diaz, DO, MS is a family medicine physician with a practice address in Lynwood, California, and NPI 1255953311, issued on May 12, 2020. Check the license (California 20A22220, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sheryl Lynn Clare Diaz
- Credential
- DO, MS
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A22220 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3737 Martin Luther King JR Blvd Ste 402, Lynwood, CA 90262
- Phone
- (310) 639-9363
- Enumerated
- May 12, 2020
- Record last updated
- May 17, 2024
- Fax
- (310) 639-9251
- Medicare enrollment
- Enrolled (PECOS I20240201004024); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3737 Martin Luther King JR Blvd Ste 402
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mose Kang, FNPFamily Nurse Practitioner1386122448
Verify Sheryl Lynn Clare Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
158 Medicare Part D claims for 28 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium13 claims
- Losartan Potassium12 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.
Industry payments in 2024: $565.15
26 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- The Roads Foundation, IncCompton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sheryl Lynn Clare Diaz among 17,133 family medicine physician records in California
Sheryl Lynn Clare Diaz, DO, MS is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Lynwood → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Myrna Alvarez, CPSP COORDINATORLynwood, CA 902621275421794
- Yohannes Assefa, DOLynwood, CA 902621033635107
- Constant Chan, M.D.Lynwood, CA 902621730195645
- Basil Felahy, MDLynwood, CA 902621245389238
- Eduardo Gonzalez, M.D.Lynwood, CA 902621992731798
- Anna RomeroLynwood, CA 902621548151632
- Harding Young, MDLynwood, CA 902621881788669
- Eric Enriquez, M.D.Lawndale, CA 902601225038573
Common questions
What is Sheryl Lynn Clare Diaz, DO, MS's NPI number?
Sheryl Lynn Clare Diaz, DO, MS's National Provider Identifier (NPI) is 1255953311, issued on May 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sheryl Lynn Clare Diaz, DO, MS located?
The NPPES record lists a practice address at 3737 Martin Luther King JR Blvd Ste 402, Lynwood, CA, 90262. Phone: (310) 639-9363. Providers update this record themselves, so call before visiting.
How can I verify Sheryl Lynn Clare Diaz, DO, MS's license?
NPPES lists California license number 20A22220, 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 Sheryl Lynn Clare Diaz, DO, MS prescribe under Medicare Part D?
In 2024, Sheryl Lynn Clare Diaz, DO, MS had 158 Medicare Part D claims for 28 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.