Wayman D. Merrill III, MD
Family Medicine Physician · Manhattan Beach, CA
Wayman D. Merrill III, MD is a family medicine physician with a practice address in Manhattan Beach, California, and NPI 1225186190, issued on Jan 8, 2007. Check the license (California G29834, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wayman D. Merrill III
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G29834 CA
Self-reported in NPPES; status is on the state search - Practice location
- 111 N Sepulveda Blvd Ste 210, Manhattan Beach, CA 90266
- Phone
- (310) 379-2134
- Enumerated
- Jan 8, 2007
- Record last updated
- Dec 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081220000137); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 111 N Sepulveda Blvd Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kenneth LalasFamily Nurse Practitioner1912458290
- Crystal Mac, PA-CPhysician Assistant1942721642
Verify Wayman D. Merrill III in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G29834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average family medicine physician in 2024
1,724 Medicare Part D claims for 144 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate145 claims
- Atorvastatin Calcium141 claims
- Ibuprofen112 claims
- Hydrochlorothiazide74 claims
- Metformin Hcl71 claims
- Lisinopril68 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.
Bills Medicare through one group practice
- H Street ClinicRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wayman D. Merrill III among 17,133 family medicine physician records in California
Wayman D. Merrill III, MD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1974 · median 2005 among the 10,652 with a school on file
- Record last updated2008 · 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).
17 family medicine physician records list a practice address in Manhattan Beach
They are 17 of the 675 NPPES records with a practice address in Manhattan Beach, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Manhattan Beach → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Girija Charugundla, M.DManhattan Beach, CA 902661639327802
- Hardeep Chohan, MDManhattan Beach, CA 902661396272647
- Keyvan Hariri, M.D.Manhattan Beach, CA 902661093754913
- Lee Kissel, MDManhattan Beach, CA 902661164473351
- Maria Lui, MDManhattan Beach, CA 902661134172885
- Jon Malachowski, MDManhattan Beach, CA 902661033200514
- Vidya Ramesh, M.D.Manhattan Beach, CA 902661053525188
- Usha Raval, M.D.Manhattan Beach, CA 902661093820425
Common questions
What is Wayman D. Merrill III, MD's NPI number?
Wayman D. Merrill III, MD's National Provider Identifier (NPI) is 1225186190, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wayman D. Merrill III, MD located?
The NPPES record lists a practice address at 111 N Sepulveda Blvd Ste 210, Manhattan Beach, CA, 90266. Phone: (310) 379-2134. Providers update this record themselves, so call before visiting.
How can I verify Wayman D. Merrill III, MD's license?
NPPES lists California license number G29834, 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 Wayman D. Merrill III, MD prescribe under Medicare Part D?
In 2024, Wayman D. Merrill III, MD had 1,724 Medicare Part D claims for 144 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.