Martin K. Mwangi, MD
Sleep Medicine (Internal Medicine) Physician · Monterey, CA
Martin K. Mwangi, MD is a sleep medicine (internal medicine) physician with a practice address in Monterey, California, and NPI 1336634500, issued on Jun 28, 2018. Check the license (California A195239, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Martin K. Mwangi
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License numbers
- A195239 CA
2018022837 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2 Upper Ragsdale Dr Bldg A, Monterey, CA 93940
- Phone
- (831) 242-8301
- Enumerated
- Jun 28, 2018
- Record last updated
- Apr 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240610003513); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →
Also registered at 2 Upper Ragsdale Dr Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Antonette Ajayi, MDPulmonary Disease Physician1225456643
- Lancelot Alexander, MDNeurology Physician1841215290
- Angelfrey Armas Ruiz, MDFamily Medicine Physician1295298487
Verify Martin K. Mwangi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
76 Medicare Part D claims for 45 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl11 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: $274.54
4 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 664 providers of this specialty with any payment received $3,724.37 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.
2 hospitals and group practices
- Community Hospital OF The Monterey PeninsulaMonterey, CA · Acute Care Hospitals4 of 5 stars
- Montage Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Martin K. Mwangi among 129 sleep medicine (internal medicine) physician records in California
Martin K. Mwangi, MD is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 72% of them.
- NPI issued2018 · 72% of these records are older, 19% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2018 · median 2006 among the 106 with a school on file
- Record last updated2024 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in California
There are 129 sleep medicine (internal medicine) physician records in California.
All 129 in California → Every provider in Monterey → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Mark Garfield, MDMonterey, CA 939401669555355
- Richard Kanak, M.D.Monterey, CA 939401508817776
- Mazhar Javaid, M DSalinas, CA 939011528091964
- Mehran Farid-Moayer, M.D.Burlingame, CA 940101184690984
- Deepti Sinha, M.D., FRACPBurlingame, CA 940101124213178
- Kin Yuen, MDMountain View, CA 940401881759660
- Christine Brennan, MDRedwood City, CA 940631629657473
- Luis Gasca, MDRedwood City, CA 940631740920784
Common questions
What is Martin K. Mwangi, MD's NPI number?
Martin K. Mwangi, MD's National Provider Identifier (NPI) is 1336634500, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Martin K. Mwangi, MD located?
The NPPES record lists a practice address at 2 Upper Ragsdale Dr Bldg A, Monterey, CA, 93940. Phone: (831) 242-8301. Providers update this record themselves, so call before visiting.
How can I verify Martin K. Mwangi, MD's license?
NPPES lists California license number A195239, 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 Martin K. Mwangi, MD prescribe under Medicare Part D?
In 2024, Martin K. Mwangi, MD had 76 Medicare Part D claims for 45 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.