NPPES file of Aug 9, 2026

William Max Ndegwa Rennebohm, MD

Family Medicine Physician · Sherman Oaks, CA

William Max Ndegwa Rennebohm, MD is a family medicine physician with a practice address in Sherman Oaks, California, and NPI 1104396241, issued on Dec 2, 2018. Check the license (California A189007, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104396241
Name
William Max Ndegwa Rennebohm
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
A189007 CA
MD61317317 WA
Self-reported in NPPES; status is on the state search
Practice location
15477 Ventura Blvd Ste 300, Sherman Oaks, CA 91403
Phone
(188) 907-0322
Enumerated
Dec 2, 2018
Record last updated
Feb 8, 2024
Fax
(188) 907-0360
Medicare enrollment
Enrolled (PECOS I20230731003132); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15477 Ventura Blvd Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Courtney Fischer, M.DPediatrics Physician1083091045

Verify William Max Ndegwa Rennebohm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A189007
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average family medicine physician in 2024

184 Medicare Part D claims for 50 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. William Ndegwa Rennebohm184
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium43 claims
  2. Lisinopril13 claims
  3. Amlodipine Besylate12 claims
  4. Losartan Potassium11 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

  1. Multicare Health SystemFederal Way, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Max Ndegwa Rennebohm among 17,133 family medicine physician records in California

William Max Ndegwa Rennebohm, 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 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 15% 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).

28 family medicine physician records list a practice address in Sherman Oaks

They are 28 of the 2,691 NPPES records with a practice address in Sherman Oaks, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Bolatito Abe, M.D.Sherman Oaks, CA 914031427286582
  2. Martin Bennett, M.D.Sherman Oaks, CA 914031164598140
  3. Donna Cashdan, DOSherman Oaks, CA 914031417957135
  4. Shaghig Chorbajian, MDSherman Oaks, CA 914031164685111
  5. Jabeen Fatima, M.DSherman Oaks, CA 914031043392186
  6. Leland HilburgSherman Oaks, CA 914031083632723
  7. Zainab Mahmoud, MDSherman Oaks, CA 914031457547697
  8. Parham Naghdechi, MD.Sherman Oaks, CA 914031376701185

Common questions

What is William Max Ndegwa Rennebohm, MD's NPI number?

William Max Ndegwa Rennebohm, MD's National Provider Identifier (NPI) is 1104396241, issued on Dec 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is William Max Ndegwa Rennebohm, MD located?

The NPPES record lists a practice address at 15477 Ventura Blvd Ste 300, Sherman Oaks, CA, 91403. Phone: (188) 907-0322. Providers update this record themselves, so call before visiting.

How can I verify William Max Ndegwa Rennebohm, MD's license?

NPPES lists California license number A189007, 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 William Max Ndegwa Rennebohm, MD prescribe under Medicare Part D?

In 2024, William Max Ndegwa Rennebohm, MD had 184 Medicare Part D claims for 50 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.