Diana Adanna Otuwa, MD
Family Medicine Physician · Whittier, CA
Diana Adanna Otuwa, MD is a family medicine physician with a practice address in Whittier, California, and NPI 1407432594, issued on Mar 20, 2021. Check the license (California A187499, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Adanna Otuwa
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A187499 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12291 Washington Blvd Ste 500, Whittier, CA 90606
- Phone
- (562) 698-0811
- Enumerated
- Mar 20, 2021
- Record last updated
- Jun 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20231214001561); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 12291 Washington Blvd Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Birdsall, M.D.Family Medicine Physician1740458801
- Nelson Dalla Tor, MDFamily Medicine Physician1871634162
- Kunal DudejaStudent in an Organized Health Care Education/Training Program1427851385
- Valerie Gallegos, M.D.Family Medicine Physician1407105067
- Lien Ha, MDStudent in an Organized Health Care Education/Training Program1205776515
- Scott Kirsch, MDFamily Medicine Physician1821182403
Verify Diana Adanna Otuwa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,095 Medicare Part D claims for 372 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
- Atorvastatin Calcium98 claims
- Lisinopril68 claims
- Metformin Hcl59 claims
- Amlodipine Besylate55 claims
- Losartan Potassium41 claims
- Levothyroxine Sodium38 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
- Pih Health PhysiciansSanta Fe Springs, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Adanna Otuwa among 17,133 family medicine physician records in California
Diana Adanna Otuwa, 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · 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).
87 family medicine physician records list a practice address in Whittier
They are 87 of the 2,836 NPPES records with a practice address in Whittier, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Whittier → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Abiva, PA-CWhittier, CA 906061295858215
- Benjamin Birdsall, M.D.Whittier, CA 906061740458801
- Emanuela Bonfoco, MD, PHDWhittier, CA 906061699959973
- Alexis Cambanis, M.D., MTROPMEDWhittier, CA 906061598819419
- Nelson Dalla Tor, MDWhittier, CA 906061871634162
- Cesar Espiritu, M.D.Whittier, CA 906061144418104
- Ronald Galbreath, M.D.Whittier, CA 906061629160551
- David Gothard, M.D.Whittier, CA 906061417083999
Common questions
What is Diana Adanna Otuwa, MD's NPI number?
Diana Adanna Otuwa, MD's National Provider Identifier (NPI) is 1407432594, issued on Mar 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Diana Adanna Otuwa, MD located?
The NPPES record lists a practice address at 12291 Washington Blvd Ste 500, Whittier, CA, 90606. Phone: (562) 698-0811. Providers update this record themselves, so call before visiting.
How can I verify Diana Adanna Otuwa, MD's license?
NPPES lists California license number A187499, 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 Diana Adanna Otuwa, MD prescribe under Medicare Part D?
In 2024, Diana Adanna Otuwa, MD had 1,095 Medicare Part D claims for 372 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.