Mitchell Watanabe, MD
Family Medicine Physician · Santa Ana, CA
Mitchell Watanabe, MD is a family medicine physician with a practice address in Santa Ana, California, and NPI 1528049996, issued on Nov 10, 2005. Check the license (California A44130, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mitchell Watanabe
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A44130 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1212 W 17TH St, Santa Ana, CA 92706
- Phone
- (714) 641-7100
- Enumerated
- Nov 10, 2005
- Record last updated
- Jun 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (714) 434-4500
- Medicaid ID
- 00A441300 CA
- Medicare enrollment
- Enrolled (PECOS I20100511000242); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1212 W 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Chang, MDFamily Medicine Physician1134823958
- Hidenori Ikuhara, M.D.Internal Medicine Physician1598889750
- Dean Jacobs, M.D.Pediatrics Physician1497802318
- Verlicia Lee, PA-CPhysician Assistant1497212252
- Giselle Mata, FNPNurse Practitioner1255659892
- Robert Olvera, MDFamily Medicine Physician1356322523
Verify Mitchell Watanabe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A44130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,178 Medicare Part D claims for 419 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 110 claims were for opioids.
Most prescribed
- Atorvastatin Calcium347 claims
- Benazepril Hcl266 claims
- Losartan Potassium263 claims
- Rosuvastatin Calcium251 claims
- Levothyroxine Sodium205 claims
- Montelukast Sodium194 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29.06
2 payments; by number, the most common kind was food and beverage; the largest payer was Mdd US Operations, LLC. 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
- Memorialcare Medical FoundationAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mitchell Watanabe among 17,133 family medicine physician records in California
Mitchell Watanabe, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1984 · median 2005 among the 10,652 with a school on file
- Record last updated2011 · 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).
177 family medicine physician records list a practice address in Santa Ana
They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Antonio Carbayo, MDSanta Ana, CA 927061033149356
- Regina Chinsiokwong, D.O.Santa Ana, CA 927061265597488
- Long Duong, M.D.Santa Ana, CA 927061538257241
- Judith Friedland, M.D.Santa Ana, CA 927061043388978
- Cam-Van Huynh, MDSanta Ana, CA 927061366524290
- Julie Johnson, M.D.Santa Ana, CA 927061780697342
- Yin-Ming Liu, M.D.Santa Ana, CA 927061346327541
- Manuel Medina, PACSanta Ana, CA 927061952498867
Common questions
What is Mitchell Watanabe, MD's NPI number?
Mitchell Watanabe, MD's National Provider Identifier (NPI) is 1528049996, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mitchell Watanabe, MD located?
The NPPES record lists a practice address at 1212 W 17TH St, Santa Ana, CA, 92706. Phone: (714) 641-7100. Providers update this record themselves, so call before visiting.
How can I verify Mitchell Watanabe, MD's license?
NPPES lists California license number A44130, 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 Mitchell Watanabe, MD prescribe under Medicare Part D?
In 2024, Mitchell Watanabe, MD had 7,178 Medicare Part D claims for 419 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mitchell Watanabe, MD's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.