Carla Takahashi Stillwell, MD
Family Medicine Physician · National City, CA
Carla Takahashi Stillwell, MD is a family medicine physician with a practice address in National City, California, and NPI 1447540083, issued on Apr 16, 2011. Check the license (California A114687, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carla Takahashi Stillwell
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A114687 CA
Self-reported in NPPES; status is on the state search - Practice location
- 22 W 35TH St Ste 101, National City, CA 91950
- Phone
- (619) 427-3361
- Enumerated
- Apr 16, 2011
- Record last updated
- May 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20110919000583); accepts Medicare assignment
- Medical or professional school
- College Of Medicine And Surgery, 1992
- Entity
- Type 1 · individual
Also registered at 22 W 35TH St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lizbeth AcevedoPhysician Assistant1053281709
- Adam Afflalo, PA-CPhysician Assistant1962912568
- Ruth Aguilar-Wong, PA-CPhysician Assistant1699298190
- Georgia Aljawadi, D.O.Family Medicine Physician1013116714
- Ernest Mejia, P.A.Medical Physician Assistant1407211881
Verify Carla Takahashi Stillwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,882 Medicare Part D claims for 251 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. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium226 claims
- Amlodipine Besylate192 claims
- Losartan Potassium140 claims
- Metformin Hcl139 claims
- Levothyroxine Sodium127 claims
- Lisinopril127 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: $1,059.58
41 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Clara Lucy Polak MD IncNational City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
32 family medicine physician records list a practice address in National City
They are 32 of the 749 NPPES records with a practice address in National City, and 17,133 family medicine physician records in California.
All 32 in National City → All 17,133 in California → Every provider in National City →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Carla Takahashi Stillwell, MD's NPI number?
Carla Takahashi Stillwell, MD's National Provider Identifier (NPI) is 1447540083, issued on Apr 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Carla Takahashi Stillwell, MD located?
The NPPES record lists a practice address at 22 W 35TH St Ste 101, National City, CA, 91950. Phone: (619) 427-3361. Providers update this record themselves, so call before visiting.
How can I verify Carla Takahashi Stillwell, MD's license?
NPPES lists California license number A114687, 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 Carla Takahashi Stillwell, MD prescribe under Medicare Part D?
In 2024, Carla Takahashi Stillwell, MD had 2,882 Medicare Part D claims for 251 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.