Terrell B. Van Aken, M.D.
Family Medicine Physician · Vacaville, CA
Terrell B. Van Aken, M.D. is a family medicine physician with a practice address in Vacaville, California, and NPI 1306941430, issued on Sep 13, 2006. Check the license (California G57837, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Terrell B. Van Aken
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G57837 CA
Self-reported in NPPES; status is on the state search - Practice location
- 167 Bounty LN, Vacaville, CA 95687
- Phone
- (707) 646-3577
- Enumerated
- Sep 13, 2006
- Record last updated
- Jan 31, 2024
- Fax
- (707) 646-3575
- Medicare enrollment
- Enrolled (PECOS I20100428000471); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Terrell B. Van Aken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family medicine physician in 2024
1,426 Medicare Part D claims for 62 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Gabapentin68 claims
- Amlodipine Besylate50 claims
- Furosemide48 claims
- Atorvastatin Calcium46 claims
- Metformin Hcl45 claims
- Lantus41 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.
Terrell B. Van Aken among 17,133 family medicine physician records in California
Terrell B. Van Aken, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% 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 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).
56 family medicine physician records list a practice address in Vacaville
They are 56 of the 1,903 NPPES records with a practice address in Vacaville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Vacaville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marsha Alexander, M.D.Vacaville, CA 956871275692055
- Lesley Carmichael, DOVacaville, CA 956871184848863
- Kam Chan, D.O.Vacaville, CA 956871730304502
- Ana Cherry, M.D.Vacaville, CA 956871679656573
- Joshua Connor, M.D.Vacaville, CA 956871326402736
- Nnenna Ikegbu, M.D.Vacaville, CA 956871801077680
- Shanaz Khambatta, D.O.Vacaville, CA 956871760587570
- Brian Leo, M.D.Vacaville, CA 956871891970745
Common questions
What is Terrell B. Van Aken, M.D.'s NPI number?
Terrell B. Van Aken, M.D.'s National Provider Identifier (NPI) is 1306941430, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terrell B. Van Aken, M.D. located?
The NPPES record lists a practice address at 167 Bounty LN, Vacaville, CA, 95687. Phone: (707) 646-3577. Providers update this record themselves, so call before visiting.
How can I verify Terrell B. Van Aken, M.D.'s license?
NPPES lists California license number G57837, 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 Terrell B. Van Aken, M.D. prescribe under Medicare Part D?
In 2024, Terrell B. Van Aken, M.D. had 1,426 Medicare Part D claims for 62 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.