David Allen, M.D.
Internal Medicine Physician · Sonora, CA
David Allen, M.D. is an internal medicine physician with a practice address in Sonora, California, and NPI 1184687535, issued on Apr 7, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Allen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 690 Guzzi Lane, Sonora, CA 95370
- Phone
- (209) 533-0333
- Enumerated
- Apr 7, 2006
- Entity
- Type 1 · individual
Also registered at 690 Guzzi Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyi Kyi Win, MDInternal Medicine Physician1083606487
Verify David Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $24.42
1 payment, mostly food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- General Conference Corp OF SdaTamuning, GU
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
17 internal medicine physician records list a Sonora practice address
They are 17 of the 629 NPPES records with a Sonora practice address, and 20,403 internal medicine physician records in California.
All 17 in Sonora → All 20,403 in California → Every provider in Sonora →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is David Allen, M.D.'s NPI number?
David Allen, M.D.'s National Provider Identifier (NPI) is 1184687535, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Allen, M.D. located?
The NPPES record lists a practice address at 690 Guzzi Lane, Sonora, CA, 95370. Phone: (209) 533-0333. Providers update this record themselves, so call before visiting.
How can I verify David Allen, M.D.'s license?
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 David Allen, M.D. prescribe under Medicare Part D?
In 2024, David Allen, M.D. had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.