Spencer Tavares, D.O
Internal Medicine Physician · Danville, PA
Spencer Tavares, D.O is an internal medicine physician with a practice address in Danville, Pennsylvania, and NPI 1740544733, issued on Jun 25, 2012. Check the license (Pennsylvania OS019799, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Spencer Tavares
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS019799 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6164
- Enumerated
- Jun 25, 2012
- Record last updated
- Aug 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 271-6141
- Medicare enrollment
- Enrolled (PECOS I20190523002065); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 100 N Academy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Spencer Tavares in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS019799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,948 Medicare Part D claims for 287 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium303 claims
- Lisinopril137 claims
- Amlodipine Besylate109 claims
- Metoprolol Succinate104 claims
- Levothyroxine Sodium88 claims
- Omeprazole84 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 2 group practices
- Geisinger ClinicMilton, PA
- Geisinger-HM Joint Venture LLCMontoursville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Tavares among 7,300 internal medicine physician records in Pennsylvania
Spencer Tavares, D.O is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2012 · median 2008 among the 4,208 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 internal medicine physician records list a practice address in Danville
They are 110 of the 3,116 NPPES records with a practice address in Danville, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Danville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Balz, M.D.Danville, PA 178221427022318
- Gregory Benkovic, M.D.Danville, PA 178221114991866
- Greg Burke, M.D.Danville, PA 178221659346575
- Joseph Colancecco, M.D.Danville, PA 178221083680581
- Kenneth Cover, M.D.Danville, PA 178221639103211
- Mary Harris, M.D.Danville, PA 178221083677991
- Robert Hergan, M.D.Danville, PA 178221720057169
- Kerrie Hoffman, OTR/L, MDDanville, PA 178221093933541
Common questions
What is Spencer Tavares, D.O's NPI number?
Spencer Tavares, D.O's National Provider Identifier (NPI) is 1740544733, issued on Jun 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Tavares, D.O located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6164. Providers update this record themselves, so call before visiting.
How can I verify Spencer Tavares, D.O's license?
NPPES lists Pennsylvania license number OS019799, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Spencer Tavares, D.O prescribe under Medicare Part D?
In 2024, Spencer Tavares, D.O had 2,948 Medicare Part D claims for 287 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.