William Jeffrey Davis, DO
Family Medicine Physician · Stewartstown, PA
William Jeffrey Davis, DO is a family medicine physician with a practice address in Stewartstown, Pennsylvania, and NPI 1275506651, issued on Feb 8, 2006. Check the license (Pennsylvania OS005214L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Jeffrey Davis
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS005214L PA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Bailey Dr Ste 101, Stewartstown, PA 17363
- Phone
- (717) 993-2543
- Enumerated
- Feb 8, 2006
- Record last updated
- Aug 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (717) 993-2044
- Medicaid ID
- 001090970 PA
- Medicare enrollment
- Enrolled (PECOS I20110411000654); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 200 Bailey Dr Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megha MaheshwariFamily Medicine Physician1659722783
- Jordan SandovalFamily Nurse Practitioner1972433936
Verify William Jeffrey Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS005214LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,727 Medicare Part D claims for 675 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 59 claims were for opioids.
Most prescribed
- Atorvastatin Calcium520 claims
- Lisinopril416 claims
- Levothyroxine Sodium331 claims
- Amlodipine Besylate256 claims
- Rosuvastatin Calcium253 claims
- Metoprolol Succinate226 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): 91 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).
Bills Medicare through one group practice
- Pinnacle Health Regional PhysiciansStewartstown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Jeffrey Davis among 7,483 family medicine physician records in Pennsylvania
William Jeffrey Davis, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1982 · median 2005 among the 4,529 with a school on file
- Record last updated2020 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Stewartstown
They are 3 of the 36 NPPES records with a practice address in Stewartstown, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Stewartstown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Megha MaheshwariStewartstown, PA 173631659722783
- Niloofar Roodsari, D.O.Stewartstown, PA 173631447574330
- Ujunwa Eze, MDSpring Grove, PA 173621871229211
- Tammy McBride, D.O.Spring Grove, PA 173621548232192
- Tracy Prince, D.O.Spring Grove, PA 173621053335307
- Adedamola Falokun, M.D.Shrewsbury, PA 173611295994242
- Lauren Heagy, M.D.Shrewsbury, PA 173611972862258
- Nandita Kinley, M.D.Shrewsbury, PA 173611326031501
Common questions
What is William Jeffrey Davis, DO's NPI number?
William Jeffrey Davis, DO's National Provider Identifier (NPI) is 1275506651, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Jeffrey Davis, DO located?
The NPPES record lists a practice address at 200 Bailey Dr Ste 101, Stewartstown, PA, 17363. Phone: (717) 993-2543. Providers update this record themselves, so call before visiting.
How can I verify William Jeffrey Davis, DO's license?
NPPES lists Pennsylvania license number OS005214L, 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 William Jeffrey Davis, DO prescribe under Medicare Part D?
In 2024, William Jeffrey Davis, DO had 8,727 Medicare Part D claims for 675 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Jeffrey Davis, DO's MIPS final score?
The 2023 MIPS final score is 91 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.