Michael Walker
Family Medicine Physician · Willow Street, PA
Michael Walker is a family medicine physician with a practice address in Willow Street, Pennsylvania, and NPI 1770901415, issued on Mar 31, 2014. Check the license (Pennsylvania MD462293, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael Walker
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD462293 PA
Self-reported in NPPES; status is on the state search - Practice location
- 222 Willow Valley Lakes Dr Ste 1900, Willow Street, PA 17584
- Phone
- (717) 517-5350
- Enumerated
- Mar 31, 2014
- Record last updated
- Jul 21, 2022
- Fax
- (717) 517-5351
- Medicare enrollment
- Enrolled (PECOS I20171010002007); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2014
- 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 222 Willow Valley Lakes Dr Ste 1900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marina Gonzalez, MDFamily Medicine Physician1487148565
- Jennifer Irons, CRNPAdult Health Nurse Practitioner1669495735
- Eli Wayman, MDFamily Medicine Physician1578120044
Verify Michael Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD462293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average family medicine physician in 2024
8,363 Medicare Part D claims for 657 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 364 claims were for opioids.
Most prescribed
- Atorvastatin Calcium526 claims
- Lisinopril315 claims
- Losartan Potassium306 claims
- Amlodipine Besylate302 claims
- Levothyroxine Sodium258 claims
- Omeprazole238 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: $18.29
1 payment: food and beverage; the largest payer was Celgene Corporation. 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
- Lancaster General Medical GroupLititz, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Walker among 7,483 family medicine physician records in Pennsylvania
Michael Walker 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 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2014 · median 2005 among the 4,529 with a school on file
- Record last updated2022 · 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).
17 family medicine physician records list a practice address in Willow Street
They are 17 of the 144 NPPES records with a practice address in Willow Street, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Willow Street → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Aichele, DOWillow Street, PA 175841366485583
- Oluwaseun Akangbe, M.DWillow Street, PA 175841891146452
- Leanne Beidler, M.D.Willow Street, PA 175841275528655
- Daniel Diehl, MDWillow Street, PA 175841396707188
- Melanie Falgout, M.D.Willow Street, PA 175841649442476
- Richard Frey, DOWillow Street, PA 175841689617789
- Marina Gonzalez, MDWillow Street, PA 175841487148565
- Ann King, M.D.Willow Street, PA 175841871572560
Common questions
What is Michael Walker's NPI number?
Michael Walker's National Provider Identifier (NPI) is 1770901415, issued on Mar 31, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Michael Walker located?
The NPPES record lists a practice address at 222 Willow Valley Lakes Dr Ste 1900, Willow Street, PA, 17584. Phone: (717) 517-5350. Providers update this record themselves, so call before visiting.
How can I verify Michael Walker's license?
NPPES lists Pennsylvania license number MD462293, 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 Michael Walker prescribe under Medicare Part D?
In 2024, Michael Walker had 8,363 Medicare Part D claims for 657 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.