NPPES file of Aug 9, 2026

Andrew R. Walker, MD

Internal Medicine Physician · Camp Hill, PA

Andrew R. Walker, MD is an internal medicine physician with a practice address in Camp Hill, Pennsylvania, and NPI 1639198559, issued on Jul 19, 2006. Check the license (Pennsylvania MD056746L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639198559
Name
Andrew R. Walker
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD056746L PA
Self-reported in NPPES; status is on the state search
Practice location
431 N 21St St, Camp Hill, PA 17011
Phone
(717) 763-3730
Enumerated
Jul 19, 2006
Record last updated
Aug 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(717) 763-3734
Medicaid ID
001844611 PA
Medicare enrollment
Enrolled (PECOS I20050214000363); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 431 N 21St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kimberly ArtleyFamily Nurse Practitioner1699104331
  2. Salina Bari, DOFamily Medicine Physician1497037329
  3. Liam CedenoBasic Emergency Medical Technician1790613065
  4. Johnson Coyle, M.D.Emergency Medicine Physician1467480608
  5. Joshua Enevoldson, PA-CPhysician Assistant1669734455
  6. Chad Gross, RNRegistered Nurse1255284493

Verify Andrew R. Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD056746L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

463 Medicare Part D claims for 313 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Andrew Walker463
  2. Specialty average3,176

Most prescribed

  1. Azithromycin151 claims
  2. Atovaquone-Proguanil Hcl82 claims
  3. Amoxicillin-Clavulanate Potass32 claims
  4. Doxycycline Hyclate19 claims
  5. Methylprednisolone19 claims
  6. Ibuprofen15 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 one group practice

  1. Penn State Health Medical Group LLCCarlisle, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Andrew R. Walker among 7,300 internal medicine physician records in Pennsylvania

Andrew R. Walker, MD 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1990 · 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).

39 internal medicine physician records list a practice address in Camp Hill

They are 39 of the 2,184 NPPES records with a practice address in Camp Hill, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Reza Azizkhan, DOCamp Hill, PA 170111548258296
  2. Eric Binder, M.D.Camp Hill, PA 170111437149341
  3. Virginia Calega, MDCamp Hill, PA 170111811975618
  4. Kenneth Conner, MDCamp Hill, PA 170111801856893
  5. Greg Ehgartner, D.O.Camp Hill, PA 170111346230158
  6. Roger Gustavson, M.D.Camp Hill, PA 170111497745210
  7. Shubhra Kumar-Bradley, M.D.Camp Hill, PA 170111962483818
  8. Robert Kusztos, MDCamp Hill, PA 170111134188568

Common questions

What is Andrew R. Walker, MD's NPI number?

Andrew R. Walker, MD's National Provider Identifier (NPI) is 1639198559, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew R. Walker, MD located?

The NPPES record lists a practice address at 431 N 21St St, Camp Hill, PA, 17011. Phone: (717) 763-3730. Providers update this record themselves, so call before visiting.

How can I verify Andrew R. Walker, MD's license?

NPPES lists Pennsylvania license number MD056746L, 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 Andrew R. Walker, MD prescribe under Medicare Part D?

In 2024, Andrew R. Walker, MD had 463 Medicare Part D claims for 313 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.