Martha Showalter, M.D.
Diagnostic Radiology Physician · Port Matilda, PA
Martha Showalter, M.D. is a diagnostic radiology physician with a practice address in Port Matilda, Pennsylvania, and NPI 1720289994, issued on May 29, 2007. Check the license (Pennsylvania MD445034, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Martha Showalter
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- MD445034 PA
MT190064 PA
Self-reported in NPPES; status is on the state search - Practice location
- 132 Abigail LN, Port Matilda, PA 16870
- Phone
- (800) 332-8901
- Enumerated
- May 29, 2007
- Record last updated
- Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120618000273); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2007
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 2,199 in Pennsylvania → Look up another NPI →
Also registered at 132 Abigail LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Amankonah, MDGastroenterology Physician1780762534
- Lynn Anderson, RDN, LDNRegistered Dietitian1588320386
- Mark Armstrong, M.D.Surgery Physician1013981711
- Samantha Backer, MSN, CRNP, FNP-CNurse Practitioner1992077184
- Ashlyn BarcheckPhysician Assistant1518755826
Verify Martha Showalter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD445034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Geisinger ClinicDanville, PA
- Geisinger-HM Joint Venture LLCWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Showalter among 2,199 diagnostic radiology physician records in Pennsylvania
Martha Showalter, M.D. is one of 2,199 diagnostic radiology physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 37% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2007 · median 2003 among the 1,439 with a school on file
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 diagnostic radiology physician records list a practice address in Port Matilda
They are 4 of the 163 NPPES records with a practice address in Port Matilda, and 2,199 diagnostic radiology physician records in Pennsylvania.
All 2,199 in Pennsylvania → Every provider in Port Matilda → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Justin Bigger, M.D.Port Matilda, PA 168701528225133
- Grant Ciavarella, D.O.Port Matilda, PA 168701285097907
- Usha Kanakamedala, MDPort Matilda, PA 168701801840236
- Leonard Dale, MDWellsboro, PA 169011811993744
- Richard Bolden, M.D.Clearfield, PA 168301467492397
- Alfred Coren, M.D.Clearfield, PA 168301407857410
- Gregory Mieckowski, M.D.Clearfield, PA 168301528018751
- David Obley, M.D.Clearfield, PA 168301174524185
Common questions
What is Martha Showalter, M.D.'s NPI number?
Martha Showalter, M.D.'s National Provider Identifier (NPI) is 1720289994, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Martha Showalter, M.D. located?
The NPPES record lists a practice address at 132 Abigail LN, Port Matilda, PA, 16870. Phone: (800) 332-8901. Providers update this record themselves, so call before visiting.
How can I verify Martha Showalter, M.D.'s license?
NPPES lists Pennsylvania license number MD445034, 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.
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.