NPPES file of Aug 9, 2026

Mary G. Tierney, M.D.

Family Medicine Physician · Willow Street, PA

Mary G. Tierney, M.D. is a family medicine physician with a practice address in Willow Street, Pennsylvania, and NPI 1073889499, issued on Mar 29, 2012. Check the license (Pennsylvania MD456991, 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
1073889499
Name
Mary G. Tierney
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD456991 PA
PAK000223 PA
D94419 MD
0101258266 VA
Self-reported in NPPES; status is on the state search
Practice location
2819 Willow Street Pike, Willow Street, PA 17584
Phone
(717) 723-9104
Enumerated
Mar 29, 2012
Record last updated
Jan 5, 2023
Fax
(717) 349-9388
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2819 Willow Street Pike

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

  1. Karilyn BelaMental Health Counselor1861031429
  2. Corinne Blackmun, LMSWSocial Worker1215691662
  3. Victoria Vanburen, M.S.Mental Health Counselor1275069494

Verify Mary G. Tierney 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 MD456991
    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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97% fewer Medicare Part D claims than the average family medicine physician in 2024

101 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Mary Tierney101
  2. Specialty average3,544

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: $23.80

1 payment: food and beverage; the largest payer was Abbott Laboratories. 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.

  1. Mary Tierney$23.80
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mary G. Tierney among 7,483 family medicine physician records in Pennsylvania

Mary G. Tierney, M.D. 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 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2023 · 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Robert Aichele, DOWillow Street, PA 175841366485583
  2. Oluwaseun Akangbe, M.DWillow Street, PA 175841891146452
  3. Leanne Beidler, M.D.Willow Street, PA 175841275528655
  4. Daniel Diehl, MDWillow Street, PA 175841396707188
  5. Melanie Falgout, M.D.Willow Street, PA 175841649442476
  6. Richard Frey, DOWillow Street, PA 175841689617789
  7. Marina Gonzalez, MDWillow Street, PA 175841487148565
  8. Ann King, M.D.Willow Street, PA 175841871572560

Common questions

What is Mary G. Tierney, M.D.'s NPI number?

Mary G. Tierney, M.D.'s National Provider Identifier (NPI) is 1073889499, issued on Mar 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mary G. Tierney, M.D. located?

The NPPES record lists a practice address at 2819 Willow Street Pike, Willow Street, PA, 17584. Phone: (717) 723-9104. Providers update this record themselves, so call before visiting.

How can I verify Mary G. Tierney, M.D.'s license?

NPPES lists Pennsylvania license number MD456991, 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 Mary G. Tierney, M.D. prescribe under Medicare Part D?

In 2024, Mary G. Tierney, M.D. had 101 Medicare Part D claims; 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.