NPPES file of Aug 9, 2026

Mary Katharine Halloran, MD

Family Medicine Physician · Elizabethtown, NY

Mary Katharine Halloran, MD is a family medicine physician with a practice address in Elizabethtown, New York, and NPI 1396989059, issued on Apr 26, 2009. Check the license (New York 60265442, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1396989059
Name
Mary Katharine Halloran
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
60265442 NY
Self-reported in NPPES; status is on the state search
Practice location
66 Park Street, Elizabethtown, NY 12932
Phone
(518) 873-6377
Enumerated
Apr 26, 2009
Record last updated
Nov 13, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20121108000109); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2009
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 66 Park Street

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

  1. Kevin Bouchard-Hall, PHYSICAL THERAPYPhysical Therapist1710291356
  2. Mary Buehler-Brandt, RPAMedical Physician Assistant1316090657
  3. Jae Lyn Burke, PA-CMedical Physician Assistant1194808998
  4. Vanessa Desmarais, MDFamily Medicine Physician1801235288
  5. Kristen Resto, PHYSICAL THERAPYPhysical Therapist1851605505
  6. Michael Richards, D.P.TPhysical Therapist1114208105

Verify Mary Katharine Halloran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 60265442
    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 New York 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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3.0 times the Medicare Part D claims of the average family medicine physician in 2024

10,513 Medicare Part D claims for 776 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 520 claims were for opioids.

  1. Mary Halloran10,513
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium463 claims
  2. Losartan Potassium445 claims
  3. Amlodipine Besylate387 claims
  4. Levothyroxine Sodium313 claims
  5. Omeprazole285 claims
  6. Lisinopril283 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: $75.10

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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 Halloran$75.10
  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.

One hospital affiliation

  1. Elizabethtown Community HospitalWillsboro, NY · Critical Access Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Mary Katharine Halloran among 6,417 family medicine physician records in New York

Mary Katharine Halloran, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2009 · median 2007 among the 4,188 with a school on file
  • Record last updated2014 · 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 New York 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 Elizabethtown

They are 3 of the 115 NPPES records with a practice address in Elizabethtown, and 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. Harry Davis, MDElizabethtown, NY 129321972597516
  2. Vanessa Desmarais, MDElizabethtown, NY 129321801235288
  3. Vonda Johnson, M.D.Dannemora, NY 129291376908640
  4. Peter Sayers, MDCrown Point, NY 129281265521801
  5. Debra Clark, M.D.Keeseville, NY 129441962473397
  6. Nicole Cerklewich, DOChamplain, NY 129191871889105
  7. Candice Ciolac, MDChamplain, NY 129191073776795
  8. Aaron Esterson, MDChamplain, NY 129191023469319

Common questions

What is Mary Katharine Halloran, MD's NPI number?

Mary Katharine Halloran, MD's National Provider Identifier (NPI) is 1396989059, issued on Apr 26, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katharine Halloran, MD located?

The NPPES record lists a practice address at 66 Park Street, Elizabethtown, NY, 12932. Phone: (518) 873-6377. Providers update this record themselves, so call before visiting.

How can I verify Mary Katharine Halloran, MD's license?

NPPES lists New York license number 60265442, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Katharine Halloran, MD prescribe under Medicare Part D?

In 2024, Mary Katharine Halloran, MD had 10,513 Medicare Part D claims for 776 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.