NPPES file of Aug 9, 2026

Tammy Maclay, RN

Critical Care Medicine Registered Nurse · Chambersburg, PA

Tammy Maclay, RN is a critical care medicine registered nurse with a practice address in Chambersburg, Pennsylvania, and NPI 1811343742, issued on May 10, 2016. Check the license (Pennsylvania 266756L, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1811343742
Name
Tammy Maclay
Credential
RN
Primary taxonomy
Critical Care Medicine Registered Nurse 163WC0200X
License numbers
266756L PA
CNS000064 PA
Self-reported in NPPES; status is on the state search
Practice location
112 N 7TH St, Chambersburg, PA 17201
Phone
(717) 262-4642
Enumerated
May 10, 2016
Record last updated
May 10, 2016 (not updated in 10 years: call before relying on the address or phone)
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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8 nearest critical care medicine registered nurse records → All 164 in Pennsylvania → Look up another NPI →

Also registered at 112 N 7TH St

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

  1. Divya Abraham, MD, MPHFamily Medicine Physician1942137518
  2. Gabrielle AckerStudent in an Organized Health Care Education/Training Program1932028131
  3. David Agyako-Wiredu, MDHospitalist Physician1972698611
  4. Aamina Ahmed, MD, MPHFamily Medicine Physician1295628253
  5. Fortune Aig-Ojeanor, DOHospitalist Physician1902281272
  6. Nabiha AlamFamily Medicine Physician1487582227

Verify Tammy Maclay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license 266756L    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
Find 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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Industry payments in 2024: $49.95

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 91 providers of this specialty with any payment received $827.18 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammy Maclay$49.95
  2. Specialty average$827.18

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

Tammy Maclay among 164 critical care medicine registered nurse records in Pennsylvania

Tammy Maclay, RN is one of 164 critical care medicine registered nurse records with a practice address in Pennsylvania. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 16% of them.

  • NPI issued2016 · 16% of these records are older, 79% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 16% of these records are
  • Record last updated2016 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WC0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine Registered Nurse providers in Pennsylvania

There are 164 critical care medicine registered nurse records in Pennsylvania.

All 164 in Pennsylvania → Every provider in Chambersburg → Critical Care Medicine Registered Nurse nationwide →

The 8 critical care medicine registered nurse records with the nearest ZIP codes

  1. Holly WollardChambersburg, PA 172011629929419
  2. Brendon PolsonMifflintown, PA 170591760197743
  3. Emily Baer, RN, SRNAMarysville, PA 170531740111566
  4. Kelly Donahue, RNMechanicsburg, PA 170501396637369
  5. Madison JohnsonMechanicsburg, PA 170501326917261
  6. Molly WalkerMechanicsburg, PA 170501619821295
  7. Carolyn Ringler, RNLebanon, PA 170421972115806
  8. Erin Wilfong, R.N.Carlisle, PA 170151447516059

Common questions

What is Tammy Maclay, RN's NPI number?

Tammy Maclay, RN's National Provider Identifier (NPI) is 1811343742, issued on May 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Maclay, RN located?

The NPPES record lists a practice address at 112 N 7TH St, Chambersburg, PA, 17201. Phone: (717) 262-4642. Providers update this record themselves, so call before visiting.

How can I verify Tammy Maclay, RN's license?

NPPES lists Pennsylvania license number 266756L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.