NPPES file of Aug 9, 2026

Erin Rebecca Carnish

Hospitalist Physician · Wynnewood, PA

Erin Rebecca Carnish is a hospitalist physician with a practice address in Wynnewood, Pennsylvania, and NPI 1154611325, issued on Apr 8, 2011. Check the license (Pennsylvania MD450789, 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
1154611325
Name
Erin Rebecca Carnish
Primary taxonomy
Hospitalist Physician 208M00000X
License number
MD450789 PA
Self-reported in NPPES; status is on the state search
Practice location
100 E Lancaster Ave, Wynnewood, PA 19096
Phone
(484) 476-6421
Enumerated
Apr 8, 2011
Record last updated
Apr 28, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(484) 476-3149
Medicare enrollment
Enrolled (PECOS I20140711000334); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2011
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 100 E Lancaster Ave

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

  1. Nicholas Abate, DOStudent in an Organized Health Care Education/Training Program1508568676
  2. John Abramson, M.D.Gastroenterology Physician1710953633
  3. Sandra Abramson, MDCardiovascular Disease Physician1275538282
  4. Olivia Ackley, MDInternal Medicine Physician1174453930
  5. Ashley Adams, CRNPWomen's Health Nurse Practitioner1497225635
  6. Bonnie Adelman, M.S.P.A.Audiologist1568718088

Verify Erin Rebecca Carnish 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 MD450789
    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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83% fewer Medicare Part D claims than the average hospitalist physician in 2024

91 Medicare Part D claims for 48 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Erin Carnish91
  2. Specialty average521

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. Main Line HealthcareWynewood, PA

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

Erin Rebecca Carnish among 1,424 hospitalist physician records in Pennsylvania

Erin Rebecca Carnish is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 37% of them.

  • NPI issued2011 · 37% of these records are older, 58% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2011 · median 2011 among the 1,236 with a school on file
  • Record last updated2017 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 hospitalist physician records list a practice address in Wynnewood

They are 26 of the 1,246 NPPES records with a practice address in Wynnewood, and 1,424 hospitalist physician records in Pennsylvania.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Arka Banerjee, MDWynnewood, PA 190961619183381
  2. Lia Desposito, D.O,Wynnewood, PA 190961164742029
  3. Joshua DonohueWynnewood, PA 190961902163850
  4. Jonathan Doroshow, MDWynnewood, PA 190961659594018
  5. Samantha Flynn, D.O.Wynnewood, PA 190961477871739
  6. Eric Kasprowicz, M.D.Wynnewood, PA 190961215347737
  7. Amanulla KhajiWynnewood, PA 190961083940985
  8. Julie Kravets, D.O.Wynnewood, PA 190961710110028

Common questions

What is Erin Rebecca Carnish's NPI number?

Erin Rebecca Carnish's National Provider Identifier (NPI) is 1154611325, issued on Apr 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Erin Rebecca Carnish located?

The NPPES record lists a practice address at 100 E Lancaster Ave, Wynnewood, PA, 19096. Phone: (484) 476-6421. Providers update this record themselves, so call before visiting.

How can I verify Erin Rebecca Carnish's license?

NPPES lists Pennsylvania license number MD450789, 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 Erin Rebecca Carnish prescribe under Medicare Part D?

In 2024, Erin Rebecca Carnish had 91 Medicare Part D claims for 48 beneficiaries; the average among hospitalist physician prescribers was 521. 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.