NPPES file of Aug 9, 2026

Carl Deirmengian, MD

Orthopaedic Surgery Physician · Limerick, PA

Carl Deirmengian, MD is an orthopaedic surgery physician with a practice address in Limerick, Pennsylvania, and NPI 1205815503, issued on Jan 13, 2006. Check the license (Pennsylvania MD423351, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205815503
Name
Carl Deirmengian
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
MD423351 PA
ME152660 FL
036113998 IL
25MA08206200 NJ
308567 NY
Self-reported in NPPES; status is on the state search
Practice location
400 Enterprise Dr FL 2, Limerick, PA 19468
Phone
(267) 339-3558
Enumerated
Jan 13, 2006
Record last updated
Feb 15, 2022
Fax
(672) 339-3763
Medicare enrollment
Enrolled (PECOS I20121113000558); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2000
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 400 Enterprise Dr FL 2

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

  1. Derek Grabert, PA-CMedical Physician Assistant1417314766
  2. Thomas KitzingerPhysician Assistant1073092268
  3. Donald Mazur, M.D.Orthopaedic Surgery Physician1477564276
  4. H Schaaf, MDOrthopaedic Surgery Physician1609872837
  5. Bradley Smith, M.D.Sports Medicine (Family Medicine) Physician1902928047

Verify Carl Deirmengian 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 MD423351
    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

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46% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

187 Medicare Part D claims for 136 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Carl Deirmengian187
  2. Specialty average346

Most prescribed

  1. Amoxicillin97 claims
  2. Meloxicam38 claims
  3. Doxycycline Hyclate17 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 92.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.6
  2. Costout of 100 · 30%87.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $109,934.66

18 payments; by number, the most common kind was consulting fee; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carl Deirmengian$109,935
  2. Specialty average$23,023

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

Bills Medicare through 2 group practices

  1. Phoenix Rehabilitation And Health Services IncCranberry Township, PA
  2. Reconstructive Orthopaedic Associates II LLCLimerick, PA

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

3 orthopaedic surgery physician records list a practice address in Limerick

They are 3 of the 148 NPPES records with a practice address in Limerick, and 1,253 orthopaedic surgery physician records in Pennsylvania.

Other orthopaedic surgery physician records in Pennsylvania

  1. Joseph Abboud, M.D.Philadelphia, PA1588608731
  2. Andrew Abramowitz, M.D.Bryn Mawr, PA1063430098
  3. Timothy Ackerman, D.O.Harrisburg, PA1609879535
  4. Kevin Adik, MDScranton, PA1053982314
  5. Carl Adolph, MDLancaster, PA1568422665
  6. Kenan Aksu, D.O.Exton, PA1568441673
  7. Christopher Aland, MDNewtown, PA1073510038
  8. Amanda AlejoBethlehem, PA1487583696
  9. Joseph Alhadeff, M.D.York, PA1972580157
  10. Thomas Allardyce, MDPlains, PA1114914447

Common questions

What is Carl Deirmengian, MD's NPI number?

Carl Deirmengian, MD's National Provider Identifier (NPI) is 1205815503, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carl Deirmengian, MD located?

The NPPES record lists a practice address at 400 Enterprise Dr FL 2, Limerick, PA, 19468. Phone: (267) 339-3558. Providers update this record themselves, so call before visiting.

How can I verify Carl Deirmengian, MD's license?

NPPES lists Pennsylvania license number MD423351, 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 Carl Deirmengian, MD prescribe under Medicare Part D?

In 2024, Carl Deirmengian, MD had 187 Medicare Part D claims for 136 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Carl Deirmengian, MD's MIPS final score?

The 2023 MIPS final score is 92.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.