NPPES file of Aug 9, 2026

Terrence Welsh, M.D.

Anesthesiology Physician · Florham Park, NJ

Terrence Welsh, M.D. is an anesthesiology physician with a practice address in Florham Park, New Jersey, and NPI 1821231135, issued on Apr 16, 2009. Check the license (New Jersey 25MA08955700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1821231135
Name
Terrence Welsh
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
25MA08955700 NJ
247701 NY
Self-reported in NPPES; status is on the state search
Practice location
123 Columbia Tpke Ste 102B, Florham Park, NJ 07932
Phone
(973) 755-0190
Enumerated
Apr 16, 2009
Record last updated
Jun 17, 2026
Fax
(973) 755-0191
Medicare enrollment
Enrolled (PECOS I20111003000279); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
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 123 Columbia Tpke Ste 102B

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

  1. Gautam Malhotra, M.D.Physical Medicine & Rehabilitation Physician1407879000
  2. Michael Mehnert, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1306927967

Verify Terrence Welsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA08955700
    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 Jersey 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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3.3 times the Medicare Part D claims of the average anesthesiology physician in 2024

1,321 Medicare Part D claims for 257 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 617 claims were for opioids.

  1. Terrence Welsh1,321
  2. Specialty average402

Most prescribed

  1. Gabapentin352 claims
  2. Oxycodone-Acetaminophen154 claims
  3. Tramadol Hcl138 claims
  4. Oxycodone Hcl100 claims
  5. Methylprednisolone97 claims
  6. Hydrocodone-Acetaminophen86 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $487.71

9 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Terrence Welsh$487.71
  2. Specialty average$669.59

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

Bills Medicare through one group practice

  1. Maxim Brain And SpineCedar Knolls, NJ

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

Terrence Welsh among 1,714 anesthesiology physician records in New Jersey

Terrence Welsh, M.D. is one of 1,714 anesthesiology physician records with a practice address in New Jersey. 76% 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 68% of them.

  • NPI issued2009 · 68% of these records are older, 28% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2006 · median 2002 among the 1,178 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 anesthesiology physician records list a practice address in Florham Park

They are 44 of the 701 NPPES records with a practice address in Florham Park, and 1,714 anesthesiology physician records in New Jersey.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Lisa Clancy, M.D.Florham Park, NJ 079321922173467
  2. Demosthenes Co, M.D.Florham Park, NJ 079321942375498
  3. Clifton Davis, M.D.Florham Park, NJ 079321518058973
  4. Robert Desimone, M.D.Florham Park, NJ 079321932102589
  5. Khosro Dibadj, M.D.Florham Park, NJ 079321831264399
  6. Emery Fisher, D.O.Florham Park, NJ 079321558434548
  7. Keith Fleischman, D.O.Florham Park, NJ 079321073674487
  8. Suryaprakash Ganti, M.D.Florham Park, NJ 079321740340355

Common questions

What is Terrence Welsh, M.D.'s NPI number?

Terrence Welsh, M.D.'s National Provider Identifier (NPI) is 1821231135, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Terrence Welsh, M.D. located?

The NPPES record lists a practice address at 123 Columbia Tpke Ste 102B, Florham Park, NJ, 07932. Phone: (973) 755-0190. Providers update this record themselves, so call before visiting.

How can I verify Terrence Welsh, M.D.'s license?

NPPES lists New Jersey license number 25MA08955700, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Terrence Welsh, M.D. prescribe under Medicare Part D?

In 2024, Terrence Welsh, M.D. had 1,321 Medicare Part D claims for 257 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.

What is Terrence Welsh, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.