NPPES file of Aug 9, 2026

Stephen A. Grochmal, M.D.

Specialist · Montclair, NJ

Stephen A. Grochmal, M.D. is a specialist with a practice address in Montclair, New Jersey, and NPI 1124153028, issued on Feb 22, 2007. Check the license (New Jersey 25MA03884200, as entered in NPPES) with the New Jersey 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
1124153028
Name
Stephen A. Grochmal
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
25MA03884200 NJ
Self-reported in NPPES; status is on the state search
Practice location
29 The Cres, Montclair, NJ 07042
Phone
(201) 696-6945
Enumerated
Feb 22, 2007
Record last updated
Jan 6, 2014 (not updated in 12 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 specialist records → All 1,636 in New Jersey → Look up another NPI →

Verify Stephen A. Grochmal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 25MA03884200    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 New Jersey license search

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98% fewer Medicare Part D claims than the average specialist in 2024

28 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Stephen Grochmal28
  2. Specialty average1,380

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.

Stephen A. Grochmal among 1,636 specialist records in New Jersey

Stephen A. Grochmal, M.D. is one of 1,636 specialist records with a practice address in New Jersey. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 37% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2014 · 83% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in New Jersey

There are 1,636 specialist records in New Jersey.

All 1,636 in New Jersey → Every provider in Montclair → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Bobby Bass, BOBBY BASS, L.C.S.W.Montclair, NJ 070421467596874
  2. Francis Cruz, OTRMontclair, NJ 070421558761767
  3. Donald Frank, M.D.Montclair, NJ 070421316976772
  4. Gabriel Hunt, M.D.Montclair, NJ 070421245214238
  5. John MeanyMontclair, NJ 070421306524103
  6. Dara Querimit, PH.D.Montclair, NJ 070421649596453
  7. Kimberly Sawczyn, PTMontclair, NJ 070421033155254
  8. Elaine Yonclas, MDMontclair, NJ 070421760483200

Common questions

What is Stephen A. Grochmal, M.D.'s NPI number?

Stephen A. Grochmal, M.D.'s National Provider Identifier (NPI) is 1124153028, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen A. Grochmal, M.D. located?

The NPPES record lists a practice address at 29 The Cres, Montclair, NJ, 07042. Phone: (201) 696-6945. Providers update this record themselves, so call before visiting.

How can I verify Stephen A. Grochmal, M.D.'s license?

NPPES lists New Jersey license number 25MA03884200, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen A. Grochmal, M.D. prescribe under Medicare Part D?

In 2024, Stephen A. Grochmal, M.D. had 28 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.

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.