Frederick Steinberg, MD
Internal Medicine Physician · Wyckoff, NJ
Frederick Steinberg, MD is an internal medicine physician with a practice address in Wyckoff, New Jersey, and NPI 1194975946, issued on Sep 29, 2008. Check the license (New Jersey 25MA01973700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Frederick Steinberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA01973700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 242 Navajo CT, Wyckoff, NJ 07481
- Phone
- (201) 891-6730
- Enumerated
- Sep 29, 2008
- Record last updated
- Sep 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (201) 891-9479
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Frederick Steinberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA01973700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
75 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of 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.
Frederick Steinberg among 4,632 internal medicine physician records in New Jersey
Frederick Steinberg, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in New Jersey
There are 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Wyckoff → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Noel Friedland, M.D.Wyckoff, NJ 074811518950328
- Serge Kalevich, M.D.West Milford, NJ 074801538151329
- Robert Platt, M.D.West Milford, NJ 074801013909803
- Adrien Tanenbaum, M.D.West Milford, NJ 074801851670129
- Diego Cepeda Mora, MDWayne, NJ 074701265994164
- Robert Costello, M.D.Wayne, NJ 074701326454638
- Stephanie Duarte, M.D.Wayne, NJ 074701316391907
- Eugene Festa, M.D., PH.DWayne, NJ 074701629395629
Common questions
What is Frederick Steinberg, MD's NPI number?
Frederick Steinberg, MD's National Provider Identifier (NPI) is 1194975946, issued on Sep 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Steinberg, MD located?
The NPPES record lists a practice address at 242 Navajo CT, Wyckoff, NJ, 07481. Phone: (201) 891-6730. Providers update this record themselves, so call before visiting.
How can I verify Frederick Steinberg, MD's license?
NPPES lists New Jersey license number 25MA01973700, 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 Frederick Steinberg, MD prescribe under Medicare Part D?
In 2024, Frederick Steinberg, MD had 75 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.