NPPES file of Aug 9, 2026

Nathan Reuben Teich, M.D.

Hematology & Oncology Physician · Teaneck, NJ

Nathan Reuben Teich, M.D. is a hematology & oncology physician with a practice address in Teaneck, New Jersey, and NPI 1174901110, issued on May 11, 2015. Check the license (New Jersey 25MA11049400, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174901110
Name
Nathan Reuben Teich
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
25MA11049400 NJ
Self-reported in NPPES; status is on the state search
Practice location
718 Teaneck RD, Teaneck, NJ 07666
Phone
(201) 227-6008
Enumerated
May 11, 2015
Record last updated
Jul 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(201) 227-6002
Medicare enrollment
Enrolled (PECOS I20210722001306); accepts Medicare assignment
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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8 nearest hematology & oncology physician records → All 399 in New Jersey → Look up another NPI →

Also registered at 718 Teaneck RD

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

  1. Abel Abebe, MD, MPHStudent in an Organized Health Care Education/Training Program1437098365
  2. Ananea Adamidis, M.D.Nephrology Physician1235139957
  3. Barbara AmayaEmergency Registered Nurse1336973841
  4. Rose Apkarian, RDRegistered Dietitian1619513454
  5. Aurora Aranzazu, FNP-CFamily Nurse Practitioner1992271456
  6. Tracey Arnauer, LCSWClinical Social Worker1053183699

Verify Nathan Reuben Teich 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 25MA11049400    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

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69% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

273 Medicare Part D claims for 52 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Nathan Teich273
  2. Specialty average877

Most prescribed

  1. Eliquis48 claims
  2. Dexamethasone30 claims
  3. Tagrisso25 claims
  4. Ondansetron Odt19 claims
  5. Prednisone18 claims
  6. Entecavir12 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.

Bills Medicare through one group practice

  1. Excelcare Medical Associates PATeaneck, NJ

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

Nathan Reuben Teich among 399 hematology & oncology physician records in New Jersey

Nathan Reuben Teich, M.D. is one of 399 hematology & oncology physician records with a practice address in New Jersey. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.

  • NPI issued2015 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2015 · median 2002 among the 294 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in New Jersey

There are 399 hematology & oncology physician records in New Jersey.

All 399 in New Jersey → Every provider in Teaneck → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Zunaira Choudhary, M.D.Teaneck, NJ 076661093192692
  2. Sanah ParvezTeaneck, NJ 076661659766418
  3. Vikram Premkumar, M.D.Teaneck, NJ 076661104245521
  4. Philip Tsai, MDTeaneck, NJ 076661245346113
  5. Eli Kirshner, MDWestwood, NJ 076751376627737
  6. Louise Ligresti, M.D.Paramus, NJ 076521215960232
  7. Thomas Rakowski, M.D.Paramus, NJ 076521710943436
  8. Jason Suh, M.D.Paramus, NJ 076521538491212

Common questions

What is Nathan Reuben Teich, M.D.'s NPI number?

Nathan Reuben Teich, M.D.'s National Provider Identifier (NPI) is 1174901110, issued on May 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Reuben Teich, M.D. located?

The NPPES record lists a practice address at 718 Teaneck RD, Teaneck, NJ, 07666. Phone: (201) 227-6008. Providers update this record themselves, so call before visiting.

How can I verify Nathan Reuben Teich, M.D.'s license?

NPPES lists New Jersey license number 25MA11049400, 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 Nathan Reuben Teich, M.D. prescribe under Medicare Part D?

In 2024, Nathan Reuben Teich, M.D. had 273 Medicare Part D claims for 52 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.