NPPES file of Aug 9, 2026

Ryan D. Stephenson, DO

Hematology & Oncology Physician · New Brunswick, NJ

Ryan D. Stephenson, DO is a hematology & oncology physician with a practice address in New Brunswick, New Jersey, and NPI 1427477918, issued on Apr 10, 2014. Check the license (New Jersey 25MB10599500, 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
1427477918
Name
Ryan D. Stephenson
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
25MB10599500 NJ
Self-reported in NPPES; status is on the state search
Practice location
195 Little Albany St, New Brunswick, NJ 08901
Phone
(732) 235-2043
Enumerated
Apr 10, 2014
Record last updated
Sep 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(732) 235-8681
Medicare enrollment
Enrolled (PECOS I20200713002928); 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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Also registered at 195 Little Albany St

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

  1. Funmilayo Adeniranye, APNPrimary Care Nurse Practitioner1609258151
  2. Joseph AisnerMedical Oncology Physician1649328410
  3. Razia Akhtar, M.D.Pediatric Hematology & Oncology Physician1962724872
  4. David AugustSurgical Oncology Physician1881776482
  5. Ann Marie Augustyn, M.S.Genetic Counselor (M.S.)1750430815
  6. Rizvan Azimzade, MDInternal Medicine Physician1184202624

Verify Ryan D. Stephenson 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 25MB10599500
    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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6% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

821 Medicare Part D claims for 121 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 13 claims were for opioids.

  1. Ryan Stephenson821
  2. Specialty average877

Most prescribed

  1. Prednisone82 claims
  2. Abiraterone Acetate78 claims
  3. Bicalutamide51 claims
  4. Levothyroxine Sodium48 claims
  5. Tamsulosin Hcl41 claims
  6. Erleada33 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. Rutgers Health-Rwj Scleroderma ProgramNew Brunswick, NJ

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

Ryan D. Stephenson among 399 hematology & oncology physician records in New Jersey

Ryan D. Stephenson, DO 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 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2014 · median 2002 among the 294 with a school on file
  • Record last updated2020 · 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.

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

  1. Rajat Bannerji, M.D., PH.D.New Brunswick, NJ 089011942361209
  2. Ashwin Chandar, M.D.New Brunswick, NJ 089011316320237
  3. Aaron Ciner, M.D.New Brunswick, NJ 089011972917540
  4. Anna Ferrari, M.D.New Brunswick, NJ 089011316948268
  5. Shuang Guo, M.D.New Brunswick, NJ 089011821385386
  6. Amanda Kaveney, MDNew Brunswick, NJ 089011508154162
  7. Beatriz Lega, MDNew Brunswick, NJ 089011407806714
  8. Rajneesh Nath, MDNew Brunswick, NJ 089011912968728

Common questions

What is Ryan D. Stephenson, DO's NPI number?

Ryan D. Stephenson, DO's National Provider Identifier (NPI) is 1427477918, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ryan D. Stephenson, DO located?

The NPPES record lists a practice address at 195 Little Albany St, New Brunswick, NJ, 08901. Phone: (732) 235-2043. Providers update this record themselves, so call before visiting.

How can I verify Ryan D. Stephenson, DO's license?

NPPES lists New Jersey license number 25MB10599500, 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 Ryan D. Stephenson, DO prescribe under Medicare Part D?

In 2024, Ryan D. Stephenson, DO had 821 Medicare Part D claims for 121 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.

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.