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DR. RYAN D STEPHENSON DO
NPI 1427477918
Internal Medicine - Hematology & Oncology in New Brunswick, NJ

Active since April 10, 2014PECOS EnrolledAccepts Medicare Assignment
195 LITTLE ALBANY ST, NEW BRUNSWICK, NJ 08901(732) 235-2043(732) 235-8681 Get Directions Write a Review

NPPES record last updated: September 1, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 1, 2020, Jun 18, 2020, Sep 12, 2019 (3 updates tracked since 2019).

About Dr. Ryan D Stephenson Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RYAN D STEPHENSON DO (NPI 1427477918) is an individual hematology & oncology provider in New Brunswick, New Jersey, licensed in New Jersey (25MB10599500) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1427477918
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. RYAN D STEPHENSONCredential: DO
Location Address195 LITTLE ALBANY STNew Brunswick, NJ 08901-1914
Mailing Address195 Little Albany St Rm 5511New Brunswick, NJ 08901-1914 · (732) 235-2043 · Fax (732) 235-8681
Phone(732) 235-2043
Fax(732) 235-8681
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 10, 2014
Last NPPES UpdateSeptember 1, 20203 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2020
✔ NPI 1427477918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NJ · 25MB10599500
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
195 LITTLE ALBANY ST, New Brunswick, NJ 08901
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ryan D Stephenson Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365761624
PECOS Enrollment IDI20200713002928
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ryan Stephenson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rutgers Health-Rwj Scleroderma Program
Same address
Pediatric Hematology-Oncology
195 LITTLE ALBANY ST
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • 641 clinicians in this Medicare group
NPI 1104842285 (732) 235-6455

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
196 services69 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
168 services89 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
40 services40 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
26 services25 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
20 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Robert Wood Johnson University Hospital

Acute Care Hospitals · New Brunswick, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310038
LocationOne Robert Wood Johnson PlaceNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$190.92 typical visit price
range $63.84 – $190.92
Typical copayment $47.73 (range $15.96 – $47.73)
Most-billed visit code 99205
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier12 claims12 services$16.86 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier12 claims14 services$30.73 avg. paid by Medicare
Injection, fluorouracil, 500 mg J9190
Treatment-Chemotherapy · category RH002N
1 supplier13 claims150 services$1.26 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERIC A RUBIN
Internal Medicine (Medical Oncology)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-2465
MARGARET MASTERSON
Pediatrics (Pediatric Hematology-Oncology)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6455
ALLISON ROSE DAVANZO PA-C
Physician Assistant
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-2465
BRUCE G HAFFTY MD
Radiology (Radiation Oncology)
195 LITTLE ALBANY ST, THE CANCER INSTITUTE OF NEW JERSEY ROOM 2006
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-5203
MRS. COLLEEN MERNAR NP
Nurse Practitioner (Adult Health)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-2465
SUSAN LYNNE SCHWARTZ RN, APN-C
Nurse Practitioner (Adult Health)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6949
MRS. ANGELIKA SHENKERMAN APN
Nurse Practitioner (Pediatrics)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (908) 596-1760
RITA MUSANTI
Nurse Practitioner
195 LITTLE ALBANY ST, THE CANCER INSTITUTE OF NEW JERSEY
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6777

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Stephenson's NPI number?

The NPI number for Ryan Stephenson is 1427477918. It was assigned to this individual provider in the NPPES registry on April 10, 2014.

Where is Ryan Stephenson located?

Ryan Stephenson practices at 195 Little Albany St, New Brunswick, NJ 08901. The listed phone number is (732) 235-2043.

What is Ryan Stephenson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Ryan Stephenson enrolled in Medicare?

Yes. Ryan Stephenson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ryan Stephenson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Stephenson reassigns Medicare benefits to Rutgers Health-Rwj Scleroderma Program (New Brunswick, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Stephenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ryan Stephenson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Ryan Stephenson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ryan Stephenson affiliated with any hospitals?

According to CMS data, Ryan Stephenson is affiliated with Robert Wood Johnson University Hospital.

When was this NPI record last updated?

The NPPES record for Ryan Stephenson was last updated on September 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.