JOHN TYLER NATHANSON M.D.
NPI 1891226601
Internal Medicine - Gastroenterology in New York, NY

Active since March 23, 2017PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
51 W 51ST ST, NEW YORK, NY 10019(212) 305-1021 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 9, 2023, May 8, 2017, Mar 23, 2017 (3 updates tracked since 2017).

About John Tyler Nathanson M.d. NPPES

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

JOHN TYLER NATHANSON M.D. (NPI 1891226601) is an individual gastroenterology provider in New York, New York, licensed in New York (321281) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1891226601
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN TYLER NATHANSONCredential: M.D.
Location Address51 W 51ST STNew York, NY 10019-6113
Mailing Address630 W 168th St # 4New York, NY 10032-3725
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 23, 2017
Last NPPES UpdateMay 9, 20233 updates tracked since enumeration
NPPES CertifiedMay 9, 2023
NPI 1891226601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in NY · 321281
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
51 W 51ST ST, New York, NY 10019

Secondary Practice Location 1

Location 13400 Spruce StPhiladelphia, PA 19104-4238 · Phone (215) 662-2200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Tyler Nathanson M.d. 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 ID9436407434
PECOS Enrollment IDI20230612002352
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.

Areas of Expertise CMS Part B claims 13

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
138 services138 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.
73 services60 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
69 services69 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
58 services58 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
40 services38 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
38 services19 patients

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10019 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

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.

Social Worker
51 W 51ST ST, SUITE 340
NEW YORK, NY 10019
Dermatology
51 W 51ST ST
NEW YORK, NY 10019
Social Worker (Clinical)
51 W 51ST ST
NEW YORK, NY 10019
Internal Medicine
51 W 51ST ST
NEW YORK, NY 10019
Internal Medicine (Pulmonary Disease)
51 W 51ST ST, SUITE 360
NEW YORK, NY 10019
Psychiatry & Neurology (Neurology)
51 W 51ST ST, SUITE 380
NEW YORK, NY 10019
Nurse Practitioner (Adult Health)
51 W 51ST ST, SUITE 200
NEW YORK, NY 10019
Psychologist (Cognitive & Behavioral)
51 W 51ST ST
NEW YORK, NY 10019

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 John Nathanson's NPI number?

The NPI number for John Nathanson is 1891226601. It was assigned to this individual provider in the NPPES registry on March 23, 2017.

Where is John Nathanson located?

John Nathanson practices at 51 W 51st St, New York, NY 10019. The listed phone number is (212) 305-1021.

What is John Nathanson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Nathanson enrolled in Medicare?

Yes. John Nathanson 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.

Is John Nathanson affiliated with any hospitals?

According to CMS data, John Nathanson is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for John Nathanson was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.