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NATHANIEL KRATZ M.D.
NPI 1639532476
Internal Medicine in New York, NY

Active since March 30, 2016PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
5141 BROADWAY, NEW YORK, NY 10034(212) 932-4461 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 31, 2026, Apr 3, 2020, Mar 30, 2016 (3 updates tracked since 2016).

About Nathaniel Kratz M.d. NPPES

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

NATHANIEL KRATZ M.D. (NPI 1639532476) is an individual internal medicine provider in New York, New York, licensed in New York (299476) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1639532476
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNATHANIEL KRATZCredential: M.D.
Location Address5141 BROADWAYNew York, NY 10034-1159
Mailing Address630 W 168th St # 4New York, NY 10032-3725
Phone(212) 932-4461
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 30, 2016
Last NPPES UpdateMarch 31, 20263 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1639532476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 299476
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPreventive Medicine · Addiction MedicineTaxonomy 2083A0300X · License 299476 (NY)
Also ListedHospitalistTaxonomy 208M00000X · License 299476 (NY)
5141 BROADWAY, New York, NY 10034
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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

Nathaniel Kratz 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 ID7012243702
PECOS Enrollment IDI20190802000782
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

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.

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.
42 services13 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 10034 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.

AMANDA SARA BROWN RN
Nurse Practitioner (Psychiatric/Mental Health)
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 932-4165
BRITNEY SAMIRA MATTHEWS NP
Nurse Practitioner (Psychiatric/Mental Health)
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 932-4000
RAHUL SHAH M.D.
Hospitalist
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 932-5218
SONIKA KAUR CHOUHAN
Internal Medicine
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 932-4000
DR. DEAN CHOU MD
Neurological Surgery
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 305-7376
MS. KAREN MERYL STUGENSKY RPA-C
Physician Assistant (Medical)
5141 BROADWAY, ALLEN PAVILION
NEW YORK, NY 10034
New York County (212) 932-4125
DEREK MAZIQUE
Internal Medicine
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 932-5218
KRISTEN MICHELE MITCHELL PA
Physician Assistant (Surgical)
5141 BROADWAY
NEW YORK, NY 10034
New York County (212) 932-4171

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 Nathaniel Kratz's NPI number?

The NPI number for Nathaniel Kratz is 1639532476. It was assigned to this individual provider in the NPPES registry on March 30, 2016.

Where is Nathaniel Kratz located?

Nathaniel Kratz practices at 5141 Broadway, New York, NY 10034. The listed phone number is (212) 932-4461.

What is Nathaniel Kratz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nathaniel Kratz enrolled in Medicare?

Yes. Nathaniel Kratz 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 Nathaniel Kratz affiliated with any hospitals?

According to CMS data, Nathaniel Kratz is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Nathaniel Kratz was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.