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DR. MARTIN JACOB WOLFF M.D.
NPI 1164666244
Internal Medicine - Gastroenterology in New York, NY

Active since April 21, 2009PECOS EnrolledAccepts Medicare Assignment
76.52/100
CMS Quality Rating
535 5TH AVE RM 604, NEW YORK, NY 10017(212) 794-0240(212) 922-2188 Get Directions Write a Review

NPPES record last updated: May 23, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2020, Aug 14, 2018 (2 updates tracked since 2018).

About Dr. Martin Jacob Wolff M.d. NPPES

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

DR. MARTIN JACOB WOLFF M.D. (NPI 1164666244) is an individual gastroenterology provider in New York, New York, licensed in New York (257517) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of New York University School Of Medicine (2009).

NPPES Registry Identity

NPI1164666244
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARTIN JACOB WOLFFCredential: M.D.
Location Address535 5TH AVE RM 604New York, NY 10017-8010
Mailing Address535 5th Ave Rm 604New York, NY 10017-8010 · (212) 794-0240 · Fax (212) 227-3368
Phone(212) 794-0240
Fax(212) 922-2188
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2009
Enumeration DateApril 21, 2009
Last NPPES UpdateMay 23, 20202 updates tracked since enumeration
NPPES CertifiedMay 23, 2020
✔ NPI 1164666244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 257517
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.
535 5TH AVE RM 604, New York, NY 10017
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Secondary Practice Location 1

Location 1123 William St, 15th FloorNew York, NY 10038 · Phone (212) 794-0240 · Fax (212) 227-3368

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. Martin Jacob Wolff 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 ID4981916269
PECOS Enrollment IDI20150629001813
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 Martin Wolff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Medical Of Upper East Side, PLLC
0.3 mi
Urgent Care
275 MADISON AVE
New York, NY 10016
  • Reassigned Medicare billing, New York enrollment
  • 596 clinicians in this Medicare group
NPI 1952057564 (929) 476-0448

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 6

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 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.
111 services82 patients
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.
41 services41 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.
34 services34 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
30 services28 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
18 services18 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10017 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.

76.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.02
Promoting Interoperability100
Improvement Activities40
Cost57.73

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 Martin Wolff's NPI number?

The NPI number for Martin Wolff is 1164666244. It was assigned to this individual provider in the NPPES registry on April 21, 2009.

Where is Martin Wolff located?

Martin Wolff practices at 535 5th Ave Rm 604, New York, NY 10017. The listed phone number is (212) 794-0240.

What is Martin Wolff's specialty?

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

Is Martin Wolff enrolled in Medicare?

Yes. Martin Wolff 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 Martin Wolff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Wolff reassigns Medicare benefits to City Medical Of Upper East Side, PLLC (New York, NY). 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 Martin Wolff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Martin Wolff was last updated on May 23, 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.