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ROBERT M GROSSBERG MD
NPI 1538259338
Internal Medicine - Infectious Disease in Bronx, NY

Active since October 13, 2006PECOS Enrolled
100/100
CMS Quality Rating
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET, BRONX, NY 10467(718) 920-5224 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Robert M Grossberg Md NPPES

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

ROBERT M GROSSBERG MD (NPI 1538259338) is an individual infectious disease provider in Bronx, New York, licensed in New York (232074) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Warren Alpert Medical School Of Brown University (1996).

NPPES Registry Identity

NPI1538259338
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameROBERT M GROSSBERGCredential: MD
Location AddressMMC - DEPT. OF MEDICINE, 111 EAST 210TH STREETBronx, NY 10467
Mailing Address111 E 210th StBronx, NY 10467-2401 · (718) 920-5224 · Fax (718) 405-0610
Phone(718) 920-5224
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1996
Enumeration DateOctober 13, 2006
Last NPPES UpdateNovember 13, 2025
NPPES CertifiedNovember 13, 2025
✔ NPI 1538259338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NY · 232074
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
MMC - DEPT. OF MEDICINE, Bronx, NY 10467
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert M Grossberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2365417227
PECOS Enrollment IDI20040902000009
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 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 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.
46 services32 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
46 services46 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.
38 services26 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services21 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10467 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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 as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

Aerosol mask, used with dme nebulizer A7015
DME-Other DME · category DE000N
1 supplier12 claims13 services$0.88 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
1 supplier14 claims2,100 services$0.03 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
1 supplier14 claims14 services$24.16 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.

JOHN A HARDIN MD
Internal Medicine (Rheumatology)
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET
BRONX, NY 10467
Bronx County (718) 920-8021
ANNA KITAYCHIK PA
Physician Assistant
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET
BRONX, NY 10467
Bronx County (718) 920-2961
DR. PETER L ALPERT MD
Internal Medicine (Infectious Disease)
MMC - DEPT. OF MEDICINE, 3400 BAINBRIDGE AVENUE, 2ND FL
BRONX, NY 10467
Bronx County (718) 920-7364
GARY E KALKUT MD
Internal Medicine (Infectious Disease)
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET
BRONX, NY 10467
Bronx County (718) 920-2809
ANDREW K KRUMERMAN MD
Internal Medicine (Clinical Cardiac Electrophysiology)
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET
BRONX, NY 10467
Bronx County (718) 920-4776
WANDA HORN MD
Internal Medicine
MMC - DEPT. OF MEDICINE, 3400 BAINBRIDGE AVENUE
BRONX, NY 10467
Bronx County (718) 920-6721
SHIRLEY J FLETCHER-HALL PA
Physician Assistant
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET
BRONX, NY 10467
Bronx County (718) 920-2869
DAVID J PREZANT MD
Internal Medicine (Pulmonary Disease)
MMC - DEPT. OF MEDICINE, 111 EAST 210TH STREET
BRONX, NY 10467
Bronx County (718) 920-6054

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 Robert Grossberg's NPI number?

The NPI number for Robert Grossberg is 1538259338. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Robert Grossberg located?

Robert Grossberg practices at Mmc - Dept. Of Medicine 111 East 210th Street, Bronx, NY 10467. The listed phone number is (718) 920-5224.

What is Robert Grossberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Robert Grossberg enrolled in Medicare?

Yes. Robert Grossberg is registered in the Medicare PECOS enrollment system.

Is Robert Grossberg affiliated with any hospitals?

According to CMS data, Robert Grossberg is affiliated with Montefiore Medical Center.

When was this NPI record last updated?

The NPPES record for Robert Grossberg was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.