Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARTIN SIMON GROSS MD
NPI 1881915833
Urology in New Haven, CT

Active since June 14, 2010PECOS Enrolled
89.75/100
CMS Quality Rating
789 HOWARD AVE, NEW HAVEN, CT 06519(203) 785-2815 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 6, 2026, Jul 29, 2026, Jan 13, 2026 and 1 more (4 updates tracked since 2016).

About Dr. Martin Simon Gross Md NPPES

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

DR. MARTIN SIMON GROSS MD (NPI 1881915833) is an individual urology provider in New Haven, Connecticut, licensed in Connecticut (86191) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1881915833
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. MARTIN SIMON GROSSCredential: MD
Location Address789 HOWARD AVENew Haven, CT 06519-1304
Mailing Address789 Howard AveNew Haven, CT 06519-1304 · (203) 785-2815
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 14, 2010
Last NPPES UpdateAugust 6, 20264 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
NPI 1881915833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
Licenses Licensed in CT · 86191 Licensed in NH · 17624
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
789 HOWARD AVE, New Haven, CT 06519

Accepted Insurance

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

Dr. Martin Simon Gross Md 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 ID8729210646
PECOS Enrollment IDI20160902001795
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 7

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.
284 services203 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.
78 services78 patients
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.
24 services23 patients
Injection procedure to cause erection 54235
This procedure involves administering a medication into your body to stimulate blood flow. It's designed to aid specific physical responses, similar to how adrenaline can increase heart rate. The medication is introduced via a small needle, and the effects typically occur shortly after.
18 services17 patients
Complete ultrasound of penis artery and vein blood flow 93980
This procedure involves using sound waves to create images of your blood vessels. It helps to assess the circulation in the area, identify any blockages or abnormalities, and ensure that blood is flowing properly for optimal health.
16 services15 patients
Insertion of multicomponent inflatable penile implant 54405
This procedure involves placing a device in the body that assists in maintaining firmness. It is composed of multiple parts, all inserted through a small incision. Once in place, it can be controlled manually for desired firmness and relaxation.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Cheshire Medical Center

Acute Care Hospitals · Keene, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300019
Location580 Court StreetKeene, NH 03431 · Cheshire County
Emergency services Birthing friendly

New London Hospital

Critical Access Hospitals · New London, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301304
Location273 County RoadNew London, NH 03257 · Merrimack County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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.

89.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.37
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
2 suppliers11 claims2,700 services$6.16 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.

Internal Medicine (Gastroenterology)
789 HOWARD AVE, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06519
Pediatrics (Pediatric Emergency Medicine)
789 HOWARD AVE, YNHH PEDIATRICS
NEW HAVEN, CT 06519
Internal Medicine (Interventional Cardiology)
789 HOWARD AVE
NEW HAVEN, CT 06519
Internal Medicine (Interventional Cardiology)
789 HOWARD AVE, YNHH,
NEW HAVEN, CT 06519
Internal Medicine (Infectious Disease)
789 HOWARD AVE, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06519
Radiology (Diagnostic Radiology)
789 HOWARD AVE, TOMPKINS EAST BUILDING ROOM 2-230
NEW HAVEN, CT 06519
Nurse Practitioner (Adult Health)
789 HOWARD AVE
NEW HAVEN, CT 06519
Pharmacist
789 HOWARD AVE
NEW HAVEN, CT 06519

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 Gross's NPI number?

The NPI number for Martin Gross is 1881915833. It was assigned to this individual provider in the NPPES registry on June 14, 2010.

Where is Martin Gross located?

Martin Gross practices at 789 Howard Ave, New Haven, CT 06519. The listed phone number is (203) 785-2815.

What is Martin Gross's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Martin Gross enrolled in Medicare?

Yes. Martin Gross 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.

What insurance does Martin Gross accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Martin Gross 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 Martin Gross affiliated with any hospitals?

According to CMS data, Martin Gross is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center and New London Hospital.

When was this NPI record last updated?

The NPPES record for Martin Gross was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.