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

MICHAEL DILLON GROSS MD
NPI 1922663541
Urology in Morristown, NJ

Active since May 08, 2019PECOS Enrolled
261 JAMES ST STE 1A, MORRISTOWN, NJ 07960(973) 539-0333(973) 539-8909 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2026, Jul 13, 2026, Mar 13, 2026 and 2 more (5 updates tracked since 2019).

About Michael Dillon Gross Md NPPES

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

MICHAEL DILLON GROSS MD (NPI 1922663541) is an individual urology provider in Morristown, New Jersey, licensed in New Jersey (25MA13037400) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1922663541
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameMICHAEL DILLON GROSSCredential: MD
Location Address261 JAMES ST STE 1AMorristown, NJ 07960-6348
Mailing Address629 Cranbury Rd Fl 2East Brunswick, NJ 08816-4096 · (732) 390-7750
Phone(973) 539-0333
Fax(973) 539-8909
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateMay 8, 2019
Last NPPES UpdateOctober 7, 20265 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1922663541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in NJ · 25MA13037400
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.
261 JAMES ST STE 1A, Morristown, NJ 07960
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1333 US Highway 46 Ste 103Mountain Lakes, NJ 07046-1741 · Phone (973) 537-5557 · Fax (973) 537-5547
Location 216 Eden LnWhippany, NJ 07981-1402 · Phone (973) 240-3000 · Fax (973) 947-9055

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Dillon Gross Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID143651877
PECOS Enrollment IDI20260616003164
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 Reassignments

2

Medicare enrollment records show Michael Gross reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Practice Associates Medical Group
1.6 mi
Internal Medicine
100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,699 clinicians in this Medicare group
NPI 1427016385 (844) 264-2250
Titan Health Partners LLC
25 mi
Hematology & Oncology
629 CRANBURY RD FL 2
East Brunswick, NJ 08816
  • Reassigned Medicare billing, New Jersey enrollment
  • 132 clinicians in this Medicare group
NPI 1790396281 (732) 390-7750

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310015
Location100 Madison AveMorristown, NJ 07960 · Morris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07960 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TITAN HEALTH PARTNERS LLC
Urology
261 JAMES ST STE 1A
MORRISTOWN, NJ 07960
Morris County (973) 539-0333
PRIYA CHAUHAN APN
Nurse Practitioner
261 JAMES ST STE 1A
MORRISTOWN, NJ 07960
Morris County (973) 539-0333
ANIKA JAHN ACKERMAN MD
Urology
261 JAMES ST STE 1A
MORRISTOWN, NJ 07960
Morris County (973) 539-0333
BENJAMIN L TAYLOR MD
Urology
261 JAMES ST STE 1A
MORRISTOWN, NJ 07960
Morris County (973) 539-0333
MISS KATELYN ELLEN SANTORO PA-C
Physician Assistant
261 JAMES ST STE 1A
MORRISTOWN, NJ 07960
Morris County (973) 539-0333

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 Michael Gross's NPI number?

The NPI number for Michael Gross is 1922663541. It was assigned to this individual provider in the NPPES registry on May 8, 2019.

Where is Michael Gross located?

Michael Gross practices at 261 James St Ste 1A, Morristown, NJ 07960. The listed phone number is (973) 539-0333.

What is Michael Gross's specialty?

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

Is Michael Gross enrolled in Medicare?

Yes. Michael Gross is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Gross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Gross reassigns Medicare benefits to 2 organizations: Practice Associates Medical Group (Morristown, NJ) and Titan Health Partners LLC (East Brunswick, NJ). Each 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 Michael Gross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Gross affiliated with any hospitals?

According to CMS data, Michael Gross is affiliated with Morristown Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Gross was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.