GREGG E. ZIMMERMAN MD
NPI 1790766228
Urology in Denville, NJ

Q: What is Gregg Zimmerman's NPI number?

The NPI number for Gregg Zimmerman is 1790766228. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Q: What is Gregg Zimmerman's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregg Zimmerman was last updated on June 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since November 10, 2005PECOS EnrolledAccepts Medicare Assignment

16 POCONO RD, SUITE 205, DENVILLE, NJ 07834(973) 627-0060(973) 627-6821 Get Directions Write a Review

NPPES record last updated: June 18, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Gregg E. Zimmerman Md NPPES

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

GREGG E. ZIMMERMAN MD (NPI 1790766228) is an individual urology provider in Denville, New Jersey, licensed in New Jersey (25MA08076700) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2000).

NPPES Registry Identity

NPI1790766228

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameGREGG E. ZIMMERMANCredential: MD

Location Address16 POCONO RD, SUITE 205Denville, NJ 07834-2901

Mailing Address16 Pocono Rd, Suite 205Denville, NJ 07834-2901 · (973) 627-0060 · Fax (973) 627-6821

Phone(973) 627-0060

Fax(973) 627-6821

Sole ProprietorNo

Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2000

Enumeration DateNovember 10, 2005

Last NPPES UpdateJune 18, 2010

✔ NPI 1790766228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in NJ · 25MA08076700

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.

16 POCONO RD, Denville, NJ 07834

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Other Identifiers 2

Medicare PINRA7733NY

Medicare UPINI38855NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

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

Gregg E. Zimmerman 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 ID941232458

PECOS Enrollment IDI20050906000829, I20060720000081

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

Medicare enrollment records show Gregg Zimmerman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Garden State Urology LLC

5.8 mi

Urology

16 EDEN LN
Whippany, NJ 07981

Reassigned Medicare billing, New Jersey enrollment
21 clinicians in this Medicare group

NPI 1629231766 (973) 240-2181

Internal Medicine Of Morris County LLC

6.5 mi

Internal Medicine

195 ROUTE 46, SUITE 102
Mine Hill, NJ 07803

Reassigned Medicare billing, New Jersey enrollment
127 clinicians in this Medicare group

NPI 1568570489 (973) 366-6060

Titan Health Partners LLC

34 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

John T. Mather Memorial Hospital

74 mi

Emergency Medicine

75 N COUNTRY RD
Port Jefferson, NY 11777

Reassigned Medicare billing, New York enrollment
232 clinicians in this Medicare group

NPI 1104913748 (631) 473-1320

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 24

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.

1,392 services852 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

1,270 services834 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

1,025 services704 patients

Electronic assessment of bladder emptying 51741

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

347 services291 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.

137 services83 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.

136 services136 patients

Leuprolide acetate (for depot suspension), 7.5 mg J9217

Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.

117 services27 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.

116 services105 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

99 services79 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

78 services77 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

42 services28 patients

Imaging guidance for procedure, 60 minutes or less 76000

Imaging guidance is a procedure where real-time images are used to direct medical tools during a treatment. This technique helps to improve accuracy and safety. The procedure typically lasts 60 minutes or less.

39 services29 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

31 services24 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

30 services30 patients

Biopsy of prostate gland 55700

A biopsy of the prostate gland is a procedure where a small sample of tissue is taken from your body's internal gland, located near the bladder, for testing. This helps in diagnosing potential health issues. It's usually done with a fine needle and imaging technology for accuracy.

28 services28 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

23 services16 patients

Insertion of stent in ureter using an endoscope 52332

This procedure involves placing a small, flexible tube (stent) in your body's drainage system to help urine flow from the kidneys to the bladder. An endoscope, a thin tube with a light and camera, is used for precise placement.

20 services16 patients

Imaging of urinary tract following injection of a contrast agent 74420

This procedure involves injecting a contrast agent into your body to help highlight the urinary tract during imaging. The contrast agent makes your urinary tract more visible on the images, providing detailed information about its structure and function. This can help in diagnosing any potential issues.

20 services16 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.

19 services18 patients

Dilation of urethra using an endoscope 52281

This procedure involves expanding a narrow passage in your urinary tract with the help of a special instrument called an endoscope. It aids in improving urine flow and resolving related issues, ensuring better urinary health.

14 services12 patients

Shock wave crushing of kidney stones 50590

Shock wave crushing of kidney stones, also known as Extracorporeal Shock Wave Lithotripsy (ESWL), is a non-invasive treatment. It involves the use of sound waves to break down kidney stones into small pieces that can easily pass through your urinary tract.

13 services13 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

12 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Saint Clare's Hospital/ Denville Campus

Acute Care Hospitals · Denville, NJ

3/5 CMS rating

OwnershipProprietary

CMS Certification Number310050

Location25 Pocono RoadDenville, NJ 07834 · Morris County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

The University Hospital

Acute Care Hospitals · Newark, NJ

1/5 CMS rating

OwnershipGovernment - State

CMS Certification Number310119

Location150 Bergen StNewark, NJ 07103 · Essex County

Emergency services Birthing friendly

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330185

Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07834 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.

Referred Medical Equipment & Supplies CMS DME claims 9

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

Lubricant, individual sterile packet, each A4332

DME-Medical/Surgical Supplies · category DA000N

1 supplier30 claims3,560 services$0.11 avg. paid by Medicare

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

3 suppliers53 claims9,240 services$1.61 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

8 suppliers41 claims87 services$8.81 avg. paid by Medicare

Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358

DME-Orthotic Devices · category DF000N

4 suppliers22 claims70 services$6.25 avg. paid by Medicare

Skin barrier; solid, 4 x 4 or equivalent; each A4362

DME-Orthotic Devices · category DF010N

3 suppliers12 claims530 services$3.36 avg. paid by Medicare

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

4 suppliers11 claims320 services$4.78 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.

ALANA M SCORZO APRN, FNP-BC

Nurse Practitioner (Family)

16 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 586-3700

DR. MICHAEL GERARD GIRONTA DO

Internal Medicine

16 POCONO RD, SUITE 313
DENVILLE, NJ 07834

Morris County (973) 625-0112

CHARLES ROBERT BUSHONG JR. M.D.

Pediatrics

16 POCONO RD, SUITE 214
DENVILLE, NJ 07834

Morris County (973) 627-6129

LAKELAND UROLOGY L L C

Urology

16 POCONO RD, SUITE 302
DENVILLE, NJ 07834

Morris County (973) 627-3411

ASSOCIATES IN PULMONARY MEDICINE PA

Internal Medicine (Pulmonary Disease)

16 POCONO RD, 217
DENVILLE, NJ 07834

Morris County (800) 750-8616

DIAMOND SPRING DENTAL ASSOCIATES PA

Dentist

16 POCONO RD, SUITE 116
DENVILLE, NJ 07834

Morris County (973) 627-1220

DR. VINCENT CUBELLI M.D.

Urology

16 POCONO RD, SUITE 302
DENVILLE, NJ 07834

Morris County (973) 627-3411

DR. CEM S. OMAY M.D.

Obstetrics & Gynecology

16 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 627-1400

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 Gregg Zimmerman's NPI number?

The NPI number for Gregg Zimmerman is 1790766228. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Where is Gregg Zimmerman located?

Gregg Zimmerman practices at 16 Pocono Rd Suite 205, Denville, NJ 07834. The listed phone number is (973) 627-0060.

What is Gregg Zimmerman's specialty?

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

Is Gregg Zimmerman enrolled in Medicare?

Yes. Gregg Zimmerman 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 organizations bill Medicare for Gregg Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Zimmerman reassigns Medicare benefits to 4 organizations: Garden State Urology LLC (Whippany, NJ), Internal Medicine Of Morris County LLC (Mine Hill, NJ), Titan Health Partners LLC (East Brunswick, NJ) and John T. Mather Memorial Hospital (Port Jefferson, NY). 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 Gregg Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregg Zimmerman accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Gregg Zimmerman 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 Gregg Zimmerman affiliated with any hospitals?

According to CMS data, Gregg Zimmerman is affiliated with Morristown Medical Center, Saint Clare's Hospital/ Denville Campus, Hackettstown Medical Center, The University Hospital and John T Mather Memorial Hospital Of Port Jefferson.

When was this NPI record last updated?

The NPPES record for Gregg Zimmerman was last updated on June 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.