Gregory Mullen, MD
NPI 1689105504 · Urology Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Mullen, MD is a Urology Physician provider in Livingston, NJ (NPI 1689105504).
Provider details
- NPI number
- 1689105504
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA11814000 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,904 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 336 | $141 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 242 | $53 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 179 | $183 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 172 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 172 | $18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 173 | 84 |
| Cephalexin | 49 | 37 |
| Ciprofloxacin Hcl | 47 | 41 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 38 | 28 |
| Finasteride | 37 | 18 |
| Mirabegronbrand: Myrbetriq | 31 | — |
| Estradiol | 31 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$251 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-22
- Last updated
- 2023-08-03
- Certified
- 2023-08-03
Frequently asked questions
- What is Gregory Mullen's NPI number?
- Gregory Mullen's National Provider Identifier (NPI) is 1689105504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mullen's specialty?
- Gregory Mullen is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Mullen located?
- Gregory Mullen's practice location on file with NPPES is 200 S Orange Ave Ste 228, Livingston, NJ 07039-5817.
- What is Gregory Mullen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mullen is (212) 241-6500.
- Does Gregory Mullen accept Medicare?
- Gregory Mullen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Mullen's NPI active?
- Yes — Gregory Mullen's NPI (1689105504) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.