Zachary Koloff, MD
NPI 1770996175 · Urology Physician · Stoneham, MA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Koloff, MD is a Urology Physician provider in Stoneham, MA (NPI 1770996175).
Provider details
- NPI number
- 1770996175
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 279101 (MA)
Specialties & taxonomies
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,725 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 | 415 | $141 |
| 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 | 283 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 146 | $101 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 126 | $277 |
| Urinalysis, Manual Test81002 | 118 | $3 |
| Instillation of Anti-Cancer Drug Into Bladder |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 460 | 161 |
| Finasteride | 207 | 68 |
| Mirabegronbrand: Myrbetriq | 63 | 21 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 48 | 23 |
| Vibegronbrand: Gemtesa | 46 | 18 |
| Potassium Citratebrand: Potassium Citrate Er | 43 | 13 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$348 across 10 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
Additional practice locations (1)
- 1500 Medical Ctr Dr3875 Taubman Ctr, Spc 5330Ann Arbor, MI 48109-5000Phone: (734) 936-4000
Registry dates
- Enumerated
- 2014-06-04
- Last updated
- 2019-09-09
Frequently asked questions
- What is Zachary Koloff's NPI number?
- Zachary Koloff's National Provider Identifier (NPI) is 1770996175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Koloff's specialty?
- Zachary Koloff is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Koloff located?
- Zachary Koloff's practice location on file with NPPES is 3 Woodland Rd Ste 216, Stoneham, MA 02180.
- What is Zachary Koloff's phone number?
- The practice phone number listed in the NPPES registry for Zachary Koloff is (781) 979-0661.
- Does Zachary Koloff accept Medicare?
- Zachary Koloff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Koloff's NPI active?
- Yes — Zachary Koloff's NPI (1770996175) is active in the NPPES registry as of the last update on 2019-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.