Zachary Benjamin Koloff, MD
Urology Physician · Stoneham, MA
Zachary Benjamin Koloff, MD is a urology physician with a practice address in Stoneham, Massachusetts, and NPI 1770996175, issued on Jun 4, 2014. Check the license (Massachusetts 279101, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Zachary Benjamin Koloff
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- 279101 MA
4301105086 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3 Woodland RD Ste 216, Stoneham, MA 02180
- Phone
- (781) 979-0661
- Enumerated
- Jun 4, 2014
- Record last updated
- Sep 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191002001569); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 377 in Massachusetts → Look up another NPI →
Also registered at 3 Woodland RD Ste 216
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie AlimontiDevelopmental Therapist1649016585
- Jolene Borchelt, LCSWSocial Worker1457009474
- Pamela ElisDevelopmental Therapist1689342339
- Katera FarrisDevelopmental Therapist1184351561
- Erin Fingrut, MS CCC-SLPSpeech-Language Pathologist1841632668
- Bailey FlynnDevelopmental Therapist1346162740
Verify Zachary Benjamin Koloff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 279101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average urology physician in 2024
1,352 Medicare Part D claims for 381 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Tamsulosin Hcl460 claims
- Finasteride207 claims
- Myrbetriq63 claims
- Oxybutynin Chloride Er48 claims
- Gemtesa46 claims
- Alfuzosin Hcl Er43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $347.81
10 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Beth Israel Lahey Health Specialty Care, Inc.Burlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Benjamin Koloff among 377 urology physician records in Massachusetts
Zachary Benjamin Koloff, MD is one of 377 urology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 21% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2014 · median 2002 among the 244 with a school on file
- Record last updated2019 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 urology physician records list a practice address in Stoneham
They are 7 of the 473 NPPES records with a practice address in Stoneham, and 377 urology physician records in Massachusetts.
All 377 in Massachusetts → Every provider in Stoneham → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Paul Kelly, M.D.Stoneham, MA 021801437184454
- Arthur Little, M.D.Stoneham, MA 021801881628642
- Jerry Rittenhouse, M.D.Stoneham, MA 021801831124916
- Joshua Stern, MDStoneham, MA 021801174727960
- Peter Tiffany, M.D.Stoneham, MA 021801780619700
- Sheaumei Tsai, M.D.Stoneham, MA 021801346411493
- Richard Caesar, MDMelrose, MA 021761538251715
- Bruce Devon, M.D.Melrose, MA 021761205849155
Common questions
What is Zachary Benjamin Koloff, MD's NPI number?
Zachary Benjamin Koloff, MD's National Provider Identifier (NPI) is 1770996175, issued on Jun 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Benjamin Koloff, MD located?
The NPPES record lists a practice address at 3 Woodland RD Ste 216, Stoneham, MA, 02180. Phone: (781) 979-0661. Providers update this record themselves, so call before visiting.
How can I verify Zachary Benjamin Koloff, MD's license?
NPPES lists Massachusetts license number 279101, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachary Benjamin Koloff, MD prescribe under Medicare Part D?
In 2024, Zachary Benjamin Koloff, MD had 1,352 Medicare Part D claims for 381 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Zachary Benjamin Koloff, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.