NPPES file of Aug 9, 2026

Zachary Adam Zimmerman, M.D.

Otolaryngology Physician · Beloit, WI

Zachary Adam Zimmerman, M.D. is an otolaryngology physician with a practice address in Beloit, Wisconsin, and NPI 1265815187, issued on Jul 9, 2015. Check the license (Wisconsin 75795-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265815187
Name
Zachary Adam Zimmerman
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
75795-20 WI
7590 GA
036-151049 IL
036151049 IL
Self-reported in NPPES; status is on the state search
Practice location
Beloit Clinic, Beloit, WI 53511
Phone
(608) 364-2400
Enumerated
Jul 9, 2015
Record last updated
Sep 7, 2023
Fax
(608) 363-7376
Medicaid ID
100175684 WI
Medicare enrollment
Enrolled (PECOS I20210803000695); accepts Medicare assignment
Medical or professional school
University Of Florida College Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at Beloit Clinic

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Baumann, NPNurse Practitioner1508680539
  2. Brittany Blomberg, D.O.Family Medicine Physician1598125072
  3. Lynell Brown, AUDAudiologist1326002890
  4. Jennifer Cho-Escalante, DOFamily Medicine Physician1083142202
  5. Diane Clark, CDRegistered Dietitian1568055812
  6. Iain Decker, DOOphthalmology Physician1740718410

Verify Zachary Adam Zimmerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 75795-20
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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30% fewer Medicare Part D claims than the average otolaryngology physician in 2024

381 Medicare Part D claims for 170 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Zachary Zimmerman381
  2. Specialty average541

Most prescribed

  1. Montelukast Sodium61 claims
  2. Ipratropium Bromide59 claims
  3. Fluticasone Propionate36 claims
  4. Mupirocin31 claims
  5. Prednisone26 claims
  6. Amoxicillin-Clavulanate Potass18 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score58.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,640.07

18 payments; by number, the most common kind was food and beverage; the largest payer was Aerin Medical Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Zimmerman$1,640.07
  2. Specialty average$1,922.50

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

  1. Beloit Health System IncBeloit, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary Adam Zimmerman among 231 otolaryngology physician records in Wisconsin

Zachary Adam Zimmerman, M.D. is one of 231 otolaryngology physician records with a practice address in Wisconsin. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.

  • NPI issued2015 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2015 · median 2004 among the 147 with a school on file
  • Record last updated2023 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Wisconsin

There are 231 otolaryngology physician records in Wisconsin.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Michael Anderson, M.D.Fort Atkinson, WI 535381588685077
  2. William Hofmann, M.D.Fort Atkinson, WI 535381306844949
  3. David Rowe, M.D.Fort Atkinson, WI 535381679594162
  4. Matthew Sdano, MDFort Atkinson, WI 535381376648378
  5. Warren Ellison, MDJanesville, WI 535461194765560
  6. Steven Lyon, MDJanesville, WI 535461013950096
  7. Landon Riggs, MDJanesville, WI 535461386709723
  8. Eric Yang, M.D.Janesville, WI 535461376719054

Common questions

What is Zachary Adam Zimmerman, M.D.'s NPI number?

Zachary Adam Zimmerman, M.D.'s National Provider Identifier (NPI) is 1265815187, issued on Jul 9, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Adam Zimmerman, M.D. located?

The NPPES record lists a practice address at Beloit Clinic, Beloit, WI, 53511. Phone: (608) 364-2400. Providers update this record themselves, so call before visiting.

How can I verify Zachary Adam Zimmerman, M.D.'s license?

NPPES lists Wisconsin license number 75795-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zachary Adam Zimmerman, M.D. prescribe under Medicare Part D?

In 2024, Zachary Adam Zimmerman, M.D. had 381 Medicare Part D claims for 170 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Zachary Adam Zimmerman, M.D.'s MIPS final score?

The 2023 MIPS final score is 73.1 of 100, reported for the practice group. 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.