Robert B. Macnack, M.D.
Family Medicine Physician · Monroe, WI
Robert B. Macnack, M.D. is a family medicine physician with a practice address in Monroe, Wisconsin, and NPI 1881826790, issued on Aug 12, 2009. Check the license (Wisconsin 69016-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert B. Macnack
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 69016-20 WI
28991 OK
Self-reported in NPPES; status is on the state search - Practice location
- 515 22ND Ave, Monroe, WI 53566
- Phone
- (608) 324-2000
- Enumerated
- Aug 12, 2009
- Record last updated
- Dec 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (405) 769-9689
- Medicaid ID
- 200438910A OK
- Medicare enrollment
- Enrolled (PECOS I20180927000132); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 515 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arif Ahmad, MDCardiovascular Disease Physician1881615516
- Ann Anderson, COTAPhysical Therapy Assistant1770874935
- Eric Anderson, MDDermatology Physician1184645616
- Maija Anderson, PHARMDPharmacotherapy Pharmacist1689306300
- Melissa Anderson, DNPNurse Practitioner1316546724
- Dorota Andraski, MDInternal Medicine Physician1780605717
Verify Robert B. Macnack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 69016-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,717 Medicare Part D claims for 441 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 323 claims were for opioids.
Most prescribed
- Atorvastatin Calcium486 claims
- Lisinopril384 claims
- Amlodipine Besylate323 claims
- Omeprazole285 claims
- Levothyroxine Sodium244 claims
- Gabapentin229 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.
Bills Medicare through one group practice
- The Monroe Clinic, Inc.Freeport, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert B. Macnack among 3,765 family medicine physician records in Wisconsin
Robert B. Macnack, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2007 among the 2,347 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Monroe
They are 16 of the 433 NPPES records with a practice address in Monroe, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Monroe → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elisabeth Anumu, M.D.Monroe, WI 535661215185715
- Eli Burks, M.D.Monroe, WI 535661194131813
- Kimberly Cachero, MDMonroe, WI 535661801530126
- Timothy Hamel, MDMonroe, WI 535661417021882
- Omololu Omowanile, M.D.Monroe, WI 535661922493063
- Michael RoeschMonroe, WI 535661023639135
- Joy Ryland, DOMonroe, WI 535661346739604
- Joshua Schulist, MD.Monroe, WI 535661982048070
Common questions
What is Robert B. Macnack, M.D.'s NPI number?
Robert B. Macnack, M.D.'s National Provider Identifier (NPI) is 1881826790, issued on Aug 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Robert B. Macnack, M.D. located?
The NPPES record lists a practice address at 515 22ND Ave, Monroe, WI, 53566. Phone: (608) 324-2000. Providers update this record themselves, so call before visiting.
How can I verify Robert B. Macnack, M.D.'s license?
NPPES lists Wisconsin license number 69016-20, 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 Robert B. Macnack, M.D. prescribe under Medicare Part D?
In 2024, Robert B. Macnack, M.D. had 8,717 Medicare Part D claims for 441 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.