Alan N. Mayer, MD
Pediatric Gastroenterology Physician · Milwaukee, WI
Alan N. Mayer, MD is a pediatric gastroenterology physician with a practice address in Milwaukee, Wisconsin, and NPI 1134170988, issued on May 15, 2006. Check the license (Wisconsin 46207-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Alan N. Mayer
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 46207-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215
- Phone
- (414) 908-6506
- Enumerated
- May 15, 2006
- Record last updated
- Jan 26, 2026
- Fax
- (414) 908-6510
- Medicaid ID
- 34443800 WI
- Medicare enrollment
- Enrolled (PECOS I20040131000235); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1995
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 54 in Wisconsin → Look up another NPI →
Also registered at 2801 W Kinnickinnic River Pkwy Ste 1080
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Baierl, PA-CMedical Physician Assistant1831530575
- Katie Balderas, PA-CPhysician Assistant1497184279
- Aaron Baltz, MDGastroenterology Physician1467499277
- William Blosky, M.D.Gastroenterology Physician1740506195
- Fabiola Boche, PA-CMedical Physician Assistant1265661847
- Tedd Cain, MDGastroenterology Physician1750358115
Verify Alan N. Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 46207-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average pediatric gastroenterology physician in 2024
52 Medicare Part D claims, against an average of 42 among the 289 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Famotidine12 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): 82 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- GI Associates LLCFranklin, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan N. Mayer among 54 pediatric gastroenterology physician records in Wisconsin
Alan N. Mayer, MD is one of 54 pediatric gastroenterology physician records with a practice address in Wisconsin. 43% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 61% newer
- In a Medicare fileYes · 43% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated1995 · median 2010 among the 11 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Wisconsin
There are 54 pediatric gastroenterology physician records in Wisconsin.
All 54 in Wisconsin → Every provider in Milwaukee → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Michael Schmalz, MDMilwaukee, WI 532151346655198
- Farhat Ashai-Khan, MDMilwaukee, WI 532261326015090
- Ellen Blank, MDMilwaukee, WI 532261801847249
- Jose Cabrera, M.D.Milwaukee, WI 532261235330721
- Gisela Chelimsky, MDMilwaukee, WI 532261760491336
- Ulysses Li, MDMilwaukee, WI 532261952418097
- Cara Mack, MDMilwaukee, WI 532261083799720
- Alfonso Martinez, MDMilwaukee, WI 532261841243581
Common questions
What is Alan N. Mayer, MD's NPI number?
Alan N. Mayer, MD's National Provider Identifier (NPI) is 1134170988, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan N. Mayer, MD located?
The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI, 53215. Phone: (414) 908-6506. Providers update this record themselves, so call before visiting.
How can I verify Alan N. Mayer, MD's license?
NPPES lists Wisconsin license number 46207-20, 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 Alan N. Mayer, MD prescribe under Medicare Part D?
In 2024, Alan N. Mayer, MD had 52 Medicare Part D claims; the average among pediatric gastroenterology physician prescribers was 42. Part D covers Medicare prescriptions only.
What is Alan N. Mayer, MD's MIPS final score?
The 2023 MIPS final score is 82 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.