NPPES file of Aug 9, 2026

Robert P. Chayer, M.D.

Child & Adolescent Psychiatry Physician · Milwaukee, WI

Robert P. Chayer, M.D. is a child & adolescent psychiatry physician with a practice address in Milwaukee, Wisconsin, and NPI 1962444711, issued on Jun 12, 2006. Check the license (Wisconsin 30371, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962444711
Name
Robert P. Chayer
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
30371 WI
Self-reported in NPPES; status is on the state search
Practice location
1155 N Mayfair RD, Milwaukee, WI 53226
Phone
(414) 955-8900
Enumerated
Jun 12, 2006
Record last updated
Mar 11, 2024
Fax
(414) 955-6285
Medicaid IDs
31798900 WI
1962444711 WI
Medicare enrollment
Enrolled (PECOS I20051003000203); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1987
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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8 nearest child & adolescent psychiatry physician records → All 134 in Wisconsin → Look up another NPI →

Also registered at 1155 N Mayfair RD

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

  1. Syed Ahmed, MDFamily Medicine Physician1982655460
  2. Yoshiaki Akiya, M.D.Family Medicine Physician1245386614
  3. Mary Alvarez, MDPsychiatry Physician1669424230
  4. Anne Anderson, PAMedical Physician Assistant1285685701
  5. Danielle Anderson, M.D.Psychiatry Physician1063568202
  6. Adrian Battiston, MD, FRCSCPlastic Surgery Physician1073403465

Verify Robert P. Chayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 30371    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Childrens Specialty Group IncMilwaukee, WI

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

Robert P. Chayer among 134 child & adolescent psychiatry physician records in Wisconsin

Robert P. Chayer, M.D. is one of 134 child & adolescent psychiatry physician records with a practice address in Wisconsin. 60% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 49% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated1987 · median 2001 among the 59 with a school on file
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Wisconsin

There are 134 child & adolescent psychiatry physician records in Wisconsin.

All 134 in Wisconsin → Every provider in Milwaukee → Child & Adolescent Psychiatry Physician nationwide →

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Erica Arrington, M.D.Milwaukee, WI 532261720183759
  2. Tisa Ayuso, D.O.Milwaukee, WI 532261851629448
  3. Richard Barthel, MDMilwaukee, WI 532261922059336
  4. William Findlay, MDMilwaukee, WI 532261821049651
  5. Rosa Kim, M.D.Milwaukee, WI 532261922154103
  6. Kathleen Koth, DOMilwaukee, WI 532261366572000
  7. Colleen Manak, M.D.Milwaukee, WI 532261386062180
  8. Joseph O'Grady, M.D.Milwaukee, WI 532261619920394

Common questions

What is Robert P. Chayer, M.D.'s NPI number?

Robert P. Chayer, M.D.'s National Provider Identifier (NPI) is 1962444711, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert P. Chayer, M.D. located?

The NPPES record lists a practice address at 1155 N Mayfair RD, Milwaukee, WI, 53226. Phone: (414) 955-8900. Providers update this record themselves, so call before visiting.

How can I verify Robert P. Chayer, M.D.'s license?

NPPES lists Wisconsin license number 30371, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.