Registry data as of Aug 27, 2026

Rachael Chambers, DO

Family Medicine Physician · Hayward, WI

Rachael Chambers, DO is a family medicine physician with a practice address in Hayward, Wisconsin, and NPI 1912976952, issued on Mar 14, 2006. Check the license (Wisconsin 50778-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912976952
Name
Rachael Chambers
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
50778-21 WI
47631 MN
Self-reported in NPPES; status is on the state search
Practice location
11134 North Hwy 77, Hayward, WI 54843
Phone
(715) 634-5505
Enumerated
Mar 14, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Rachael Chambers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 50778-21
    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.

47% more Medicare Part D claims than the average family medicine physician in 2024

5,160 Medicare Part D claims for 372 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 148 claims were for opioids.

  1. Rachael Chambers5,160
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium252 claims
  2. Lisinopril220 claims
  3. Losartan Potassium194 claims
  4. Amlodipine Besylate189 claims
  5. Omeprazole165 claims
  6. Levothyroxine Sodium160 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.

3 hospital and facility affiliations

  1. Advantage Physical Therapy And Sports Rehab, LLCHayward, WI
  2. St Marys Hospital OF SuperiorHayward, WI
  3. The Duluth Clinic LtdHayward, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

23 family medicine physician records list a Hayward practice address

They are 23 of the 273 NPPES records with a Hayward practice address, and 3,629 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ghudran Abdulal, MDNew Berlin, WI1083622666
  2. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  3. Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
  4. Emily Abeyta, MDWaukesha, WI1386905107
  5. Islam Abo Al Nadie, MDMilwaukee, WI1326618786
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Rachael Chambers, DO's NPI number?

Rachael Chambers, DO's National Provider Identifier (NPI) is 1912976952, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rachael Chambers, DO located?

The NPPES record lists a practice address at 11134 North Hwy 77, Hayward, WI, 54843. Phone: (715) 634-5505. Providers update this record themselves, so call before visiting.

How can I verify Rachael Chambers, DO's license?

NPPES lists Wisconsin license number 50778-21, 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 Rachael Chambers, DO prescribe under Medicare Part D?

In 2024, Rachael Chambers, DO had 5,160 Medicare Part D claims for 372 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.