Rachael L. Chambers, DO
Family Medicine Physician · Hayward, WI
Rachael L. 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.
- Name
- Rachael L. 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
- Record last updated
- May 5, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 757133000 MN
- Medicare enrollment
- Enrolled (PECOS I20071228000117); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Verify Rachael L. Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 50778-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% 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 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 148 claims were for opioids.
Most prescribed
- Atorvastatin Calcium252 claims
- Lisinopril220 claims
- Losartan Potassium194 claims
- Amlodipine Besylate189 claims
- Omeprazole165 claims
- 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.
Bills Medicare through 3 group practices
- Advantage Physical Therapy And Sports Rehab, LLCHayward, WI
- St Marys Hospital OF SuperiorHayward, WI
- The Duluth Clinic LtdHayward, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachael L. Chambers among 3,765 family medicine physician records in Wisconsin
Rachael L. Chambers, DO 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2004 · median 2007 among the 2,347 with a school on file
- Record last updated2011 · 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).
25 family medicine physician records list a practice address in Hayward
They are 25 of the 273 NPPES records with a practice address in Hayward, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Hayward → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michele Armstrong, M.D.Hayward, WI 548431487666723
- John Decker, M.D.Hayward, WI 548431487696654
- Sabrina Dunlap, MDHayward, WI 548431083639892
- Katherine Eichten, MDHayward, WI 548431073735056
- Cynthia Hart, MDHayward, WI 548431295786325
- Julie Kahl, MDHayward, WI 548431225250343
- Brent Kelley, M.D.Hayward, WI 548431750306288
- Harry Malcolm, MDHayward, WI 548431144251166
Common questions
What is Rachael L. Chambers, DO's NPI number?
Rachael L. 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 L. 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 L. 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 L. Chambers, DO prescribe under Medicare Part D?
In 2024, Rachael L. Chambers, DO had 5,160 Medicare Part D claims for 372 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.