Rachael Chambers, DO
NPI 1912976952 · Family Medicine Physician · Hayward, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachael Chambers, DO is a Family Medicine Physician provider in Hayward, WI (NPI 1912976952).
Provider details
- NPI number
- 1912976952
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 47631 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
52 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $73 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 16 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $121 |
Typical Medicare-allowed amounts for these services range $73–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 252 | 76 |
| Lisinopril | 220 | 70 |
| Losartan Potassium | 194 | 49 |
| Amlodipine Besylate | 189 | 60 |
| Omeprazole | 165 | 41 |
| Levothyroxine Sodium | 160 | 45 |
| Simvastatin | 142 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2011-05-05
Frequently asked questions
- What is Rachael Chambers's NPI number?
- Rachael Chambers's National Provider Identifier (NPI) is 1912976952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachael Chambers's specialty?
- Rachael Chambers is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rachael Chambers located?
- Rachael Chambers's practice location on file with NPPES is 11134 North Hwy 77, Hayward, WI 54843.
- What is Rachael Chambers's phone number?
- The practice phone number listed in the NPPES registry for Rachael Chambers is (715) 634-5505.
- Does Rachael Chambers accept Medicare?
- Rachael Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachael Chambers's NPI active?
- Yes — Rachael Chambers's NPI (1912976952) is active in the NPPES registry as of the last update on 2011-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.