Constance Grau, DO
NPI 1346503448 · Family Medicine Physician · Casper, WY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constance Grau, DO is a Family Medicine Physician provider in Casper, WY (NPI 1346503448).
Provider details
- NPI number
- 1346503448
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 9914A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
358 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 | 53 | $75 |
| Blood Test, Clotting Time85610 | 51 | $4 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 40 | $10 |
| Hemoglobin A1c Level83036 | 35 | $10 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 31 | $76 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 26 | $13 |
| Assessment of Emotional Or Behavioral Problems |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 32 | — |
| Losartan Potassium | 31 | — |
| Lisinopril | 30 | 13 |
| Gabapentin | 30 | 13 |
| Hydrochlorothiazide | 26 | — |
| Atorvastatin Calcium | 23 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-22
- Last updated
- 2020-03-30
- Certified
- 2020-03-30
Frequently asked questions
- What is Constance Grau's NPI number?
- Constance Grau's National Provider Identifier (NPI) is 1346503448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Grau's specialty?
- Constance Grau is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Constance Grau located?
- Constance Grau's practice location on file with NPPES is 1522 E a St, Casper, WY 82601-2217.
- What is Constance Grau's phone number?
- The practice phone number listed in the NPPES registry for Constance Grau is (307) 234-6161.
- Does Constance Grau accept Medicare?
- Constance Grau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constance Grau's NPI active?
- Yes — Constance Grau's NPI (1346503448) is active in the NPPES registry as of the last update on 2020-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.