Theodore Groskreutz, MD
NPI 1982703948 · Family Medicine Physician · Chaska, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Groskreutz, MD is a Family Medicine Physician provider in Chaska, MN (NPI 1982703948).
Provider details
- NPI number
- 1982703948
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21831 (MN)
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
19 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
1,202 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 257 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 205 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 98 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 94 | $127 |
| Blood Test, Clotting Time85610 | 86 | $4 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 79 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 418 | 116 |
| Lisinopril | 274 | 76 |
| Simvastatin | 272 | 70 |
| Amlodipine Besylate | 254 | 75 |
| Omeprazole | 223 | 66 |
| Rosuvastatin Calcium | 205 | 62 |
| Tamsulosin Hcl | 185 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is Theodore Groskreutz's NPI number?
- Theodore Groskreutz's National Provider Identifier (NPI) is 1982703948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Groskreutz's specialty?
- Theodore Groskreutz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Groskreutz located?
- Theodore Groskreutz's practice location on file with NPPES is 111 Hundertmark Rd, Chaska, MN 55318-4551.
- What is Theodore Groskreutz's phone number?
- The practice phone number listed in the NPPES registry for Theodore Groskreutz is (952) 448-2050.
- Does Theodore Groskreutz accept Medicare?
- Theodore Groskreutz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Groskreutz's NPI active?
- Yes — Theodore Groskreutz's NPI (1982703948) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.