Karl Molenaar, M.D.
NPI 1083632970 · Family Medicine Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Molenaar, M.D. is a Family Medicine Physician provider in Rochester, MN (NPI 1083632970).
Provider details
- NPI number
- 1083632970
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29085 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 343 | 343 |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 276 | 215 |
| Diphth,pertuss(acell),tet Vacbrand: Boostrix Tdap | 185 | 184 |
| Atorvastatin Calcium | 155 | 59 |
| Olmesartan Medoxomil | 58 | 29 |
| Amlodipine Besylate | 51 | 23 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2013-02-21
Frequently asked questions
- What is Karl Molenaar's NPI number?
- Karl Molenaar's National Provider Identifier (NPI) is 1083632970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Molenaar's specialty?
- Karl Molenaar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Molenaar located?
- Karl Molenaar's practice location on file with NPPES is 210 9th St Se, Rochester, MN 55904-6756.
- What is Karl Molenaar's phone number?
- The practice phone number listed in the NPPES registry for Karl Molenaar is (507) 288-3443.
- Does Karl Molenaar accept Medicare?
- Karl Molenaar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Molenaar's NPI active?
- Yes — Karl Molenaar's NPI (1083632970) is active in the NPPES registry as of the last update on 2013-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.