Richard Willes, M.D.
NPI 1821384264 · Pediatric Cardiology Physician · Marshfield, WI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Willes, M.D. is a Pediatric Cardiology Physician provider in Marshfield, WI (NPI 1821384264).
Provider details
- NPI number
- 1821384264
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17105 (NV)
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 tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (2)
- 3006 S Maryland Pkwy Ste 690Las Vegas, NV 89109-2297Phone: (702) 990-4819Fax: (702) 260-1926
- 9000 W Wisconsin AvePediatric CardiologyMilwaukee, WI 53226-4874Phone: (414) 266-6457Fax: (414) 266-2294
Registry dates
- Enumerated
- 2011-06-23
- Last updated
- 2025-05-09
- Certified
- 2025-04-29
Frequently asked questions
- What is Richard Willes's NPI number?
- Richard Willes's National Provider Identifier (NPI) is 1821384264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Willes's specialty?
- Richard Willes is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Willes located?
- Richard Willes's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449-5703.
- What is Richard Willes's phone number?
- The practice phone number listed in the NPPES registry for Richard Willes is (715) 387-5511.
- Does Richard Willes accept Medicare?
- Richard Willes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Willes's NPI active?
- Yes — Richard Willes's NPI (1821384264) is active in the NPPES registry as of the last update on 2025-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.