Madeline Hellendag, M.D.
NPI 1912396615 · Obstetrics & Gynecology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madeline Hellendag, M.D. is a Obstetrics & Gynecology Physician provider in Minneapolis, MN (NPI 1912396615).
Provider details
- NPI number
- 1912396615
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 2425 Geary BlvdSan Francisco, CA 94115-3358Phone: (415) 833-2000
Registry dates
- Enumerated
- 2015-01-19
- Last updated
- 2019-08-16
Frequently asked questions
- What is Madeline Hellendag's NPI number?
- Madeline Hellendag's National Provider Identifier (NPI) is 1912396615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeline Hellendag's specialty?
- Madeline Hellendag is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Madeline Hellendag located?
- Madeline Hellendag's practice location on file with NPPES is 121 S 8th St Ste 600, Minneapolis, MN 55402-2825.
- What is Madeline Hellendag's phone number?
- The practice phone number listed in the NPPES registry for Madeline Hellendag is (612) 833-4822.
- Does Madeline Hellendag accept Medicare?
- Madeline Hellendag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madeline Hellendag's NPI active?
- Yes — Madeline Hellendag's NPI (1912396615) is active in the NPPES registry as of the last update on 2019-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.