Calla Holmgren, MD
NPI 1194805002 · Maternal & Fetal Medicine Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calla Holmgren, MD is a Maternal & Fetal Medicine Physician provider in Park Ridge, IL (NPI 1194805002).
Provider details
- NPI number
- 1194805002
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 5611159-1205 (UT)
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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2025-04-17
- Certified
- 2025-04-17
Frequently asked questions
- What is Calla Holmgren's NPI number?
- Calla Holmgren's National Provider Identifier (NPI) is 1194805002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calla Holmgren's specialty?
- Calla Holmgren is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calla Holmgren located?
- Calla Holmgren's practice location on file with NPPES is 1875 Dempster St, Park Ridge, IL 60068-1186.
- What is Calla Holmgren's phone number?
- The practice phone number listed in the NPPES registry for Calla Holmgren is (847) 723-8610.
- Does Calla Holmgren accept Medicare?
- Calla Holmgren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calla Holmgren's NPI active?
- Yes — Calla Holmgren's NPI (1194805002) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.