Mary Hegstrom, D.O.
NPI 1841586799 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hegstrom, D.O. is a Family Medicine Physician provider in Chicago, IL (NPI 1841586799).
Provider details
- NPI number
- 1841586799
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036134967 (IL)
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
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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Gabapentin | 25 |
| Metformin Hcl | 25 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 |
| Ibuprofen | 19 |
| Atorvastatin Calcium | 17 |
| Lisinopril | 17 |
| Glipizidebrand: Glipizide Er | 14 |
| Amlodipine Besylate | 13 |
| Ipratropium Bromidebrand: Atrovent Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-20
- Last updated
- 2016-10-17
Frequently asked questions
- What is Mary Hegstrom's NPI number?
- Mary Hegstrom's National Provider Identifier (NPI) is 1841586799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hegstrom's specialty?
- Mary Hegstrom is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Hegstrom located?
- Mary Hegstrom's practice location on file with NPPES is 3860 W Ogden Ave, Chicago, IL 60623-2460.
- What is Mary Hegstrom's phone number?
- The practice phone number listed in the NPPES registry for Mary Hegstrom is (872) 588-3000.
- Does Mary Hegstrom accept Medicare?
- Mary Hegstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hegstrom's NPI active?
- Yes — Mary Hegstrom's NPI (1841586799) is active in the NPPES registry as of the last update on 2016-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.