Cheryl Chastine, M.D.
NPI 1831325505 · Family Medicine Physician · Oak Park, IL
Cheryl Chastine, M.D. is a Family Medicine Physician provider in Oak Park, IL (NPI 1831325505).
Provider details
- NPI number
- 1831325505
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 125056559 (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
17 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
- 2009-06-08
- Last updated
- 2012-07-20
Frequently asked questions
- What is Cheryl Chastine's NPI number?
- Cheryl Chastine's National Provider Identifier (NPI) is 1831325505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Chastine's specialty?
- Cheryl Chastine is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cheryl Chastine located?
- Cheryl Chastine's practice location on file with NPPES is 917 S Oak Park Ave, Oak Park, IL 60304-1950.
- What is Cheryl Chastine's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Chastine is (708) 358-0791.
- Is Cheryl Chastine's NPI active?
- Yes — Cheryl Chastine's NPI (1831325505) is active in the NPPES registry as of the last update on 2012-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.