Eli Grunblatt, MD, PHD
NPI 1558010413 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eli Grunblatt, MD, PHD is a Internal Medicine Physician provider in Chicago, IL (NPI 1558010413).
Provider details
- NPI number
- 1558010413
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
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
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-03-19
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is Eli Grunblatt's NPI number?
- Eli Grunblatt's National Provider Identifier (NPI) is 1558010413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eli Grunblatt's specialty?
- Eli Grunblatt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eli Grunblatt located?
- Eli Grunblatt's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Eli Grunblatt's phone number?
- The practice phone number listed in the NPPES registry for Eli Grunblatt is (312) 926-2000.
- Does Eli Grunblatt accept Medicare?
- Eli Grunblatt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eli Grunblatt's NPI active?
- Yes — Eli Grunblatt's NPI (1558010413) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.