Jonathan Grinstein
NPI 1396065249 · Advanced Heart Failure and Transplant Cardiology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Advanced Heart Failure and Transplant Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Grinstein is a Advanced Heart Failure and Transplant Cardiology Physician provider in Chicago, IL (NPI 1396065249).
Provider details
- NPI number
- 1396065249
- Entity type
- Individual
- Primary specialty
- Advanced Heart Failure and Transplant Cardiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036132176 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,285 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,011 | $9 |
| Critical Care, First 30-74 Minutes99291 | 88 | $237 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 73 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 30 | $158 |
| Evaluation of Lower Heart Chamber Assist Device93750 | 27 | $46 |
| Biopsy of Heart Muscle93505 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Empagliflozinbrand: Jardiance | 15 |
| Spironolactone | 15 |
| Sacubitril/Valsartanbrand: Entresto | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38,207 across 55 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-02
- Last updated
- 2022-10-24
Frequently asked questions
- What is Jonathan Grinstein's NPI number?
- Jonathan Grinstein's National Provider Identifier (NPI) is 1396065249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Grinstein's specialty?
- Jonathan Grinstein is listed in the NPPES registry with a primary specialty of Advanced Heart Failure and Transplant Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Grinstein located?
- Jonathan Grinstein's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Jonathan Grinstein's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Grinstein is (888) 824-0200.
- Does Jonathan Grinstein accept Medicare?
- Jonathan Grinstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Grinstein's NPI active?
- Yes — Jonathan Grinstein's NPI (1396065249) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.