Issac Grinberg, MD
NPI 1790768257 · Cardiovascular Disease Physician · Southfield, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Issac Grinberg, MD is a Cardiovascular Disease Physician provider in Southfield, MI (NPI 1790768257).
Provider details
- NPI number
- 1790768257
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301050938 (MI)
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
20 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
3,840 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 1,321 | $67 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 335 | $3 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 320 | $8 |
| Ultrasound of Heart, Follow-Up93308 | 232 | $24 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 229 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 590 | 177 |
| Atorvastatin Calcium | 537 | 181 |
| Olmesartan Medoxomil | 330 | 123 |
| Apixabanbrand: Eliquis | 292 | 88 |
| Amlodipine Besylate | 274 | 88 |
| Carvedilol | 268 | 91 |
| Olmesartan/Hydrochlorothiazidebrand: Olmesartan-Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,165 across 18 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
- 2005-11-29
- Last updated
- 2014-01-13
Frequently asked questions
- What is Issac Grinberg's NPI number?
- Issac Grinberg's National Provider Identifier (NPI) is 1790768257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Issac Grinberg's specialty?
- Issac Grinberg is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Issac Grinberg located?
- Issac Grinberg's practice location on file with NPPES is 22250 Providence Dr, Southfield, MI 48075-4825.
- What is Issac Grinberg's phone number?
- The practice phone number listed in the NPPES registry for Issac Grinberg is (248) 552-9858.
- Does Issac Grinberg accept Medicare?
- Issac Grinberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Issac Grinberg's NPI active?
- Yes — Issac Grinberg's NPI (1790768257) is active in the NPPES registry as of the last update on 2014-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.