Mitchell Kirsch, M.D.
NPI 1184621500 · Nephrology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mitchell Kirsch, M.D. is a Nephrology Physician provider in Stony Brook, NY (NPI 1184621500).
Provider details
- NPI number
- 1184621500
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 157097 (NY)
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
4,344 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 902 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 472 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 330 | $71 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 319 | $8 |
| Magnesium Level83735 | 308 | $7 |
| Phosphate Level84100 | 301 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Chlorthalidone | 70 | 27 |
| Torsemide | 51 | 20 |
| Dapagliflozin Propanediolbrand: Farxiga | 51 | 14 |
| Potassium Chloride | 46 | 21 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 33 | 13 |
| Finerenonebrand: Kerendia | 27 | — |
| Losartan Potassium | 24 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$661 across 26 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
- 2005-06-30
- Last updated
- 2020-01-17
- Certified
- 2020-01-17
Frequently asked questions
- What is Mitchell Kirsch's NPI number?
- Mitchell Kirsch's National Provider Identifier (NPI) is 1184621500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mitchell Kirsch's specialty?
- Mitchell Kirsch is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mitchell Kirsch located?
- Mitchell Kirsch's practice location on file with NPPES is 2500 Route 347 Bldg 14a, Stony Brook, NY 11790-2554.
- What is Mitchell Kirsch's phone number?
- The practice phone number listed in the NPPES registry for Mitchell Kirsch is (631) 689-7800.
- Does Mitchell Kirsch accept Medicare?
- Mitchell Kirsch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mitchell Kirsch's NPI active?
- Yes — Mitchell Kirsch's NPI (1184621500) is active in the NPPES registry as of the last update on 2020-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.