Mark Mishack, MD
NPI 1831191485 · Nephrology Physician · Clinton Township, MI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mishack, MD is a Nephrology Physician provider in Clinton Township, MI (NPI 1831191485).
Provider details
- NPI number
- 1831191485
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MM062491 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
747 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 415 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 229 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 75 | $125 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $161 |
Typical Medicare-allowed amounts for these services range $75–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 318 | 95 |
| Hydralazine Hcl | 56 | 18 |
| Nifedipinebrand: Nifedipine Er | 53 | 19 |
| Amlodipine Besylate | 48 | 20 |
| Hydrochlorothiazide | 47 | 16 |
| Doxazosin Mesylate | 44 | 13 |
| Furosemide | 44 | 16 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-12
- Last updated
- 2009-09-08
Frequently asked questions
- What is Mark Mishack's NPI number?
- Mark Mishack's National Provider Identifier (NPI) is 1831191485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mishack's specialty?
- Mark Mishack is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Mishack located?
- Mark Mishack's practice location on file with NPPES is 15945 19 Mile Rd, Clinton Township, MI 48038-1147.
- What is Mark Mishack's phone number?
- The practice phone number listed in the NPPES registry for Mark Mishack is (586) 228-6603.
- Does Mark Mishack accept Medicare?
- Mark Mishack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mishack's NPI active?
- Yes — Mark Mishack's NPI (1831191485) is active in the NPPES registry as of the last update on 2009-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.