Reena Karnik
NPI 1851593503 · Internal Medicine Physician · Mckeesport, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reena Karnik is a Internal Medicine Physician provider in Mckeesport, PA (NPI 1851593503).
Provider details
- NPI number
- 1851593503
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- MD431311 (PA)
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
19 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
69 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 | 40 | $74 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 16 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 | $124 |
Typical Medicare-allowed amounts for these services range $74–$124 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 228 | 79 |
| Amlodipine Besylate | 149 | 47 |
| Pantoprazole Sodium | 111 | 39 |
| Gabapentin | 83 | 27 |
| Apixabanbrand: Eliquis | 76 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 72 | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-04
- Last updated
- 2021-04-06
Frequently asked questions
- What is Reena Karnik's NPI number?
- Reena Karnik's National Provider Identifier (NPI) is 1851593503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reena Karnik's specialty?
- Reena Karnik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Reena Karnik located?
- Reena Karnik's practice location on file with NPPES is 1500 5th Ave, Mckeesport, PA 15132-2422.
- What is Reena Karnik's phone number?
- The practice phone number listed in the NPPES registry for Reena Karnik is (412) 664-2782.
- Does Reena Karnik accept Medicare?
- Reena Karnik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reena Karnik's NPI active?
- Yes — Reena Karnik's NPI (1851593503) is active in the NPPES registry as of the last update on 2021-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.