Vinay Kumar, MD
NPI 1639138217 · Internal Medicine Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vinay Kumar, MD is a Internal Medicine Physician provider in Oak Lawn, IL (NPI 1639138217).
Provider details
- NPI number
- 1639138217
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-074427 (IL)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
773 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 50 Minutes99233 | 564 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 116 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 71 | $169 |
| Critical Care, First 30-74 Minutes99291 | 22 | $220 |
Typical Medicare-allowed amounts for these services range $113–$220 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 22 | 22 |
| Metoprolol Succinate | 17 | 17 |
| Atorvastatin Calcium | 16 | 13 |
| Carvedilol | 14 | 12 |
| Prednisone | 14 | 13 |
| Pantoprazole Sodium | 13 | 11 |
| Furosemide | 12 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 2555 S Martin L King DrChicago, IL 60616-2419Phone: (800) 356-6747
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2025-03-05
- Certified
- 2025-03-05
Frequently asked questions
- What is Vinay Kumar's NPI number?
- Vinay Kumar's National Provider Identifier (NPI) is 1639138217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vinay Kumar's specialty?
- Vinay Kumar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vinay Kumar located?
- Vinay Kumar's practice location on file with NPPES is 4440 W 95th St Ste 1128m, Oak Lawn, IL 60453-2600.
- What is Vinay Kumar's phone number?
- The practice phone number listed in the NPPES registry for Vinay Kumar is (312) 609-0300.
- Does Vinay Kumar accept Medicare?
- Vinay Kumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vinay Kumar's NPI active?
- Yes — Vinay Kumar's NPI (1639138217) is active in the NPPES registry as of the last update on 2025-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.