Myuren Gunaratnam, M.D.
NPI 1972979094 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Myuren Gunaratnam, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1972979094).
Provider details
- NPI number
- 1972979094
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 131446 (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
10 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
523 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 | 201 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 137 | $114 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 121 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 64 | $166 |
Typical Medicare-allowed amounts for these services range $75–$166 (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 |
|---|---|---|
| Prednisone | 22 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 17 |
| Pantoprazole Sodium | 15 | 15 |
| Atorvastatin Calcium | 13 | 13 |
| Metoprolol Succinate | 12 | 12 |
| Metoprolol Tartrate | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-08-12
- Last updated
- 2018-08-22
Frequently asked questions
- What is Myuren Gunaratnam's NPI number?
- Myuren Gunaratnam's National Provider Identifier (NPI) is 1972979094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Myuren Gunaratnam's specialty?
- Myuren Gunaratnam is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Myuren Gunaratnam located?
- Myuren Gunaratnam's practice location on file with NPPES is 1500 S. California Ave., Chicago, IL 60608.
- What is Myuren Gunaratnam's phone number?
- The practice phone number listed in the NPPES registry for Myuren Gunaratnam is (773) 542-2000.
- Does Myuren Gunaratnam accept Medicare?
- Myuren Gunaratnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Myuren Gunaratnam's NPI active?
- Yes — Myuren Gunaratnam's NPI (1972979094) is active in the NPPES registry as of the last update on 2018-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.