Mathai Karingada, M.D.
NPI 1831125988 · Internal Medicine Physician · Oak Brook, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mathai Karingada, M.D. is a Internal Medicine Physician provider in Oak Brook, IL (NPI 1831125988).
Provider details
- NPI number
- 1831125988
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125046508 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
921 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 | 592 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 159 | $110 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 94 | $127 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 57 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $168 |
Typical Medicare-allowed amounts for these services range $76–$168 (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 |
|---|---|---|
| Furosemide | 150 | 21 |
| Pantoprazole Sodium | 108 | — |
| Atorvastatin Calcium | 106 | — |
| Pioglitazone Hcl | 101 | — |
| Levofloxacin | 38 | 37 |
| Famotidine | 37 | — |
| Prednisone | 36 | 33 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2015-02-24
Frequently asked questions
- What is Mathai Karingada's NPI number?
- Mathai Karingada's National Provider Identifier (NPI) is 1831125988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mathai Karingada's specialty?
- Mathai Karingada is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mathai Karingada located?
- Mathai Karingada's practice location on file with NPPES is 900 Jorie Blvd, Oak Brook, IL 60523-2213.
- What is Mathai Karingada's phone number?
- The practice phone number listed in the NPPES registry for Mathai Karingada is (630) 954-6700.
- Does Mathai Karingada accept Medicare?
- Mathai Karingada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mathai Karingada's NPI active?
- Yes — Mathai Karingada's NPI (1831125988) is active in the NPPES registry as of the last update on 2015-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.