Hariharan Regunath, M.D.
NPI 1851603617 · Critical Care Medicine (Internal Medicine) Physician · Glen Burnie, MD
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hariharan Regunath, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Glen Burnie, MD (NPI 1851603617).
Provider details
- NPI number
- 1851603617
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2014006559 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
471 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 153 | $218 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 109 | $80 |
| Critical Care, Each Additional 30 Minutes99292 | 64 | $110 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 62 | $50 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 22 | $120 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 1020 Hitt StColumbia, MO 65212-0001Phone: (573) 882-8788Fax: (573) 882-3131
Registry dates
- Enumerated
- 2010-07-09
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Hariharan Regunath's NPI number?
- Hariharan Regunath's National Provider Identifier (NPI) is 1851603617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hariharan Regunath's specialty?
- Hariharan Regunath is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Hariharan Regunath located?
- Hariharan Regunath's practice location on file with NPPES is 301 Hospital Dr, Glen Burnie, MD 21061-5803.
- What is Hariharan Regunath's phone number?
- The practice phone number listed in the NPPES registry for Hariharan Regunath is (410) 787-4000.
- Does Hariharan Regunath accept Medicare?
- Hariharan Regunath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hariharan Regunath's NPI active?
- Yes — Hariharan Regunath's NPI (1851603617) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.