Mathai Chalunkal, MD, MRCP(UK)
NPI 1417148677 · Internal Medicine Physician · Bethlehem, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mathai Chalunkal, MD, MRCP(UK) is a Internal Medicine Physician provider in Bethlehem, PA (NPI 1417148677).
Provider details
- NPI number
- 1417148677
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MRCP(UK)
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD 434984 (PA)
Specialties & taxonomies
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
18 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
495 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 | 243 | $78 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 76 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 62 | $171 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 48 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 54 | 17 |
| Lisinopril | 41 | 12 |
| Gabapentin | 38 | 11 |
| Metformin Hcl | 24 | — |
| Pantoprazole Sodium | 23 | — |
| Amlodipine Besylate | 21 | — |
| Furosemide | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-05
- Last updated
- 2024-08-19
- Certified
- 2024-08-19
Frequently asked questions
- What is Mathai Chalunkal's NPI number?
- Mathai Chalunkal's National Provider Identifier (NPI) is 1417148677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mathai Chalunkal's specialty?
- Mathai Chalunkal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mathai Chalunkal located?
- Mathai Chalunkal's practice location on file with NPPES is 801 Ostrum St, Bethlehem, PA 18015-1000.
- What is Mathai Chalunkal's phone number?
- The practice phone number listed in the NPPES registry for Mathai Chalunkal is (610) 954-4644.
- Does Mathai Chalunkal accept Medicare?
- Mathai Chalunkal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mathai Chalunkal's NPI active?
- Yes — Mathai Chalunkal's NPI (1417148677) is active in the NPPES registry as of the last update on 2024-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.