NPI registry status
Active
2026 NPPES data Hospitalist Physician NPI 1417148677 MD, MRCP(UK)
Verify on CMS → Mathai Chalunkal, MD, MRCP(UK)
Hospitalist Physician in Bethlehem, Pennsylvania.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 17,950 in Hospitalist Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
673
Medicare Part D claims · 125 beneficiaries · Hospitalist Physician avg: 940
Generic prescribing
84%
generic claims · 13% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
95.6/100
▲ 12 pts above national avg 83.5 · Exceptional
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Mathai Chalunkal, MD, MRCP(UK) reported a CMS MIPS final score of 95.6/100 - above the 83.5 national average - and filed 673 Medicare Part D claims in 2024.
- 95.6/100
- MIPS score · +12 vs avg
- 673
- Part D claims, 2024
- 84%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Mathai Chalunkal, MD, MRCP(UK)
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1417148677), first enumerated 08/05/2007.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 673 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 95.6/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- State context
State board disciplinary context
Pennsylvania statewide board action statistics are published annually — these figures describe aggregate state activity, not Mathai Chalunkal, MD, MRCP(UK)'s individual license status. Verify directly with the state medical board.
Source: PA-BOM annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1417148677 · Hospitalist Physician
NPI-10 · ENUM-MID · TAX-MID · MIPS-ELITE · RX-LIGHT · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1417148677
- ENUM-MID 2007
- TAX-MID 18K Hospitalist Physician
- MIPS-ELITE 95.6/100
- RX-LIGHT 673
- BOOK-LIGHT 771 in Pennsylvania
- PHOTO-FINISH Henry Ayiku · ±0.1
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Chalunkal · this…
Chalunkal · this provider
95.6 MIPS pts
- Anthony Cabrera …
Anthony Cabrera
95.7 MIPS pts
- Henry Ayiku · near
Henry Ayiku
95.7 MIPS pts
- Robin Bauer · near
Robin Bauer
95.7 MIPS pts
- Daniel Brewer · …
Daniel Brewer
95.7 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Mathai Chalunkal, MD, MRCP(UK)'s MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
96 ≥ 78th percentile 78% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Mathai Chalunkal, MD, MRCP(UK) sits
This provider among hospitalist physician peers
Across the 4,317 hospitalist physician providers who report both Medicare Part D prescribing and a MIPS quality score, Mathai Chalunkal, MD, MRCP(UK) writes more Part D claims than 86% of them and scores higher on MIPS quality than 82% - placing this provider in the high-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one hospitalist physician peer from a representative sample of 60; the gold marker is Mathai Chalunkal, MD, MRCP(UK). Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Mathai Chalunkal, MD, MRCP(UK) practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Mathai Chalunkal, MD, MRCP(UK)?
High performer (top quartile)Primary specialty
Hospitalist Physician
Medicare Part D claims
673 28% vs specialty avg
MIPS final score
95.6/100 12.1 pts vs avg
Specialty distribution in Pennsylvania
How Hospitalist Physician compares to other specialties among Pennsylvania providers
Medicare quality performance, MIPS
Mathai Chalunkal, MD, MRCP(UK)'s 2023 MIPS final score plotted against the Hospitalist Physician national average
- MIPS Final Score
- 95.6/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1417148677 |
|---|---|
| Specialty | Hospitalist Physician |
| Credentials | MD, MRCP(UK) |
| Gender | Male |
| NPI Issued | 08/05/2007 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
95.6426
Final Score
Measured-score avg: 83.5
80.5735
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
Hospital and facility affiliations
Facilities where Mathai Chalunkal, MD, MRCP(UK) bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
St Lukes Physician Group Inc
Easton, PA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
License & disciplinary context - Pennsylvania PA-BOM 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~45K Pennsylvania medical licensees in 2023 - they are NOT specific to Mathai Chalunkal, MD, MRCP(UK). To verify Mathai Chalunkal, MD, MRCP(UK)'s current license status, search the PA-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
133
Total board actions, Pennsylvania 2023
Across 129 cases
2.96
Actions per 1,000 licensees
Pennsylvania statewide rate
probation
Most common action type
48 cases
PA-BOM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Pennsylvania disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Mathai Chalunkal, MD, MRCP(UK) - brand share 13.0%
Hospitalist Physician average
13% brand-name claims vs 84% generic, on 673 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
673
Total Claims
$60K
Total Drug Cost
125
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,295.133
- Total Day Supply
- 37,384
- Brand vs Generic
- 13% brand / 84% generic
- Brand Drug Cost
- $52K
- Generic Drug Cost
- $7K
- Opioid Claims
- 22 (3.3% rate)
- Antibiotic Claims
- 11
Patient Demographics
- Average Patient Age
- 71.3 years
- Avg HCC Risk Score
- 1.63
- Gender Split
- 56% female / 44% male
- Age Distribution
- <65: 27, 65-74: 53, 75-84: 31, 85+: 14
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Mathai Chalunkal, MD, MRCP(UK) prescribes most
Top Medicare Part D drugs by claim count, 2024
- Atorvastatin Calcium
Atorvastatin Calcium
54 claims
- Lisinopril
Lisinopril
41 claims
- Gabapentin
Gabapentin
38 claims
- Metformin Hcl
Metformin Hcl
24 claims
- Pantoprazole Sodium
Pantoprazole Sodium
23 claims
- Amlodipine Besylate 21
Amlodipine Besylate
21 claims
- Furosemide 20
Furosemide
20 claims
- Alprazolam 19
Alprazolam
19 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 54 |
| Lisinopril | 41 |
| Gabapentin | 38 |
| Metformin Hcl | 24 |
| Pantoprazole Sodium | 23 |
| Amlodipine Besylate | 21 |
| Furosemide | 20 |
| Alprazolam | 19 |
| Carvedilol | 19 |
| Levothyroxine Sodium | 15 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Hospitalist Physician Overview
How Mathai Chalunkal, MD, MRCP(UK) fits within the Hospitalist Physician landscape nationally.
17,950
Hospitalist Physician Providers in US
54
States with Hospitalist Physician
940
Avg Claims per Provider
Mathai Chalunkal, MD, MRCP(UK)'s 673 claims are below the specialty average of 940.
Nationwide Hospitalist Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Chalunkal, both outside Pennsylvania so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (95.6 here).
Same NPPES enumeration year (2007)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Hospitalist Physician Providers in Pennsylvania
Other clinicians with the same primary specialty enrolled in Pennsylvania, drawn from the same CMS NPPES roster as Chalunkal.
One of 771 Hospitalist Physician providers enrolled in Pennsylvania, 5 are shown here.
Dr. Mohamed Abdelnaby
MD
Allentown, PA
Dr. Waheed Abdul
MD
Wilkes Barre, PA
Dr. Fnu Abhishek
MD
Greensburg, PA
Dr. Andrew Abouzeid
DO
Hershey, PA
Dr. Basilio Addo
M.D
York, PA
Compare Hospitalist Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Mathai Chalunkal, MD, MRCP(UK)'s specialty? ▼
Mathai Chalunkal, MD, MRCP(UK) specializes in Hospitalist Physician and practices in Bethlehem, Pennsylvania. Credentials: MD, MRCP(UK).
How much does Mathai Chalunkal, MD, MRCP(UK) prescribe under Medicare Part D? ▼
In 2024, Mathai Chalunkal, MD, MRCP(UK) wrote 673 Medicare Part D claims totaling $60K in drug costs for 125 beneficiaries.
What is Mathai Chalunkal, MD, MRCP(UK)'s Medicare quality score? ▼
Mathai Chalunkal, MD, MRCP(UK) has a CMS MIPS Final Score of 95.6/100 (Quality: 80.6). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Mathai Chalunkal, MD, MRCP(UK) located? ▼
Mathai Chalunkal, MD, MRCP(UK) is located at 801 OSTRUM ST, Bethlehem, PA, 18015. Phone: (610) 954-4644.
What is Mathai Chalunkal, MD, MRCP(UK)'s NPI number? ▼
Mathai Chalunkal, MD, MRCP(UK)'s National Provider Identifier (NPI) is 1417148677, issued on 08/05/2007.
Does Mathai Chalunkal, MD, MRCP(UK) prescribe more brand-name or generic drugs? ▼
Mathai Chalunkal, MD, MRCP(UK)'s prescribing is 13% brand-name and 84% generic drugs by claim count, with $52K in brand drug costs.
Does Mathai Chalunkal, MD, MRCP(UK) prescribe opioids? ▼
Yes, Mathai Chalunkal, MD, MRCP(UK) had 22 opioid claims in 2024 with an opioid prescribing rate of 3.3%.
How many Hospitalist Physician providers are there in the US? ▼
There are 17,950 Hospitalist Physician providers across 54 states in the US. The average Hospitalist Physician provider writes 940 Medicare Part D claims per year.
What drugs does Mathai Chalunkal, MD, MRCP(UK) prescribe most often? ▼
Based on 2024 Medicare Part D data, Mathai Chalunkal, MD, MRCP(UK)'s most frequently prescribed drugs include Atorvastatin Calcium, Lisinopril, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Mathai Chalunkal, MD, MRCP(UK) accept Medicare? ▼
Mathai Chalunkal, MD, MRCP(UK) appears in CMS Medicare data with 673 Part D claims and 125 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Mathai Chalunkal, MD, MRCP(UK)'s credentials? ▼
Mathai Chalunkal, MD, MRCP(UK)'s NPI is 1417148677 with credentials MD, MRCP(UK). You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.