NPI registry status
Active
2026 NPPES data Internal Medicine Physician NPI 1295721678 MD
Verify on CMS → Addi Abuelshar, MD
Internal Medicine Physician in Altus, Oklahoma.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 172,737 in Internal Medicine 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
395
Medicare Part D claims · 165 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
91.2/100
▲ 8 pts above national avg 83.5 · Exceptional
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Addi Abuelshar, MD reported a CMS MIPS final score of 91.2/100 - above the 83.5 national average - and filed 395 Medicare Part D claims in 2023.
- 91.2/100
- MIPS score · +8 vs avg
- 395
- Part D claims, 2023
- 88%
- 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.
CMS NPPES provider registry desk
NPI 1295721678 · Internal Medicine Physician
NPI-10 · ENUM-LEGACY · TAX-MEGA · MIPS-ABOVE · RX-LIGHT · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1295721678
- ENUM-LEGACY 2005
- TAX-MEGA 173K Internal Medicine
- MIPS-ABOVE 91.2/100
- RX-LIGHT 395
- BOOK-LIGHT 1,313 in Oklahoma
- PHOTO-FINISH Karen Clark · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Abuelshar · this…
Abuelshar · this provider
91.2 MIPS pts
- Yolette Louis · …
Yolette Louis
91.2 MIPS pts
- Karen Clark · near
Karen Clark
91.2 MIPS pts
- Alunda Hunt · near
Alunda Hunt
91.2 MIPS pts
- Raul Lastimosa ·…
Raul Lastimosa
91.2 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Addi Abuelshar, MD'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.
91 ≥ 61st percentile 61% 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 Addi Abuelshar, MD sits
This provider among internal medicine physician peers
Across the 34,612 internal medicine physician providers who report both Medicare Part D prescribing and a MIPS quality score, Addi Abuelshar, MD writes more Part D claims than 40% of them and scores higher on MIPS quality than 60% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one internal medicine physician peer from a representative sample of 60; the gold marker is Addi Abuelshar, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Addi Abuelshar, MD 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 Addi Abuelshar, MD?
High performer (top quartile)Primary specialty
Internal Medicine Physician
Medicare Part D claims
395 85% vs specialty avg
MIPS final score
91.2/100 7.7 pts vs avg
Specialty distribution in Oklahoma
How Internal Medicine Physician compares to other specialties among Oklahoma providers
Medicare quality performance, MIPS
Addi Abuelshar, MD's 2023 MIPS final score plotted against the Internal Medicine Physician national average
- MIPS Final Score
- 91.2/100
- 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 | 1295721678 |
|---|---|
| Specialty | Internal Medicine Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 09/21/2005 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
91.1858
Final Score
Measured-score avg: 83.5
79.2714
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
Hospital and facility affiliations
Facilities where Addi Abuelshar, MD 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.
Jackson County Memorial Hospital Authority
★★★☆☆ 3/5
Altus, OK
Acute Care Hospitals
CMS CCN: 370022
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Typical
Addi Abuelshar, MD - brand share 12.0%
Internal Medicine Physician average
12% brand-name claims vs 88% generic, on 395 2023 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 2023.
395
Total Claims
$28K
Total Drug Cost
165
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 535
- Total Day Supply
- 11,343
- Brand vs Generic
- 12% brand / 88% generic
- Brand Drug Cost
- $20K
- Generic Drug Cost
- $8K
- Opioid Claims
- 33 (8.4% rate)
- Antibiotic Claims
- 125
Patient Demographics
- Average Patient Age
- 74.9 years
- Avg HCC Risk Score
- 1.80
- Gender Split
- 61% female / 39% male
- Age Distribution
- <65: 22, 65-74: 56, 75-84: 58, 85+: 29
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Addi Abuelshar, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Cefdinir
Cefdinir
54 claims
- Methylprednisolone
Methylprednisolone
27 claims
- Eliquis
Eliquis
26 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
26 claims
- Levofloxacin
Levofloxacin
23 claims
- Furosemide 16
Furosemide
16 claims
- Pantoprazole Sodium 15
Pantoprazole Sodium
15 claims
- Diltiazem 24hr Er … 14
Diltiazem 24hr Er (Cd)
14 claims
| Drug | Claims |
|---|---|
| Cefdinir | 54 |
| Methylprednisolone | 27 |
| Eliquis Apixaban | 26 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 26 |
| Levofloxacin | 23 |
| Furosemide | 16 |
| Pantoprazole Sodium | 15 |
| Diltiazem 24hr Er (Cd) Diltiazem Hcl | 14 |
| Azithromycin | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Internal Medicine Physician Overview
How Addi Abuelshar, MD fits within the Internal Medicine Physician landscape nationally.
172,737
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider
Addi Abuelshar, MD's 395 claims are below the specialty average of 2,716.
Nationwide Internal Medicine Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Abuelshar, both outside Oklahoma so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (91.2 here).
Same NPPES enumeration year (2005)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Internal Medicine Physician Providers in Oklahoma
Other clinicians with the same primary specialty enrolled in Oklahoma, drawn from the same CMS NPPES roster as Abuelshar.
One of 1,313 Internal Medicine Physician providers enrolled in Oklahoma, 5 are shown here.
Abdelrahman Abdalla
Oklahoma City, OK
Dr. Al-Ola Abdallah
M.D
Tulsa, OK
Dr. Tony Abdo
M.D
Oklahoma City, OK
Dr. David Abernethy
M.D.
Oklahoma City, OK
Dr. Ahmed Abou Elmagd
MD
Fort Sill, OK
Compare Internal Medicine Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Addi Abuelshar, MD's specialty? ▼
Addi Abuelshar, MD specializes in Internal Medicine Physician and practices in Altus, Oklahoma. Credentials: MD.
How much does Addi Abuelshar, MD prescribe under Medicare Part D? ▼
In 2023, Addi Abuelshar, MD wrote 395 Medicare Part D claims totaling $28K in drug costs for 165 beneficiaries.
What is Addi Abuelshar, MD's Medicare quality score? ▼
Addi Abuelshar, MD has a CMS MIPS Final Score of 91.2/100 (Quality: 79.3). 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 Addi Abuelshar, MD located? ▼
Addi Abuelshar, MD is located at 1200 E PECAN, Altus, OK, 73521. Phone: (580) 379-5992.
What is Addi Abuelshar, MD's NPI number? ▼
Addi Abuelshar, MD's National Provider Identifier (NPI) is 1295721678, issued on 09/21/2005.
Does Addi Abuelshar, MD prescribe more brand-name or generic drugs? ▼
Addi Abuelshar, MD's prescribing is 12% brand-name and 88% generic drugs by claim count, with $20K in brand drug costs.
Does Addi Abuelshar, MD prescribe opioids? ▼
Yes, Addi Abuelshar, MD had 33 opioid claims in 2023 with an opioid prescribing rate of 8.4%.
How many Internal Medicine Physician providers are there in the US? ▼
There are 172,737 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does Addi Abuelshar, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Addi Abuelshar, MD's most frequently prescribed drugs include Cefdinir, Methylprednisolone, Eliquis. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Addi Abuelshar, MD accept Medicare? ▼
Addi Abuelshar, MD appears in CMS Medicare data with 395 Part D claims and 165 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Addi Abuelshar, MD's credentials? ▼
Addi Abuelshar, MD's NPI is 1295721678 with credentials MD. 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 (2023). 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 April 2026 (NPPES) / 2023 (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 May 2026.