2026 NPPES data Internal Medicine Physician NPI 1336662733 MD
Verify on CMS →

Kamran Ilyas, MD

Internal Medicine Physician in Waterloo, Iowa.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 174,792 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
784
Medicare Part D claims · 323 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
92%
generic claims · 8% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

Kamran Ilyas, MD filed 784 Medicare Part D claims in 2024 as an Internal Medicine Physician in Waterloo, Iowa, prescribing 92% generic.

784
Part D claims, 2024
92%
generic prescribing
Likely
board-certified (heuristic)
≥70th
pct by Part D claim volume (lower-bound band)

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 Kamran Ilyas, MD

Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.

  • Verified

    NPI registry status

    Active listing in the CMS National Provider Identifier Registry (NPI 1336662733), first enumerated 07/18/2017.

    Source: CMS NPPES

  • Reported

    Medicare Part D participation

    Filed 784 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.

    Source: CMS Part D Prescriber PUF

  • 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.

    Source: NUCC taxonomy + CMS participation heuristic

  • Reported

    Hospital affiliations

    11 CMS Care Compare hospital affiliations on record — practice footprint from the Doctors and Clinicians file.

    Source: CMS Care Compare

  • 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.

Compare Ilyas with other Internal Medicine Physician providers

Same primary specialty, same federal CMS NPPES roster.

All 45 Internal Medicine Physician providers in Waterloo, IA →

Also enrolled in Iowa

Other specialties in Waterloo: Pharmacist (116) · Family Medicine Physician (91) · Nurse Practitioner (79) · Family Nurse Practitioner (75)

CMS NPPES provider registry desk

NPI 1336662733 · Internal Medicine Physician

NPI-10 · ENUM-RECENT · TAX-MEGA · RX-LIGHT · BOOK-LIGHT · PHOTO-ENUM

  • NPI-10 1336662733
  • ENUM-RECENT 2017
  • TAX-MEGA 175K Internal Medicine
  • RX-LIGHT 784
  • BOOK-LIGHT 1,338 in Iowa
  • PHOTO-ENUM Rahul Kapil, MD · 2017

Kamran Ilyas, MD's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2024, across all CMS prescribers nationally

784 ≥ 70th percentile 70% of 1,416,883 prescribers are in lower value bands

0–200: 679,947 prescribers (48%). Below this entry. 200–400: 188,835 prescribers (13%). Below this entry. 400–600: 95,866 prescribers (7%). Below this entry. 600–800: 60,107 prescribers (4%). This entry sits in this band. 800–1,000: 43,043 prescribers (3%). Above this entry. 1,000–1,200: 33,612 prescribers (2%). Above this entry. 1,200–1,400: 27,889 prescribers (2%). Above this entry. 1,400–1,600: 23,183 prescribers (2%). Above this entry. 1,600–1,800: 19,917 prescribers (1%). Above this entry. 1,800–2,000: 17,585 prescribers (1%). Above this entry. 2K+: 226,899 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. 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 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.

Source CMS Medicare Part D Prescriber Public Use File · 2024

✓
Board certification likely (heuristic, not verified)

Kamran Ilyas, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 11 hospital affiliations - 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 Kamran Ilyas, MD?

Quality data not reported

NPI registry status

Active

Issued 07/18/2017

NPI 1336662733

Primary specialty

Internal Medicine Physician

High-volume

174,792 US NPIs in this specialty

Medicare Part D claims

784 72% vs specialty avg

2024 prescription claims

Specialty avg: 2,785

Specialty distribution in Iowa

How Internal Medicine Physician compares to other specialties among Iowa providers

Iowa providers
Pharmacist6.5%Physical Therapist5.4%Mental Health Counselor5%Family Medicine Physician4.7%Clinical Social Worker4.2%Chiropractor4.1%Internal Medicine Physician2.7%
Largest specialties in Iowa (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Internal Medicine Physician. Verify directly:

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

1825 LOGAN AVE
Waterloo, IA 50703

Provider Details

NPI 1336662733
Specialty Internal Medicine Physician
Credentials MD
Gender Male
NPI Issued 07/18/2017

Hospital and facility affiliations

Facilities where Kamran Ilyas, 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.

According to CMS billing records, Kamran Ilyas, MD is affiliated with 11 Medicare-billing facilities across 2 states, 1 of which carry a CMS Hospital overall star rating.

Grinnell Regional Medical Center
★★☆☆☆ 2/5
Cedar Falls, IA
Acute Care Hospitals
CMS CCN: 160147
Carris Health - Redwood LLC
Redwood Falls, MN
Carris Health LLC
Willmar, MN
Centracare Health System - Long Prairie
Long Prairie, MN
Critical Access Hospitals
CMS CCN: 241326
Centracare Health System - Melrose
Melrose, MN
Centracare Health System - Sauk Centre
Sauk Centre, MN
Critical Access Hospitals
CMS CCN: 241368
Centracare Health System-NR LLC
Monticello, MN
Centracare Health-Paynesville LLC
Paynesville, MN
Iowa Physicians Clinic Medical Foundation
Waterloo, IA
The Finley Hospital
Dubuque, IA
Unified Therapy Services, Inc
Dubuque, IA

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 · Generic-heavy

Kamran Ilyas, MD - brand share 8.0%
Internal Medicine Physician average

8% brand-name claims vs 92% generic, on 784 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.

784
Total Claims
$29K
Total Drug Cost
323
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
804.2
Total Day Supply
15,191
Brand vs Generic
8% brand / 92% generic
Brand Drug Cost
$19K
Generic Drug Cost
$10K
Opioid Claims
46 (5.9% rate)
Antibiotic Claims
172

Patient Demographics

Average Patient Age
73.3 years
Avg HCC Risk Score
2.30
Gender Split
52% female / 48% male
Age Distribution
<65: 52, 65-74: 119, 75-84: 101, 85+: 51

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.

What Kamran Ilyas, MD prescribes most

Top Medicare Part D drugs by claim count, 2024

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2024
Drug Claims
Cefuroxime
Cefuroxime Axetil
52
Prednisone
46
Furosemide
38
Pantoprazole Sodium
28
Amoxicillin-Clavulanate Potass
Amoxicillin/Potassium Clav
24
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
23
Clopidogrel
Clopidogrel Bisulfate
20
Levofloxacin
20
Metoprolol Tartrate
20
Hydralazine Hcl
18

* 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 Kamran Ilyas, MD fits within the Internal Medicine Physician landscape nationally.

174,792
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,785
Avg Claims per Provider

Kamran Ilyas, MD's 784 claims are below the specialty average of 2,785.

Nationwide Internal Medicine Physician peers with similar MIPS or enrollment year

Two federal-record peer sets for Ilyas, both outside Iowa so the neighborhoods are not geographic containment.

Same NPPES enumeration year (2017)

Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.

Nearby Internal Medicine Physician Providers in Iowa

Other clinicians with the same primary specialty enrolled in Iowa, drawn from the same CMS NPPES roster as Ilyas.

One of 1,338 Internal Medicine Physician providers enrolled in Iowa, 11 are shown on this page.

Compare Internal Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is Kamran Ilyas, MD's specialty? ▼
Kamran Ilyas, MD specializes in Internal Medicine Physician and practices in Waterloo, Iowa. Credentials: MD.
How much does Kamran Ilyas, MD prescribe under Medicare Part D? ▼
In 2024, Kamran Ilyas, MD wrote 784 Medicare Part D claims totaling $29K in drug costs for 323 beneficiaries.
Where is Kamran Ilyas, MD located? ▼
Kamran Ilyas, MD is located at 1825 LOGAN AVE, Waterloo, IA, 50703. Phone: (319) 235-3941.
What is Kamran Ilyas, MD's NPI number? ▼
Kamran Ilyas, MD's National Provider Identifier (NPI) is 1336662733, issued on 07/18/2017.
Does Kamran Ilyas, MD prescribe more brand-name or generic drugs? ▼
Kamran Ilyas, MD's prescribing is 8% brand-name and 92% generic drugs by claim count, with $19K in brand drug costs.
Does Kamran Ilyas, MD prescribe opioids? ▼
Yes, Kamran Ilyas, MD had 46 opioid claims in 2024 with an opioid prescribing rate of 5.9%.
How many Internal Medicine Physician providers are there in the US? ▼
There are 174,792 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,785 Medicare Part D claims per year.
What drugs does Kamran Ilyas, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Kamran Ilyas, MD's most frequently prescribed drugs include Cefuroxime, Prednisone, Furosemide. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Kamran Ilyas, MD accept Medicare? ▼
Kamran Ilyas, MD appears in CMS Medicare data with 784 Part D claims and 323 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Kamran Ilyas, MD's credentials? ▼
Kamran Ilyas, MD's NPI is 1336662733 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 (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
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.