Ayham Alagha, M.D.
NPI 1851779151 · Hospitalist Physician · Arlington Heights, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ayham Alagha, M.D. is a Hospitalist Physician provider in Arlington Heights, IL (NPI 1851779151).
Provider details
- NPI number
- 1851779151
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036145518 (IL)
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 tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
366 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 134 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 92 | $115 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 62 | $128 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 57 | $110 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 21 | $79 |
Typical Medicare-allowed amounts for these services range $77–$128 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$112 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 4201 W Medical Center DrMchenry, IL 60050-8409Phone: (815) 759-4323Fax: (815) 759-4948
- 3 Erie Ct Ste L700Oak Park, IL 60302-2519Phone: (708) 763-1222Fax: (708) 763-1471
- 20201 Crawford AveOlympia Fields, IL 60461-1010Phone: (844) 740-4445
Registry dates
- Enumerated
- 2015-05-07
- Last updated
- 2023-10-27
- Certified
- 2021-07-08
Frequently asked questions
- What is Ayham Alagha's NPI number?
- Ayham Alagha's National Provider Identifier (NPI) is 1851779151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ayham Alagha's specialty?
- Ayham Alagha is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ayham Alagha located?
- Ayham Alagha's practice location on file with NPPES is 800 W Central Rd, Arlington Heights, IL 60005-2349.
- What is Ayham Alagha's phone number?
- The practice phone number listed in the NPPES registry for Ayham Alagha is (877) 635-9229.
- Does Ayham Alagha accept Medicare?
- Ayham Alagha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ayham Alagha's NPI active?
- Yes — Ayham Alagha's NPI (1851779151) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.