Dr. Osama G. Ayad, FACP, MD

  • Hobart, IN
  • Internist
NPI1427162288PAC ID3476520271
Medicare services, 2024
2,000
Medicare patients, 2024
321
Part D claims, 2024
1,521
Hospital affiliations
4
Industry payments
$18
Practice address
1500 S Lake Park Ave, Hobart, IN 46342
Practice phone
Call (219) 942-0551
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

St Mary Medical Center (IN)

Hobart, Indiana

See all 6 affiliations

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Dr. Osama G. Ayad is an internist in Hobart, Indiana

Dr. Ayad practices at St Mary Medical Center (IN) in Hobart, Indiana.

Dr. Ayad's NPI, 1427162288, was assigned on August 18, 2006. Dr. Ayad holds Indiana license 01066512A.

NPI and contact details
Medicare PAC ID
3476520271
NPI enumeration date
August 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(219) 942-0551
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Osama G. Ayad practices at St Mary Medical Center (IN) in Hobart, Indiana

Dr. Ayad's primary practice is St Mary Medical Center (IN), at 1500 S Lake Park Ave, Hobart, IN 46342 in Lake County. The practice phone is (219) 942-0551.

  • St Mary Medical Center (IN)
    1500 S Lake Park Ave, Hobart, IN 46342 · Lake CountyPhone(219) 942-0551

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Osama G. Ayad is affiliated with 6 sites of care

Dr. Ayad's primary practice is St Mary Medical Center (IN) in Hobart, Indiana. Dr. Ayad is also affiliated with St. Mary Medical Center. Dmand AI also links Dr. Ayad to 3 more hospitals and 1 physician office, each named with a free account.

See all 6 affiliations for Dr. Ayad

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Osama G. Ayad's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayad practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St Mary Medical Center (IN)Available with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Osama G. Ayad is one of 1,987 internists in Indiana

Internal medicine is Dr. Ayad's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ayad is licensed in Indiana.

Specialties and state licenses

  • Internal medicine, IndianaPrimaryLicense 01066512A · taxonomy 207R00000X

Internists near Dr. Ayad

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Osama G. Ayad billed Medicare for 2,000 services in 2024

CMS data shows 2,000 Medicare services from Dr. Ayad across 6 procedure codes in 2024, for 321 Medicare patients. Medicare paid $130,434 for them.

Medicare services, 20242,000
Medicare patients321
Paid by Medicare$130,434
Procedure codes6

Dr. Ayad's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5732024: 1,951240%
Other services
2023: 272024: 4981%

Where Dr. Ayad's Medicare services took place, 2024

  • In an office492%
  • In a facility1,95198%

Dr. Ayad compared with the Indiana median for internists, 2024

  • Dr. Ayad
  • Indiana median
Medicare services
2,000vs 5203.8 times
Medicare patients
321vs 21251% above
Part D claims
1,139vs 1597.2 times

Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.

Dr. Ayad's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ayad

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Osama G. Ayad treated 321 Medicare patients in 2024, average age 78

CMS counts 321 Medicare patients who saw Dr. Ayad in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ayad's median patient age at 76, with 57% women.

Medicare patients, 2024321
Average age78
Average risk score2.59
Also on Medicaid22%

Dr. Ayad's Medicare patients by age, 2024

Dr. Ayad's Medicare patients by sex, 2024

  • Women20664%
  • Men11536%

Chronic conditions among Dr. Ayad's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis72%
  4. Ischemic heart disease56%
  5. Heart failure55%
  6. Diabetes51%
  7. Mood disorders51%
  8. COPD49%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ayad's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Osama G. Ayad wrote 1,521 Medicare Part D claims in 2024

In 2024, Dr. Ayad wrote 1,521 Medicare Part D claims for 415 patients. 90% of them were for generic drugs. CMS names the drug for 1,139 of them, across 46 drugs with 11 or more claims each, at $253,071 in total drug cost. In 2023, CMS named 942 claims across 36 drugs.

Part D claims, 20241,521
Drugs named by CMS46
Total drug cost$253,071
Part D patients415

Dr. Ayad's Part D claims by kind of drug, 2024

  • Generic1,371 claims90%
  • Brand-name and other150 claims10%

Dr. Ayad's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ayad's Part D claims, 2024

  • Opioids3%51 of 1,521 claims
  • Antibiotics16%249 of 1,521 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9422024: 1,13921%

Drugs named by CMS: 46 in 2024, 36 in 2023.

See all prescribing by Dr. Ayad

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Osama G. Ayad takes part in Medicare

Dr. Ayad accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Osama G. Ayad received $18 in industry payments in 2022

CMS Open Payments shows 2 general payments to Dr. Ayad from 2 drug and device companies in 2022. Education make up the largest share, 82% of the total. HEMA Biologics, LLC paid the most, $15.

General payments to Dr. Ayad by kind, 2022 to 2022

$18in total
  • Education$1582%
  • Food and beverage$318%

Companies that paid Dr. Ayad the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Ayad

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Osama G. Ayad's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Osama G. Ayad

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Osama G. Ayad's NPI number?

Dr. Osama G. Ayad's NPI number is 1427162288. It was assigned on August 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Osama G. Ayad?

Dr. Osama G. Ayad is an internist in Hobart, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Osama G. Ayad practice?

Dr. Ayad practices at 1500 S Lake Park Ave, Hobart, IN 46342. Dr. Ayad's primary practice is St Mary Medical Center (IN) in Hobart, Indiana. Dmand AI also links Dr. Ayad to 3 hospitals and 1 physician office.

What is Dr. Osama G. Ayad's office phone number?

The practice phone on file for Dr. Ayad is (219) 942-0551.

What is Dr. Osama G. Ayad's medical license number?

Dr. Ayad holds Indiana license 01066512A.

Which hospitals is Dr. Osama G. Ayad affiliated with?

Dr. Ayad is affiliated with St. Mary Medical Center. Dmand AI links Dr. Ayad to 3 more hospitals.

Does Dr. Osama G. Ayad accept Medicare?

Yes. CMS data shows Dr. Ayad billed Medicare for 2,000 services in 2024, and Dr. Ayad accepts Medicare assignment.

How many Medicare patients does Dr. Osama G. Ayad see?

CMS counts 321 Medicare patients who saw Dr. Ayad in 2024, with an average age of 78.

What services does Dr. Osama G. Ayad bill to Medicare?

In 2024, Dr. Ayad's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99238).

What drugs does Dr. Osama G. Ayad prescribe most?

In 2024 Medicare Part D data, Dr. Ayad's most prescribed drugs by claims were Amlodipine Besylate, Amoxicillin-Clavulanate Potass and Furosemide.

Has Dr. Osama G. Ayad received payments from drug or device companies?

CMS Open Payments shows $18 in general payments to Dr. Ayad from 2 companies from 2022 to 2022. The largest total came from HEMA Biologics, LLC.

How long has Dr. Osama G. Ayad been practicing?

Dr. Ayad graduated from medical school in 1987, 39 years ago.

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