Dr. Sadia M. Hayat Khan, MD
- Medicare services, 2024
- 47
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 62
- Industry payments
- $6,194
- Affiliated sites
- 2
- Practice address
- 2 Wisconsin Cir, Chevy Chase, MD 20815
- Practice phone
- Call (301) 962-5800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Institute for Asthma and Allergy
Chevy Chase, Maryland
Find Dr. Hayat Khan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sadia M. Hayat Khan is an allergist and immunologist in Chevy Chase, Maryland
Dr. Hayat Khan practices at Institute for Asthma and Allergy in Chevy Chase, Maryland.
Dr. Hayat Khan's NPI, 1932315769, was assigned on May 16, 2007. Dr. Hayat Khan holds Virginia license 0101273481.
- NPI
- 1932315769NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395765739
- NPI enumeration date
- May 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 962-5800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sadia M. Hayat Khan practices at Institute for Asthma and Allergy in Chevy Chase, Maryland
Dr. Hayat Khan's primary practice is Institute for Asthma and Allergy, at 2 Wisconsin Cir, Chevy Chase, MD 20815 in Montgomery County. The practice phone is (301) 962-5800.
- Institute for Asthma and Allergy2 Wisconsin Cir, Chevy Chase, MD 20815 · Montgomery CountyPhone(301) 962-5800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sadia M. Hayat Khan is affiliated with 3 sites of care and 2 medical groups
Dr. Hayat Khan's primary practice is Institute for Asthma and Allergy in Chevy Chase, Maryland. The medical group on file is Institute for Asthma and Allergy. Dmand AI also links Dr. Hayat Khan to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sadia M. Hayat Khan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hayat Khan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Institute for Asthma and Allergy | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sadia M. Hayat Khan is one of 83 allergists and immunologists in Maryland
Allergy and immunology is Dr. Hayat Khan's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dmand AI has Dr. Hayat Khan's licenses on file in 3 states: Virginia, Kansas and Missouri.
Specialties and state licenses
- Allergy and immunology, VirginiaPrimary
- Allergy and immunology (internal medicine), Kansas
- Internal medicine, Missouri
Allergists and immunologists near Dr. Hayat Khan
Counts of allergists and immunologists 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. Sadia M. Hayat Khan billed Medicare for 47 services in 2024
CMS data shows 47 Medicare services from Dr. Hayat Khan across 2 procedure codes in 2024, all of them office visits, for 31 Medicare patients. Medicare paid $5,151 for them. Every service was in an office.
Dr. Hayat Khan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 252024: 4788%
Dr. Hayat Khan compared with the Maryland median for allergists and immunologists, 2024
- Dr. Hayat Khan
- Maryland median
- Medicare services
- 47vs 1,80297% below
- Medicare patients
- 31vs 19484% below
- Part D claims
- 12vs 14191% below
Medians across 64 allergists and immunologists in Maryland with Dmand AI profiles that report each measure.
Dr. Hayat Khan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hayat Khan and other allergists and immunologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sadia M. Hayat Khan treated 31 Medicare patients in 2024, average age 76
CMS counts 31 Medicare patients who saw Dr. Hayat Khan in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high cholesterol, and 61% have arthritis. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hayat Khan's median patient age at 33, with 53% women.
Dr. Hayat Khan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hayat Khan's Medicare patients by sex, 2024
- Women2065%
- Men1135%
Chronic conditions among Dr. Hayat Khan's Medicare patients, 2024
- High cholesterol75%
- Arthritis61%
- High blood pressure52%
- Asthma39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hayat Khan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sadia M. Hayat Khan wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Hayat Khan wrote 62 Medicare Part D claims for 16 patients. 68% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,574 in total drug cost. In 2020, CMS named 54 claims across 3 drugs.
Dr. Hayat Khan's Part D claims by kind of drug, 2024
- Generic42 claims68%
- Brand-name20 claims32%
Dr. Hayat Khan'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.
Part D claims for drugs CMS names, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 542024: 1278%
Drugs named by CMS: 1 in 2024, 3 in 2020.
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. Sadia M. Hayat Khan takes part in Medicare
Dr. Hayat Khan 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. Sadia M. Hayat Khan received $6,194 in industry payments from 2016 to 2025
CMS Open Payments shows 240 general payments to Dr. Hayat Khan from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Sanofi and Genzyme US Companies paid the most, $1,326.
General payments to Dr. Hayat Khan by program year, 2016 to 2025
General payments to Dr. Hayat Khan by kind, 2016 to 2025
- Food and beverage$6,05998%
- Education$1352%
Companies that paid Dr. Hayat Khan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sadia M. Hayat Khan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sadia M. Hayat Khan
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. Sadia M. Hayat Khan's NPI number?
Dr. Sadia M. Hayat Khan's NPI number is 1932315769. It was assigned on May 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Sadia M. Hayat Khan?
Dr. Sadia M. Hayat Khan is an allergist and immunologist in Chevy Chase, Maryland. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Sadia M. Hayat Khan practice?
Dr. Hayat Khan practices at 2 Wisconsin Cir, Chevy Chase, MD 20815. Dr. Hayat Khan's primary practice is Institute for Asthma and Allergy in Chevy Chase, Maryland. Dmand AI also links Dr. Hayat Khan to 2 group practices and clinics and 1 medical group.
What is Dr. Sadia M. Hayat Khan's office phone number?
The practice phone on file for Dr. Hayat Khan is (301) 962-5800.
What is Dr. Sadia M. Hayat Khan's medical license number?
Dr. Hayat Khan holds Virginia license 0101273481, one of the licenses on file in 3 states.
Which states has Dr. Sadia M. Hayat Khan been licensed in?
Dmand AI has state licenses on file for Dr. Hayat Khan in Virginia, Kansas and Missouri.
What medical group is Dr. Sadia M. Hayat Khan part of?
Dr. Hayat Khan is linked to Institute for Asthma and Allergy. Dmand AI links Dr. Hayat Khan to 1 more medical group.
Does Dr. Sadia M. Hayat Khan accept Medicare?
Yes. CMS data shows Dr. Hayat Khan billed Medicare for 47 services in 2024, and Dr. Hayat Khan accepts Medicare assignment.
How many Medicare patients does Dr. Sadia M. Hayat Khan see?
CMS counts 31 Medicare patients who saw Dr. Hayat Khan in 2024, with an average age of 76.
What services does Dr. Sadia M. Hayat Khan bill to Medicare?
In 2024, Dr. Hayat Khan's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
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What drugs does Dr. Sadia M. Hayat Khan prescribe most?
In 2024 Medicare Part D data, Dr. Hayat Khan's most prescribed drugs by claims were Cyclosporine Modified.
Has Dr. Sadia M. Hayat Khan received payments from drug or device companies?
CMS Open Payments shows $6,194 in general payments to Dr. Hayat Khan from 23 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Sadia M. Hayat Khan been practicing?
Dr. Hayat Khan graduated from medical school in 1999, 27 years ago.
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