Dr. Oral Alpan, MD

  • Fairfax, VA
  • Allergist and immunologist
NPI1881788610PAC ID0042247504
Medicare services, 2024
15,758
Medicare patients, 2024
209
Part D claims, 2024
717
Publications
35
Clinical trials
8
Practice address
11212 Waples Mill Rd, Fairfax, VA 22030
Practice phone
Call (240) 643-6002
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

O & O Alpan

Multi-specialty group site · Fairfax, Virginia

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Dr. Oral Alpan is an allergist and immunologist in Fairfax, Virginia

Dr. Alpan practices at O & O Alpan in Fairfax, Virginia.

Dr. Alpan's NPI, 1881788610, was assigned on October 3, 2006. Dr. Alpan holds Virginia license 0101238213.

NPI and contact details
Medicare PAC ID
0042247504
NPI enumeration date
October 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(240) 643-6002
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1990

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

Dr. Oral Alpan practices at O & O Alpan in Fairfax, Virginia

Dr. Alpan's primary practice is O & O Alpan, at 11212 Waples Mill Rd, Fairfax, VA 22030. The practice phone is (240) 643-6002.

  • O & O Alpan
    11212 Waples Mill Rd, Fairfax, VA 22030Phone(240) 643-6002

Source: Dmand AI Affiliation Data

Dr. Oral Alpan is affiliated with 2 sites of care and 1 medical group

Dr. Alpan's primary practice is O & O Alpan in Fairfax, Virginia. Dr. Alpan is also affiliated with Reston Hospital Center. The medical group on file is Amerimmune Clinic.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Oral Alpan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alpan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
O & O AlpanAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Oral Alpan is one of 113 allergists and immunologists in Virginia

Allergy and immunology is Dr. Alpan's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Alpan is licensed in Virginia.

Specialties and state licenses

  • Allergy and immunology, VirginiaPrimaryLicense 0101238213 · taxonomy 207K00000X

Allergists and immunologists near Dr. Alpan

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

113allergists and immunologists in Virginia
3allergists and immunologists in Fairfax

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

Dr. Oral Alpan billed Medicare for 15,758 services in 2024

CMS data shows 15,758 Medicare services from Dr. Alpan across 8 procedure codes in 2024, for 209 Medicare patients. Medicare paid $390,139 for them. Every service was in an office.

Medicare services, 202415,758
Medicare patients209
Paid by Medicare$390,139
Procedure codes8

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

  • 2023
  • 2024
Lab and pathology
2023: 10,1062024: 13,88237%
Tests and treatments
2023: 02024: 1,026
Office and hospital visits
2023: 2842024: 50879%
Surgery
2023: 2462024: 34239%

Dr. Alpan compared with the Virginia median for allergists and immunologists, 2024

  • Dr. Alpan
  • Virginia median
Medicare services
15,758vs 2,5706.1 times
Medicare patients
209vs 11680% above
Part D claims
535vs 1583.4 times

Medians across 110 allergists and immunologists in Virginia with Dmand AI profiles that report each measure.

Dr. Alpan'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. Alpan

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

Dr. Oral Alpan treated 209 Medicare patients in 2024, average age 71

CMS counts 209 Medicare patients who saw Dr. Alpan in 2024. The largest group is 65 to 74, with 103 patients. 73% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 1.57, 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. Alpan's median patient age at 37, with 64% women.

Medicare patients, 2024209
Average age71
Average risk score1.57

Dr. Alpan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Alpan's Medicare patients by sex, 2024

  • Women15373%
  • Men5627%

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

  1. High cholesterol73%
  2. High blood pressure57%
  3. Arthritis56%
  4. Asthma34%
  5. Anxiety33%
  6. Mood disorders28%
  7. Depression22%
  8. Ischemic heart disease22%

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

Dr. Alpan's patients across all payers

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

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women64%
  • Men33%

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

Dr. Oral Alpan wrote 717 Medicare Part D claims in 2024

In 2024, Dr. Alpan wrote 717 Medicare Part D claims for 79 patients. 54% of them were for generic drugs. CMS names the drug for 535 of them, across 17 drugs with 11 or more claims each, at $1,023,605 in total drug cost. In 2023, CMS named 460 claims across 15 drugs.

Part D claims, 2024717
Drugs named by CMS17
Total drug cost$1M
Part D patients79

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

  • Generic388 claims54%
  • Brand-name329 claims46%

Dr. Alpan'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. Alpan's Part D claims, 2024

  • Antibiotics7%53 of 717 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: 4602024: 53516%

Drugs named by CMS: 17 in 2024, 15 in 2023.

See all prescribing by Dr. Alpan

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

Dr. Oral Alpan offers telehealth to Medicare patients

Dr. Alpan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alpan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Oral Alpan has 35 publications on record

Dmand AI links 35 papers to Dr. Alpan, published from 2012 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Flow Cytometry, Basophils and Antibodies, Anti-Idiotypic. Dr. Alpan has published most often in Allergy. Dr. Alpan's most frequent co-authors are Ozlem Goker-Alpan, MD, Richard Lawrence Wasserman, MD, PhD and Benjamin Isaac Enav, MD.

Papers35
Years published2012 to 2025

Dr. Alpan's papers by year, 2016 to 2025

Topics Dr. Alpan writes about most

  • Flow Cytometry
  • Basophils
  • Antibodies, Anti-Idiotypic
  • Antibodies, Monoclonal, Humanized
  • COVID-19
  • Omalizumab
  • Tetraspanin 30
  • Allergens

Dr. Alpan's most frequent co-authors

Recent publications by Dr. Alpan

See all 35 publications and co-authors

See who Dr. Alpan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alpan works with, so you can find a warm path to the right allergists and immunologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Oral Alpan has worked on 8 clinical trials

Dmand AI links Dr. Alpan to 8 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Immunologic Deficiency Syndromes, Primary Immunodeficiency Diseases and Bruton type agammaglobulinemia. ADMA Biologics, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Alpan that name 4 trials.

Conditions in Dr. Alpan's trials

  • Immunologic Deficiency Syndromes
  • Primary Immunodeficiency Diseases
  • Bruton type agammaglobulinemia
  • Common Variable Immunodeficiency
  • Fabry Disease

Investigators on the most trials with Dr. Alpan

Recent clinical trials with Dr. Alpan

See all 8 clinical trials and co-investigators

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Oral Alpan received $141,251 in industry payments from 2016 to 2025

CMS Open Payments shows 665 general payments to Dr. Alpan from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 54% of the total. Genentech, Inc. paid the most, $34,839. It also lists 12 research payments totaling $91,855 from 2016 to 2022, naming 4 clinical trials.

General payments to Dr. Alpan by program year, 2016 to 2025

General payments to Dr. Alpan by kind, 2016 to 2025

$141.3Kin total
  • Speaker and faculty fees$76,68054%
  • Consulting fees$28,67120%
  • Food and beverage$16,28712%
  • Honoraria$12,1679%
  • Other$7,4465%

Companies that paid Dr. Alpan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Alpan

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

Sources for Dr. Oral Alpan'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Oral Alpan

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. Oral Alpan's NPI number?

Dr. Oral Alpan's NPI number is 1881788610. It was assigned on October 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Oral Alpan?

Dr. Oral Alpan is an allergist and immunologist in Fairfax, Virginia. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Oral Alpan practice?

Dr. Alpan practices at 11212 Waples Mill Rd, Fairfax, VA 22030. Dr. Alpan's primary practice is O & O Alpan in Fairfax, Virginia.

What is Dr. Oral Alpan's office phone number?

The practice phone on file for Dr. Alpan is (240) 643-6002.

What is Dr. Oral Alpan's medical license number?

Dr. Alpan holds Virginia license 0101238213.

Which hospitals is Dr. Oral Alpan affiliated with?

Dr. Alpan is affiliated with Reston Hospital Center.

What medical group is Dr. Oral Alpan part of?

Dr. Alpan is linked to Amerimmune Clinic.

Does Dr. Oral Alpan accept Medicare?

Yes. CMS data shows Dr. Alpan billed Medicare for 15,758 services in 2024, and Dr. Alpan accepts Medicare assignment.

Does Dr. Oral Alpan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Alpan as offering telehealth services.

How many Medicare patients does Dr. Oral Alpan see?

CMS counts 209 Medicare patients who saw Dr. Alpan in 2024, with an average age of 71.

Show 6 more questionsShow fewer questions

What services does Dr. Oral Alpan bill to Medicare?

In 2024, Dr. Alpan's most billed Medicare services were lab and pathology test (88185), allergy test or treatment (95004) and office visit, established patient (99213).

What drugs does Dr. Oral Alpan prescribe most?

In 2024 Medicare Part D data, Dr. Alpan's most prescribed drugs by claims were Gammagard Liquid, Diphenhydramine HCl and Gamunex-C.

Has Dr. Oral Alpan received payments from drug or device companies?

CMS Open Payments shows $141,251 in general payments to Dr. Alpan from 31 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Oral Alpan been practicing?

Dr. Alpan graduated from medical school in 1990, 36 years ago.

Does Dr. Oral Alpan do research?

Dmand AI links 35 publications to Dr. Alpan, published from 2012 to 2025. Dr. Alpan has worked on 8 clinical trials.

Who does Dr. Oral Alpan publish with?

Dr. Alpan's most frequent co-authors are Ozlem Goker-Alpan, MD (3 shared papers), Richard Lawrence Wasserman, MD, PhD (3 shared papers) and Benjamin Isaac Enav, MD (2 shared papers).

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