Amanda Kwartemaah Osei, PA-C
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 258
- Hospital affiliations
- 3
- Industry payments
- $1,437
- Medical groups
- 3
- Practice address
- 8140 Ashton Ave, Manassas, VA 20109
- Practice phone
- Call (703) 698-8960
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Associates of Northern Virginia, LLC
Manassas, Virginia
Find Amanda Osei'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.
Amanda Kwartemaah Osei is a physician assistant in Manassas, Virginia
Amanda Osei practices at Gastroenterology Associates of Northern Virginia, LLC in Manassas, Virginia.
Amanda Osei's NPI, 1235738006, was assigned on October 22, 2020. Amanda Osei holds Virginia license 0110008291.
- NPI
- 1235738006NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638584212
- NPI enumeration date
- October 22, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 698-8960
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Amanda Kwartemaah Osei practices at Gastroenterology Associates of Northern Virginia, LLC in Manassas, Virginia
Amanda Osei's primary practice is Gastroenterology Associates of Northern Virginia, LLC, at 8140 Ashton Ave, Manassas, VA 20109 in Prince William County. The practice phone is (703) 698-8960.
- Gastroenterology Associates of Northern Virginia, LLC8140 Ashton Ave, Manassas, VA 20109 · Prince William CountyPhone(703) 698-8960
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Amanda Kwartemaah Osei is affiliated with 6 sites of care and 3 medical groups
Amanda Osei's primary practice is Gastroenterology Associates of Northern Virginia, LLC in Manassas, Virginia. Amanda Osei is also affiliated with UVA Health Prince William Medical Center. The medical group on file is Patient First. Dmand AI also links Amanda Osei to 2 more hospitals, 2 group practices and clinics and 2 medical groups, 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 Amanda Kwartemaah Osei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Amanda Osei practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Associates of Northern Virginia, LLC | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Amanda Kwartemaah Osei is one of 3,636 physician assistants in Virginia
Physician assistant is Amanda Osei's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Amanda Osei is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Amanda Osei
Counts of physician assistants 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
Amanda Kwartemaah Osei treated 60 Medicare patients in 2024, average age 73
CMS counts 60 Medicare patients who saw Amanda Osei in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Amanda Osei's median patient age at 52, with 55% women.
Amanda Osei's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Amanda Osei's Medicare patients by sex, 2024
- Women3660%
- Men2440%
Chronic conditions among Amanda Osei's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes38%
- Ischemic heart disease37%
- Anxiety27%
- Asthma23%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Amanda Osei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Amanda Kwartemaah Osei wrote 258 Medicare Part D claims in 2024
In 2024, Amanda Osei wrote 258 Medicare Part D claims for 108 patients. 89% of them were for generic drugs.
Amanda Osei's Part D claims by kind of drug, 2024
- Generic230 claims89%
- Brand-name28 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Amanda Kwartemaah Osei offers telehealth to Medicare patients
Amanda Osei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Amanda Osei as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Amanda Kwartemaah Osei received $1,437 in industry payments in 2025
CMS Open Payments shows 74 general payments to Amanda Osei from 16 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $372.
Companies that paid Amanda Osei the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Amanda Kwartemaah Osei'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 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 (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 Amanda Kwartemaah Osei
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Amanda Kwartemaah Osei's NPI number?
Amanda Kwartemaah Osei's NPI number is 1235738006. It was assigned on October 22, 2020, and it is active in the NPI Registry.
What does Amanda Kwartemaah Osei specialize in?
Amanda Kwartemaah Osei is a physician assistant in Manassas, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Amanda Kwartemaah Osei practice?
Amanda Osei practices at 8140 Ashton Ave, Manassas, VA 20109. Amanda Osei's primary practice is Gastroenterology Associates of Northern Virginia, LLC in Manassas, Virginia. Dmand AI also links Amanda Osei to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Amanda Kwartemaah Osei's office phone number?
The practice phone on file for Amanda Osei is (703) 698-8960.
What is Amanda Kwartemaah Osei's medical license number?
Amanda Osei holds Virginia license 0110008291.
Which hospitals is Amanda Kwartemaah Osei affiliated with?
Amanda Osei is affiliated with UVA Health Prince William Medical Center. Dmand AI links Amanda Osei to 2 more hospitals.
What medical group is Amanda Kwartemaah Osei part of?
Amanda Osei is linked to Patient First. Dmand AI links Amanda Osei to 2 more medical groups.
Does Amanda Kwartemaah Osei accept Medicare?
Yes. CMS lists Amanda Osei as accepting Medicare assignment.
Does Amanda Kwartemaah Osei offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Amanda Osei as offering telehealth services.
How many Medicare patients does Amanda Kwartemaah Osei see?
CMS counts 60 Medicare patients who saw Amanda Osei in 2024, with an average age of 73.
Has Amanda Kwartemaah Osei received payments from drug or device companies?
CMS Open Payments shows $1,437 in general payments to Amanda Osei from 16 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Amanda Kwartemaah Osei been practicing?
Amanda Osei graduated from medical school in 2020, 6 years ago.
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