AdipokinesExerciseFatigue
Dr. Grace E. Ahn, MD
NPI1982884896PAC ID4486705498
- Medicare services, 2024
- 74,704
- Medicare patients, 2024
- 877
- Part D claims, 2024
- 1,681
- Publications
- 4
- Clinical trials
- 2
- Practice address
- 8270 Willow Oaks Corporate Dr, Fairfax, VA 22031
- Practice phone
- Call (301) 942-7600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arthritis and Rheumatism Associates
Fairfax, Virginia
Find Dr. Ahn's professional email, personal email and mobile number
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Dr. Grace E. Ahn is a rheumatologist in Fairfax, Virginia
Dr. Ahn practices at Arthritis and Rheumatism Associates in Fairfax, Virginia.
Dr. Ahn's NPI, 1982884896, was assigned on November 8, 2007. Dr. Ahn graduated from VCU School of Medicine in 2006. Dr. Ahn holds Maryland license D76362.
NPI and contact details
- NPI
- 1982884896NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486705498
- NPI enumeration date
- November 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 942-7600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grace E. Ahn practices at Arthritis and Rheumatism Associates in Fairfax, Virginia
Dr. Ahn's primary practice is Arthritis and Rheumatism Associates, at 8270 Willow Oaks Corporate Dr, Fairfax, VA 22031 in Fairfax County. The practice phone is (301) 942-7600.
- Arthritis and Rheumatism Associates8270 Willow Oaks Corporate Dr, Fairfax, VA 22031 · Fairfax CountyPhone(301) 942-7600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Grace E. Ahn is affiliated with 2 sites of care and 1 medical group
Dr. Ahn's primary practice is Arthritis and Rheumatism Associates in Fairfax, Virginia. Dr. Ahn is also affiliated with VHC Health. The medical group on file is Arthritis and Rheumatism Associates, P.C.
Arthritis and Rheumatism AssociatesPrimary
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. Grace E. Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arthritis and Rheumatism Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grace E. Ahn is one of 160 rheumatologists in Virginia
Rheumatology is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Ahn is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ahn's licenses on file in 3 states: Maryland, Virginia and Illinois.
Specialties and state licenses
- Rheumatology, MarylandPrimary
- Virginia license
- Illinois license
Clinical focus
Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint pain, lupus, muscle pain, fibromyalgia, and limb pain and osteoporosis among the conditions Dr. Ahn treats.
Rheumatologists near Dr. Ahn
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
160rheumatologists in Virginia
7rheumatologists in Fairfax
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grace E. Ahn billed Medicare for 74,704 services in 2024
CMS data shows 74,704 Medicare services from Dr. Ahn across 58 procedure codes in 2024, for 877 Medicare patients. Medicare paid $978,917 for them. Every service was in an office.
Medicare services, 202474,704
Medicare patients877
Paid by Medicare$978,917
Procedure codes58
Dr. Ahn's Medicare services by type, 2024
- Drugs given in the office64,243
- Other services3,472
- Lab and pathology3,300
- Office and hospital visits1,304
- Surgery837
- Imaging818
- Tests and treatments730
Dr. Ahn compared with the Virginia median for rheumatologists, 2024
- Dr. Ahn
- Virginia median
- Medicare services
- 74,704vs 99974.8 times
- Medicare patients
- 877vs 3042.9 times
- Part D claims
- 1,564vs 97061% above
Medians across 159 rheumatologists in Virginia with Dmand AI profiles that report each measure.
Dr. Ahn'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. Ahn and other rheumatologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grace E. Ahn treated 877 Medicare patients in 2024, average age 76
CMS counts 877 Medicare patients who saw Dr. Ahn in 2024. The largest group is 65 to 74, with 390 patients. 75% of them have high cholesterol, and 72% have arthritis. 9% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 67, with 80% women.
Medicare patients, 2024877
Average age76
Average risk score1.04
Also on Medicaid9%
Dr. Ahn's Medicare patients by age, 2024
Dr. Ahn's Medicare patients by sex, 2024
- Women73083%
- Men14717%
Chronic conditions among Dr. Ahn's Medicare patients, 2024
- High cholesterol75%
- Arthritis72%
- High blood pressure70%
- Osteoporosis62%
- Diabetes22%
- Mood disorders20%
- Anxiety19%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women80%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grace E. Ahn wrote 1,681 Medicare Part D claims in 2024
In 2024, Dr. Ahn wrote 1,681 Medicare Part D claims for 290 patients. 88% of them were for generic drugs. CMS names the drug for 1,564 of them, across 29 drugs with 11 or more claims each, at $1,133,122 in total drug cost.
Part D claims, 20241,681
Drugs named by CMS29
Total drug cost$1.1M
Part D patients290
Dr. Ahn's Part D claims by kind of drug, 2024
- Generic1,479 claims88%
- Brand-name and other202 claims12%
Dr. Ahn'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. Ahn's Part D claims, 2024
- Opioids1%12 of 1,681 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Grace E. Ahn scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Ahn for performance year 2024, reported as part of a group. Dr. Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahn as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ahn's MIPS scores, performance year 2024
- 86of 100Final score
- 93.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 59of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Grace E. Ahn has 4 publications on record
Dmand AI links 4 papers to Dr. Ahn, published from 2016 to 2018. The most frequent topics are Lupus Erythematosus, Systemic, Exercise and Fatigue. Dr. Ahn's most frequent co-authors are Rowland W. Chang, MD, Mary A. Mahieu, MD and Rosalind R. Ramsey-Goldman, MD.
Papers4
Years published2016 to 2018
Topics Dr. Ahn writes about most
- Lupus Erythematosus, Systemic
- Exercise
- Fatigue
- Patient Reported Outcome Measures
Dr. Ahn's most frequent co-authors
- Rowland W. Chang, MD3 shared papers
- Mary A. Mahieu, MD2 shared papers
- Rosalind R. Ramsey-Goldman, MD1 shared paper
Recent publications by Dr. Ahn
Disability EvaluationExerciseFatigue
Int J Clin Rheumtol
Arthritis Care Res (Hoboken)
ActigraphyActivities of Daily LivingEnergy Metabolism
See who Dr. Ahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ahn works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grace E. Ahn has worked on 2 clinical trials
Dmand AI links Dr. Ahn to 2 clinical trials. Conditions studied include Arthritis, Rheumatoid, Sjogren's Syndrome and Rheumatic Diseases.
Conditions in Dr. Ahn's trials
- Arthritis, Rheumatoid
- Sjogren's Syndrome
- Rheumatic Diseases
- Xerostomia
Investigators on the most trials with Dr. Ahn
- Alan Ken Matsumoto, MD2 shared trials
- Herbert Stuart Block Baraf, MD1 shared trial
- Ashley D. Beall, MD1 shared trial
Recent clinical trials with Dr. Ahn
Arthritis, RheumatoidRheumatic DiseasesVectra MBDA Test
Disease Modification in Sjogrens Syndrome Measured by Ultrasound: A Pilot Study (opens in a new tab)
Status unknownPhase 2
Sjogren's SyndromeXerostomiaOrencia
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Grace E. Ahn received $155 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Ahn from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $137.
General payments to Dr. Ahn by program year, 2024 to 2025
Companies that paid Dr. Ahn the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grace E. Ahn has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ahn, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Ahn
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Grace E. Ahn graduated from VCU School of Medicine
Dr. Ahn graduated from VCU School of Medicine in 2006. Dr. Ahn is a member of ACR.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
- Board certified in rhmsus
Source: Dmand AI Professional Profile Data
Dr. Grace E. Ahn accepts plans from 7 insurance carriers
Dr. Ahn is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- CareFirst BlueCross BlueShield
- Elevance
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Ahn accepts, by number of carriers
- HMO5
- PPO4
- Medicare3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Grace E. Ahn'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 DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Grace E. Ahn
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. Grace E. Ahn's NPI number?
Dr. Grace E. Ahn's NPI number is 1982884896. It was assigned on November 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace E. Ahn?
Dr. Grace E. Ahn is a rheumatologist in Fairfax, Virginia. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Grace E. Ahn practice?
Dr. Ahn practices at 8270 Willow Oaks Corporate Dr, Fairfax, VA 22031. Dr. Ahn's primary practice is Arthritis and Rheumatism Associates in Fairfax, Virginia.
What is Dr. Grace E. Ahn's office phone number?
The practice phone on file for Dr. Ahn is (301) 942-7600.
What is Dr. Grace E. Ahn's medical license number?
Dr. Ahn holds Maryland license D76362, one of the licenses on file in 3 states.
Which states has Dr. Grace E. Ahn been licensed in?
Dmand AI has state licenses on file for Dr. Ahn in Maryland (2013 to 2026), Virginia (2019 to 2026) and Illinois (2008 to 2014).
Which hospitals is Dr. Grace E. Ahn affiliated with?
Dr. Ahn is affiliated with VHC Health.
What medical group is Dr. Grace E. Ahn part of?
Dr. Ahn is linked to Arthritis and Rheumatism Associates, P.C.
Does Dr. Grace E. Ahn accept Medicare?
Yes. CMS data shows Dr. Ahn billed Medicare for 74,704 services in 2024, and Dr. Ahn accepts Medicare assignment.
Does Dr. Grace E. Ahn offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ahn as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Grace E. Ahn's MIPS score?
Dr. Ahn's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Grace E. Ahn see?
CMS counts 877 Medicare patients who saw Dr. Ahn in 2024, with an average age of 76.
Is Dr. Grace E. Ahn board certified?
Yes. Dr. Ahn is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Grace E. Ahn bill to Medicare?
In 2024, Dr. Ahn's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J0897) and injected or infused drug (J3111).
Where did Dr. Grace E. Ahn go to medical school?
Dr. Ahn graduated from VCU School of Medicine in 2006.
What drugs does Dr. Grace E. Ahn prescribe most?
In 2024 Medicare Part D data, Dr. Ahn's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Prednisone.
Has Dr. Grace E. Ahn received payments from drug or device companies?
CMS Open Payments shows $155 in general payments to Dr. Ahn from 2 companies from 2024 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Grace E. Ahn been practicing?
Dr. Ahn graduated from medical school in 2006, 20 years ago.
Does Dr. Grace E. Ahn do research?
Dmand AI links 4 publications to Dr. Ahn, published from 2016 to 2018. Dr. Ahn has worked on 2 clinical trials.
Who does Dr. Grace E. Ahn publish with?
Dr. Ahn's most frequent co-authors are Rowland W. Chang, MD (3 shared papers), Mary A. Mahieu, MD (2 shared papers) and Rosalind R. Ramsey-Goldman, MD (1 shared paper).
What insurance does Dr. Grace E. Ahn accept?
Dr. Ahn is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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