Grace E Ahn, M.D.
Rheumatology Internal Medicine
Grace E Ahn is a Rheumatology Internal Medicine specialist based in Rockville, MD with over 20 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Grace E Ahn, M.D. has practiced internal medicine for 20+ years, working in group practice. She graduated from University of Virginia School of Medicine in 2006 and has 20+ years of clinical experience. She regularly sees Medicare patients with high cholesterol, arthritis, and hypertension (per CMS claims data). CMS MIPS quality score: 77.12/100 (2023).
At a glance
- Prescribes opioids less than 36% of reporting doctors in Maryland
- Federal MIPS score higher than 41% of MIPS-scored doctors in Maryland
- Virtual visits available — no app or travel required
Older · 107dNPPES updated 2026-02-05 · verify NPI on CMS · Verify license at Maryland Board of Physicians
Contact & Location
Practice Location
14995 Shady Grove Rd Ste 500, Rockville, MD 20850-8726
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Maryland, prescribes opioid pain medications conservatively.
MIPS Score
202377.12/100
Maryland avg: 77.8 · US avg: 83.6
⚠ Lower than most doctors nationally(-6.5 pts)
Average range among MIPS-scored doctors in MarylandHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better1.39%
Maryland avg: 4.4 · US avg: 5.1
✓ Higher than most doctors nationally(-3.7 pts)
1.39% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
730
Unique beneficiaries
High volumePrescription Recipients
236
Patients prescribed
Prescriptions Written
1,439
Total claims
Total Medicare drug cost: $1.33M
Percentile rankings compared against 2,391 reporting peers in Maryland.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Arthritis, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+23%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-1%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+42%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-12%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-13%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$137 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Grace E Ahn's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2006
University of Virginia School of Medicine
Board certified · Feb 4, 2026
Self-reported via NPPES
20 years in practice
Experienced
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
University of Virginia School of Medicine (Class of 2006)
Mailing address
7361 Calhoun Pl Ste 600, Rockville, MD 20855-2788
Differs from practice location
Virtual Internal Medicine Care With Grace E Ahn
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Grace E Ahn for cholesterol management, arthritis follow-ups, blood pressure monitoring — no travel to Rockville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Grace E Ahn
NPI records show Dr. Ahn as active with telehealth listed in Rockville, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (301) 942-7600.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Grace E Ahn
Practice Location
14995 Shady Grove Rd Ste 500, Rockville, MD 20850-8726
Mailing Address
7361 Calhoun Pl Ste 600, Rockville, MD 20855-2788
This is a provider directory. Contact the office directly to schedule appointments.
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