Doctor profile · Federal record
Dr. Anna Ahn, M.D.
Internal Medicine Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Stony Brook, NY
- NPI 1700105533
- Accepts Medicare
- MIPS 86.7 / 100 · 2023
- 23 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Medical Staff Office T9, Stony Brook University Hospital
Stony Brook, NY 11794
(631) 444-2754
fax (631) 444-6031 - Mailing address
-
920 Elkridge Landing RD
Linthicum, MD 210902917
Credentials & registration
- NPI registered
- May 2010 — 16 yrs on file
- Profile last updated
- August 12, 2018
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Maryland #D75970 · New York #249976
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700105533. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,751
Distinct HCPCS
10
Medicare allowed
$170,293
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 448 | 324 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 277 | 180 | $131 | |
99291 |
Critical care, first 30-74 minutes | 261 | 106 | $218 | |
94727 |
Test to determine lung volumes using gas dilution or washout | 130 | 129 | $12 | |
94729 |
Test to examine how well the lungs exchange gases | 130 | 129 | $9 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 118 | 117 | $10 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 97 | 97 | $114 | |
G0296 |
Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making) | 88 | 88 | $29 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 58 | 40 | $120 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 37 | 26 | $81 |
In context: peer comparison
Among 49 peers in this city , average services per provider: 119. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$788
Transactions
31
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| HARMONY BIOSCIENCES LLC | 5 | $187.70 | |
| AstraZeneca Pharmaceuticals LP | 7 | $137.74 | |
| SANOFI-AVENTIS U.S. LLC | 1 | $78.99 | |
| Mallinckrodt Hospital Products Inc. | 2 | $78.15 | |
| GlaxoSmithKline, LLC. | 4 | $70.53 | |
| GENZYME CORPORATION | 3 | $50.01 | |
| Baxter Healthcare | 2 | $47.92 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $46.77 | |
| Electromed, Inc. | 2 | $40.83 | |
| Fisher & Paykel Healthcare Inc | 1 | $17.85 | |
| Mylan Specialty L.P. | 1 | $15.76 | |
| Amgen Inc. | 1 | $15.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,660
Patients
779
Total drug cost
$928,736
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 596 | 118 | $475,851 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 447 | 163 | $17,890 |
| Montelukast Sodium | Generic | 241 | 71 | $4,001 |
| Prednisone | Generic | 195 | 98 | $1,443 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 166 | 39 | $83,265 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 154 | 43 | $110,129 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 140 | 26 | $79,370 |
| Fluticasone Propionate | Generic | 118 | 52 | $2,097 |
| Ventolin Hfa (Albuterol Sulfate) | Brand | 115 | 34 | $7,901 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 95 | 26 | $19,916 |
Hospital affiliations
Frequently asked questions
What is Dr. Anna Ahn's medical specialty?
Dr. Anna Ahn practices Internal Medicine Physician in Stony Brook, NY.
Where does Dr. Anna Ahn practice?
Dr. Anna Ahn practices at Medical Staff Office T9, Stony Brook, NY 11794. Office phone: 6314442754.
What is Dr. Anna Ahn's NPI?
Dr. Anna Ahn's National Provider Identifier (NPI) is 1700105533, issued by NPPES.
Does Dr. Anna Ahn accept Medicare assignment?
Yes. Dr. Anna Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Ahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.