Doctor profile · Federal record
Dr. ANN CHEN, PA
Physician Assistant · Physician Assistant · PRINCE FREDERICK, MD
- NPI 1750358438
- Accepts Medicare
- MIPS 77.5 / 100 · 2023
- 23 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
130 HOSPITAL RD STE 300
PRINCE FREDERICK, MD 206784057
(410) 535-4333
fax (410) 535-3260
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- September 26, 2024
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State licenses (2)
- Maryland #C0004921 · Wisconsin #1711-023
- Medicaid
- MD #841044500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750358438. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
580
Distinct HCPCS
7
Medicare allowed
$61,284
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 405 | 217 | $108 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $144 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 38 | 38 | $95 | |
36415 |
Insertion of needle into vein for collection of blood sample | 27 | 25 | $8 | |
46221 |
Removal of external hemorrhoids by rubber banding | 26 | 12 | $230 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 23 | $76 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 19 | 17 | $8 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 93. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$515
Transactions
25
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 11 | $169.31 | |
| Janssen Biotech, Inc. | 5 | $103.88 | |
| Phathom Pharmaceuticals, Inc. | 1 | $75.00 | |
| Ferring Pharmaceuticals Inc. | 1 | $46.62 | |
| PFIZER INC. | 2 | $32.47 | |
| Ardelyx, Inc. | 1 | $23.64 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $18.89 | |
| Madrigal Pharmaceuticals | 1 | $16.57 | |
| Exact Sciences Corporation | 1 | $15.43 | |
| Sandoz Inc. | 1 | $13.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
495
Patients
159
Total drug cost
$287,978
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 113 | 39 | $2,120 |
| Famotidine | Generic | 57 | 27 | $1,020 |
| Dicyclomine Hcl | Generic | 38 | 16 | $888 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 36 | 36 | $2,951 |
| Creon (Lipase/Protease/Amylase) | Brand | 33 | 16 | $139,698 |
| Xifaxan (Rifaximin) | Brand | 31 | 0 | $100,664 |
| Amitriptyline Hcl | Generic | 28 | 0 | $586 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 28 | 12 | $533 |
| Metoclopramide Hcl | Generic | 26 | 0 | $447 |
| Linzess (Linaclotide) | Brand | 22 | 13 | $33,338 |