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 Prince Frederick Physician Assistant, 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 |
Frequently asked questions
What is Dr. Ann Chen's medical specialty?
Dr. Ann Chen practices Physician Assistant in Prince Frederick, MD.
Where does Dr. Ann Chen practice?
Dr. Ann Chen practices at 130 Hospital RD Ste 300, Prince Frederick, MD 206784057. Office phone: 4105354333.
What is Dr. Ann Chen's NPI?
Dr. Ann Chen's National Provider Identifier (NPI) is 1750358438, issued by NPPES.
Does Dr. Ann Chen accept Medicare assignment?
Yes. Dr. Ann Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.