Doctor profile · Federal record
Dr. Karen Wu, M.D.
Dermatopathology (Pathology) Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Portsmouth, NH
- NPI 1245441310
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 20 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
111 New Hampshire Ave Ste 3
Portsmouth, NH 038012864
(603) 988-0951
fax (603) 441-3722 - Mailing address
-
111 New Hampshire Ave Ste 2
Portsmouth, NH 038012864
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- January 31, 2024
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207ZD0900X — NUCC code
- State licenses (2)
- New Hampshire #16057 · Pennsylvania #MD438668
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245441310. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,499
Distinct HCPCS
9
Medicare allowed
$218,280
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 2,423 | 1,597 | $72 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 700 | 425 | $36 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 76 | 67 | $43 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 73 | 20 | $28 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 66 | 60 | $113 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 59 | 42 | $34 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 49 | 35 | $26 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 30 | 29 | $11 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 23 | 15 | $81 |
In context: peer comparison
Among 1 peers in Portsmouth Dermatopathology (Pathology) Physician, average services per provider: 388. This provider delivers 9.0× the peer median.Frequently asked questions
What is Dr. Karen Wu's medical specialty?
Dr. Karen Wu practices Dermatopathology (Pathology) Physician in Portsmouth, NH.
Where does Dr. Karen Wu practice?
Dr. Karen Wu practices at 111 New Hampshire Ave Ste 3, Portsmouth, NH 038012864. Office phone: 6039880951.
What is Dr. Karen Wu's NPI?
Dr. Karen Wu's National Provider Identifier (NPI) is 1245441310, issued by NPPES.
Does Dr. Karen Wu accept Medicare assignment?
Yes. Dr. Karen Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Wu commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, moderately low complexity (HCPCS 88304). Source: CMS Medicare Physician & Other Practitioners file.