Doctor profile · Federal record
Dr. John Liang, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Washington, DC
- NPI 1487788808
- Accepts Medicare
- MIPS 75.7 / 100 · 2023
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
110 Irving St Nw
Washington, DC 200103017
(202) 877-6190
fax (202) 877-3820 - Mailing address
-
1201 Seven Locks RD, Suite 200
Rockville, MD 208542931
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- August 16, 2010
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- District of Columbia #MD038874
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487788808. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,546
Distinct HCPCS
10
Medicare allowed
$110,690
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 932 | 496 | $40 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 493 | 110 | $31 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 302 | 204 | $89 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 179 | 137 | $38 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 135 | 99 | $29 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 78 | 33 | $13 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 76 | 71 | $12 | |
88360 |
Microscopic genetic analysis of tumor, manual | 68 | 24 | $45 | |
88331 |
Pathology examination of specimen during surgery, first tissue block | 67 | 34 | $68 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 61 | 52 | $13 |
In context: peer comparison
Among 13 peers in Washington Anatomic Pathology & Clinical Pathology Physician, average services per provider: 142. This provider delivers 18× the peer median.Frequently asked questions
What is Dr. John Liang's medical specialty?
Dr. John Liang practices Anatomic Pathology & Clinical Pathology Physician in Washington, DC.
Where does Dr. John Liang practice?
Dr. John Liang practices at 110 Irving St Nw, Washington, DC 200103017. Office phone: 2028776190.
What is Dr. John Liang's NPI?
Dr. John Liang's National Provider Identifier (NPI) is 1487788808, issued by NPPES.
Does Dr. John Liang accept Medicare assignment?
Yes. Dr. John Liang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Liang commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.