Doctor profile · Federal record
Dr. Sam Gao, MD
Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Portsmouth, VA
- NPI 1831181650
- Accepts Medicare
- MIPS 57.3 / 100 · 2023
- 24 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
Naval Medical Center Portsmouth, 620 John Paul Jones Circle
Portsmouth, VA 23708
(757) 953-2051
fax (757) 953-8000 - Additional location
-
6900 Georgia Ave Nw, Nephrology Clinic
Washington, DC 203070003
(202) 782-6462
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- October 16, 2020
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- New York #229179 · Virginia #0101269775
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831181650. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,019
Distinct HCPCS
4
Medicare allowed
$94,418
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 669 | 208 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 290 | 120 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 47 | 47 | $169 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 12 | $95 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 195. This provider delivers 5.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Sam Gao's medical specialty?
Dr. Sam Gao practices Nephrology Physician in Portsmouth, VA.
Where does Dr. Sam Gao practice?
Dr. Sam Gao practices at Naval Medical Center Portsmouth, Portsmouth, VA 23708. Office phone: 7579532051.
What is Dr. Sam Gao's NPI?
Dr. Sam Gao's National Provider Identifier (NPI) is 1831181650, issued by NPPES.
Does Dr. Sam Gao accept Medicare assignment?
Yes. Dr. Sam Gao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sam Gao commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.