SAM WEI GAO MD
NPI 1831181650
Internal Medicine - Nephrology in Portsmouth, VA

Active since August 18, 2005PECOS EnrolledAccepts Medicare Assignment
62.26/100
CMS Quality Rating
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE, PORTSMOUTH, VA 23708(757) 953-2051(757) 953-8000 Get Directions Write a Review

NPPES record last updated: October 16, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sam Wei Gao Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAM WEI GAO MD (NPI 1831181650) is an individual nephrology provider in Portsmouth, Virginia, licensed in New York (229179) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Sentara Norfolk General Hospital, and maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1831181650
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameSAM WEI GAOCredential: MD
Location AddressNAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLEPortsmouth, VA 23708
Mailing AddressNaval Medical Center Portsmouth, 620 John Paul Jones CirclePortsmouth, VA 23708-2197 · (757) 953-2051 · Fax (757) 953-8000
Fax(757) 953-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateAugust 18, 2005
Last NPPES UpdateOctober 16, 2020
NPPES CertifiedOctober 15, 2020
NPI 1831181650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses Licensed in NY · 229179 Licensed in VA · 0101269775
Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

NAVAL MEDICAL CENTER PORTSMOUTH, Portsmouth, VA 23708

Secondary Practice Location 1

Location 16900 Georgia Ave NW, Nephrology ClinicWashington, DC 20307-0003 · Phone (202) 782-6462

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sam Wei Gao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890933311
PECOS Enrollment IDI20220802002839
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
526 services180 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
394 services150 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
57 services57 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sentara Norfolk General Hospital

Acute Care Hospitals · Norfolk, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490007
Location600 Gresham DrNorfolk, VA 23507 · Norfolk City County
Emergency services Birthing friendly

Sentara Leigh Hospital

Acute Care Hospitals · Norfolk, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490046
Location830 Kempsville RoadNorfolk, VA 23502 · Norfolk City County
Birthing friendly

Sentara Virginia Beach General Hospital

Acute Care Hospitals · Virginia Beach, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490057
Location1060 First Colonial RoadVirginia Beach, VA 23454 · Virginia Beach City County
Emergency services

Sentara Princess Anne Hospital

Acute Care Hospitals · Virginia Beach, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490119
Location2025 Glenn Mitchell DriveVirginia Beach, VA 23456 · Virginia Beach City County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

62.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.77
Promoting Interoperability0
Improvement Activities40
Cost69.1

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
NORFOLK, VA 23708
Otolaryngology (Pediatric Otolaryngology)
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708
Pediatrics
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708
Otolaryngology
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708
Surgery
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708
Pediatrics
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708
Psychologist (Clinical)
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708
Radiology (Diagnostic Radiology)
NAVAL MEDICAL CENTER PORTSMOUTH, 620 JOHN PAUL JONES CIRCLE
PORTSMOUTH, VA 23708

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sam Gao's NPI number?

The NPI number for Sam Gao is 1831181650. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is Sam Gao located?

Sam Gao practices at Naval Medical Center Portsmouth 620 John Paul Jones Circle, Portsmouth, VA 23708. The listed phone number is (757) 953-2051.

What is Sam Gao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Sam Gao enrolled in Medicare?

Yes. Sam Gao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Sam Gao affiliated with any hospitals?

According to CMS data, Sam Gao is affiliated with Sentara Norfolk General Hospital, Sentara Leigh Hospital, Sentara Virginia Beach General Hospital and Sentara Princess Anne Hospital.

When was this NPI record last updated?

The NPPES record for Sam Gao was last updated on October 16, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.