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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RICHARD WENXI GAO M.D.
NPI 1598127656
Anesthesiology - Pain Medicine in Portland, OR

Active since March 28, 2016PECOS EnrolledAccepts Medicare Assignment
3303 S BOND AVE, PORTLAND, OR 97239(503) 494-7246(503) 346-6961 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2026, Jul 30, 2024, Dec 6, 2021 and 5 more (8 updates tracked since 2016).

About Richard Wenxi Gao M.d. NPPES

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

RICHARD WENXI GAO M.D. (NPI 1598127656) is an individual pain medicine provider in Portland, Oregon, licensed in Oregon (MD230042) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with West Penn Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1598127656
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameRICHARD WENXI GAOCredential: M.D.
Location Address3303 S BOND AVEPortland, OR 97239-4501
Mailing Address1400 Sw 5th Ave Ste 500Portland, OR 97201-5537 · Fax (503) 346-8021
Phone(503) 494-7246
Fax(503) 346-6961
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2016
Enumeration DateMarch 28, 2016
Last NPPES UpdateSeptember 22, 20268 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1598127656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
Licenses✔ Licensed in OR · MD230042✔ Licensed in PA · MD484468
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License MD230042 (OR), MD484468 (PA)
3303 S BOND AVE, Portland, OR 97239
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15124 Liberty AvePittsburgh, PA 15224-2290 · Phone (412) 315-3380 · Fax (412) 315-3801
Location 23181 SW Sam Jackson Park RdPortland, OR 97239-3011 · Phone (503) 494-7246

Other Identifiers 1

Other15168658Caqh

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Richard Wenxi Gao M.d. 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 ID840583936
PECOS Enrollment IDI20240730003101
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Richard Gao reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Professional Services
0.6 mi
Mental Health (Including Community Mental Health Center)
2525 SW FIRST AVE STE 1215
Portland, OR 97201
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 clinicians in this Medicare group
NPI 1316354970 (503) 494-4745
Allegheny Clinic
2,115 mi
Obstetrics & Gynecology
2501 W 12TH ST, SUITE 10
Erie, PA 16505
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,881 clinicians in this Medicare group
NPI 1538594197 (814) 314-0072
University Anesthesiology Associates, LLC
Anesthesiology
3181 SW SAM JACKSON PARK RD, MAILCODE: SJH-2
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 279 clinicians in this Medicare group
NPI 1841217817 (503) 494-4910

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
93 services53 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
76 services53 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
33 services33 patients
Injection of substance into lower spine canal using imaging guidance 62323
This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
27 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services21 patients
Injection of substance into lower spine canal using imaging guidance 62323
This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
19 services16 patients

Hospital Affiliations CMS Care Compare

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

West Penn Hospital

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390090
Location4800 Friendship AvenuePittsburgh, PA 15224 · Allegheny County
Emergency services Birthing friendly

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.

CHERYL STOMBERG FNP
Nurse Practitioner (Family)
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 494-6594
KIT MIRANDA
Speech-Language Pathologist
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 494-5947
MRS. LINDSAY EVELYN WYANT PAC
Physician Assistant (Surgical)
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 494-8510
MS. STEFANIE ANN BROWN L.C.S.W.
Social Worker (Clinical)
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 494-1775
DR. MELISSA DANIELLE ADAIR ARNP
Nurse Practitioner (Family)
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 418-3376
EMMA MARIANE JONES
Physician Assistant (Medical)
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 494-8573
SUSHILA ANN TOULMIN
Dermatology
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 418-3376
DR. MEGHANA HALKAR MD
Hospitalist
3303 S BOND AVE
PORTLAND, OR 97239
Multnomah County (503) 494-1100

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 Richard Gao's NPI number?

The NPI number for Richard Gao is 1598127656. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Where is Richard Gao located?

Richard Gao practices at 3303 S Bond Ave, Portland, OR 97239. The listed phone number is (503) 494-7246.

What is Richard Gao's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Richard Gao enrolled in Medicare?

Yes. Richard 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.

Which organizations bill Medicare for Richard Gao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richard Gao reassigns Medicare benefits to 3 organizations: University Professional Services (Portland, OR), Allegheny Clinic (Erie, PA) and University Anesthesiology Associates, LLC (Portland, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Richard Gao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Richard Gao affiliated with any hospitals?

According to CMS data, Richard Gao is affiliated with West Penn Hospital.

When was this NPI record last updated?

The NPPES record for Richard Gao was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.