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DR. RICHARD WU M.D.
NPI 1639532211
Internal Medicine - Allergy & Immunology in South San Francisco, CA

Active since April 01, 2016PECOS Enrolled
400 OYSTER POINT BLVD, SOUTH SAN FRANCISCO, CA 94080(415) 343-5551 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 4, 2023, Apr 1, 2016 (2 updates tracked since 2016).

About Dr. Richard Wu M.d. NPPES

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

DR. RICHARD WU M.D. (NPI 1639532211) is an individual allergy & immunology provider in South San Francisco, California, licensed in California (A206148) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639532211
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameDR. RICHARD WUCredential: M.D.
Location Address400 OYSTER POINT BLVDSouth San Francisco, CA 94080-1904
Mailing Address400 Oyster Point BlvdSouth San Francisco, CA 94080-1904
Phone(415) 343-5551
Sole ProprietorNo
Enumeration DateApril 1, 2016
Last NPPES UpdateJune 10, 20262 updates tracked since enumeration
NPPES CertifiedJune 10, 2026
✔ NPI 1639532211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in CA · A206148
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
400 OYSTER POINT BLVD, South San Francisco, CA 94080
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Richard Wu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Richard Wu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm
622 mi
Public Health or Welfare
2400 W DATSI ST
Camp Verde, AZ 86322
  • Reassigned Medicare billing, Texas enrollment
  • 599 clinicians in this Medicare group
NPI 1205859618 (928) 567-2168

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94080 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

DISCHARGE RESOURCE GROUP
Local Education Agency (LEA)
400 OYSTER POINT BLVD, SUITE 440
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 877-8111
ASPIRANET
Community/Behavioral Health
400 OYSTER POINT BLVD, SUITE 501
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 866-4080

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 Wu's NPI number?

The NPI number for Richard Wu is 1639532211. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Richard Wu located?

Richard Wu practices at 400 Oyster Point Blvd, South San Francisco, CA 94080. The listed phone number is (415) 343-5551.

What is Richard Wu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Richard Wu enrolled in Medicare?

Yes. Richard Wu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Richard Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richard Wu reassigns Medicare benefits to Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Camp Verde, AZ). The 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 Wu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Richard Wu was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.