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DR. PATRICK S. MCQUILLEN M.D.
NPI 1285744607
Pediatrics in San Francisco, CA

Active since August 30, 2006PECOS Enrolled
505 PARNASSUS AVE # M-680, SAN FRANCISCO, CA 94143(415) 476-5153(415) 502-4186 Get Directions Write a Review

NPPES record last updated: July 22, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Patrick S. Mcquillen M.d. NPPES

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

DR. PATRICK S. MCQUILLEN M.D. (NPI 1285744607) is an individual pediatrics provider in San Francisco, California, licensed in California (G75688) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285744607
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. PATRICK S. MCQUILLENCredential: M.D.
Location Address505 PARNASSUS AVE # M-680San Francisco, CA 94143-2204
Mailing Address1635 Divisadero St, Suite 625, Box 1821San Francisco, CA 94143-0001
Phone(415) 476-5153
Fax(415) 502-4186
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 22, 2008
✔ NPI 1285744607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G75688
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License G75688 (CA)
505 PARNASSUS AVE # M-680, San Francisco, CA 94143
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Other Identifiers 3

Medicaid00G756880CA
Medicare PIN00G756880CA
Medicare UPING63821CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Patrick S. Mcquillen 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 Reassignments

3

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

Ucsf Pediatrics Associates
Same address
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
0.1 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
0.1 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 94143 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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 Patrick Mcquillen's NPI number?

The NPI number for Patrick Mcquillen is 1285744607. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Patrick Mcquillen located?

Patrick Mcquillen practices at 505 Parnassus Ave # M-680, San Francisco, CA 94143. The listed phone number is (415) 476-5153.

What is Patrick Mcquillen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Patrick Mcquillen enrolled in Medicare?

Yes. Patrick Mcquillen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Patrick Mcquillen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Mcquillen reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). 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 Patrick Mcquillen'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 Patrick Mcquillen was last updated on July 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.