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ROBERT CHRISTIAN WENZ
NPI 1003438623
Nurse Anesthetist, Certified Registered in San Francisco, CA

Active since May 18, 2020Accepts Medicare Assignment
88.2/100
CMS Quality Rating
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-8054(415) 353-8674 Get Directions Write a Review

NPPES record last updated: August 30, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 10, 2023, Dec 29, 2021, Jun 10, 2020 and 1 more (4 updates tracked since 2020).

About Robert Christian Wenz NPPES

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

ROBERT CHRISTIAN WENZ (NPI 1003438623) is an individual nurse anesthetist, certified registered in San Francisco, California, licensed in California (NA95001525) and active in the NPI registry since May 2020. He is a graduate of Other (2020).

NPPES Registry Identity

NPI1003438623
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameROBERT CHRISTIAN WENZ
Location Address505 PARNASSUS AVESan Francisco, CA 94143
Mailing Address505 Parnassus AveSan Francisco, CA 94143 · (415) 353-8054 · Fax (415) 353-8674
Phone(415) 353-8054
Fax(415) 353-8674
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMay 18, 2020
Last NPPES UpdateAugust 30, 20244 updates tracked since enumeration
NPPES CertifiedAugust 30, 2024
✔ NPI 1003438623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · NA95001525
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
505 PARNASSUS AVE, San Francisco, CA 94143
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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 and accepts Medicare assignment

Robert Christian Wenz 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 ID8921420209
PECOS Enrollment IDI20221222001509

Medicare Billing Reassignments

5

Medicare enrollment records show Robert Wenz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Anesthesia Medical Group
Same address
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000
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
Permanente Medical Group Inc
1.7 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200
Anesthesia & Analgesia Medical Group, Inc.
48 mi
Anesthesiology
2455 BENNETT VALLEY RD STE C219
Santa Rosa, CA 95404
  • Reassigned Medicare billing, California enrollment
  • 140 clinicians in this Medicare group
NPI 1659320984 (707) 522-1800

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

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.

Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
15 services15 patients

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
$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.

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.

88.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.57
Improvement Activities40

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.

CATHERINE RAMSDELL NNP
Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1000
DR. CLAUDIO ANDRES BRAVO CARRILLO M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-4243
MAURICIO JALIFE BUCAY M.D
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 750-4994
EMMA B SHAK M.D.
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1528
DR. ADRIANA A.T. MARTIN M.D., PH.D.
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
WILLIAM JAMES DEARDORFF
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
San Francisco County (415) 406-1417
KEERTHANA REDDY BANALA
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
ARACELI SANCHEZ RN
Registered Nurse
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1000

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 Robert Wenz's NPI number?

The NPI number for Robert Wenz is 1003438623. It was assigned to this individual provider in the NPPES registry on May 18, 2020.

Where is Robert Wenz located?

Robert Wenz practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-8054.

What is Robert Wenz's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Robert Wenz enrolled in Medicare?

Yes. Robert Wenz 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 Robert Wenz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Wenz reassigns Medicare benefits to 5 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Permanente Medical Group Inc (San Francisco, CA) and Anesthesia & Analgesia Medical Group, Inc. (Santa Rosa, 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 Robert Wenz'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 Robert Wenz was last updated on August 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.