SIERRA HESS
NPI 1649813932
Nurse Anesthetist, Certified Registered in San Francisco, CA

Active since October 20, 2019Accepts Medicare Assignment
126 BAKER ST, SAN FRANCISCO, CA 94117(808) 463-1284 Get Directions Write a Review

NPPES record last updated: March 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 30, 2021, Oct 20, 2019 (2 updates tracked since 2019).

About Sierra Hess NPPES

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

SIERRA HESS (NPI 1649813932) is an individual nurse anesthetist, certified registered in San Francisco, California, licensed in California (95110457) and active in the NPI registry since October 2019. She is a graduate of Other (2019).

NPPES Registry Identity

NPI1649813932
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameSIERRA HESS
Location Address126 BAKER STSan Francisco, CA 94117-2111
Mailing Address126 Baker StSan Francisco, CA 94117-2111 · (808) 463-1284
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 20, 2019
Last NPPES UpdateMarch 22, 20242 updates tracked since enumeration
NPPES CertifiedMarch 5, 2024
✔ NPI 1649813932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 95110457
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 95110457 (CA)
126 BAKER ST, San Francisco, CA 94117

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

Sierra Hess 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 ID7911334750
PECOS Enrollment IDI20200217004204

Medicare Billing Reassignments

5

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

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Anesthesiology
88 SUTTER ST
San Francisco, CA 94104
  • Reassigned Medicare billing, California enrollment
  • 94 clinicians in this Medicare group
Anesthesiology
1100 SOUTH ELISCO DRIVE, SUITE 3
Greenbrae, CA 94904
  • Reassigned Medicare billing, California enrollment
  • 37 clinicians in this Medicare group
Anesthesiology
914 PINE ST
Mount Shasta, CA 96067
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
Anesthesiology
4005 MISSION OAKS BLVD UNIT A
Camarillo, CA 93012
  • Reassigned Medicare billing, California enrollment
  • 112 clinicians in this Medicare group

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 94117 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.

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 Sierra Hess's NPI number?

The NPI number for Sierra Hess is 1649813932. It was assigned to this individual provider in the NPPES registry on October 20, 2019.

Where is Sierra Hess located?

Sierra Hess practices at 126 Baker St, San Francisco, CA 94117. The listed phone number is (808) 463-1284.

What is Sierra Hess's specialty?

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

Is Sierra Hess enrolled in Medicare?

Yes. Sierra Hess 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 Sierra Hess's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Hess reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (San Francisco, CA), Mai Nursing Anesthesia PC (San Francisco, CA), Amsurg Marin Anesthesia LP (Greenbrae, CA), Parish Anesthesia Of California, A Professional Medical Corporation (Mount Shasta, CA) and Apa Medical Group, Inc. (Camarillo, 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 Sierra Hess'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 Sierra Hess was last updated on March 22, 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.