1. Home
  2. Directory
  3. California
  4. Vallejo
  5. Advanced Practice Midwife
  6. NPI Profile

SARAH HARK SUN HAMBURGER CNM
NPI 1376382457
Advanced Practice Midwife in Vallejo, CA

Active since May 20, 2024PECOS EnrolledAccepts Medicare Assignment
210 HOSPITAL DR, VALLEJO, CA 94589(707) 645-7316 Get Directions Write a Review

NPPES record last updated: May 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sarah Hark Sun Hamburger Cnm NPPES

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

SARAH HARK SUN HAMBURGER CNM (NPI 1376382457) is an individual advanced practice midwife in Vallejo, California, licensed in California (236454) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1376382457
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameSARAH HARK SUN HAMBURGERCredential: CNM
Location Address210 HOSPITAL DRVallejo, CA 94589-2517
Mailing AddressPo Box 22210Oakland, CA 94623-2210
Phone(707) 645-7316
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 20, 2024
NPPES CertifiedMay 20, 2024
✔ NPI 1376382457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in CA · 236454
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
210 HOSPITAL DR, Vallejo, CA 94589
Open in Google Maps ↗

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

Sarah Hark Sun Hamburger Cnm 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 ID5092258145
PECOS Enrollment IDI20240618002448
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 Sarah Hamburger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

El Camino Health Medical Network, LLC
59 mi
Multi-Specialty
828 S WINCHESTER BLVD
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 314 clinicians in this Medicare group
NPI 1164880761 (408) 871-3400

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 94589 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
$98.85 typical visit price
range $65.02 – $191.95
Typical copayment $24.71 (range $16.25 – $47.98)
Most-billed visit code 99203
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
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 11

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

DR. JODY LINN DAUDEL MD
Obstetrics & Gynecology
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316
MARIA LUCIA PEREZ AGUDELO MD
Family Medicine
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316
MS. LYNDSAY S HUGHES MSW
Social Worker (Clinical)
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316
TRACY EIDSON N.P.
Nurse Practitioner
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316
ANAHITA GUIDE BUNCE MD
Obstetrics & Gynecology
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (415) 305-5105
MS. VERONICA CASTILLO R.D.
Dietitian, Registered
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316
ELIANA SISNEROS
Social Worker (Clinical)
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316
NADIA SANDOVAL B.S.
Counselor (Mental Health)
210 HOSPITAL DR
VALLEJO, CA 94589
Napa County (707) 645-7316

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 Sarah Hamburger's NPI number?

The NPI number for Sarah Hamburger is 1376382457. It was assigned to this individual provider in the NPPES registry on May 20, 2024.

Where is Sarah Hamburger located?

Sarah Hamburger practices at 210 Hospital Dr, Vallejo, CA 94589. The listed phone number is (707) 645-7316.

What is Sarah Hamburger's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Sarah Hamburger enrolled in Medicare?

Yes. Sarah Hamburger 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 organization bills Medicare for Sarah Hamburger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Hamburger reassigns Medicare benefits to El Camino Health Medical Network, LLC (San Jose, CA). 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 Sarah Hamburger'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 Sarah Hamburger was last updated on May 20, 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.