DENISE GERSHWIN CNM, NP
NPI 1477504462
Advanced Practice Midwife in San Diego, CA

Active since May 13, 2006PECOS Enrolled
34800 BOB WILSON DR, SAN DIEGO, CA 92134(619) 524-6346 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Denise Gershwin Cnm, Np NPPES

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

DENISE GERSHWIN CNM, NP (NPI 1477504462) is an individual advanced practice midwife in San Diego, California, licensed in California (NMW1636) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477504462
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameDENISE GERSHWINCredential: CNM, NP
Location Address34800 BOB WILSON DRSan Diego, CA 92134-1098
Mailing Address2218 Knollview LnSpring Valley, CA 91977-7037 · (619) 524-6346
Sole ProprietorNo
Enumeration DateMay 13, 2006
Last NPPES UpdateDecember 1, 2021
✔ NPI 1477504462 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 · NMW1636
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.
34800 BOB WILSON DR, San Diego, CA 92134

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Denise Gershwin Cnm, Np 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 Denise Gershwin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
1288 CAMINO DEL RIO N
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 13,921 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 92134 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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 20

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

Nurse Practitioner (Pediatrics)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Family Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse's Aide
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Anesthesiology
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Urology (Pediatric Urology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Emergency Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Military Health Care Provider
34800 BOB WILSON DR
SAN DIEGO, CA 92134

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 Denise Gershwin's NPI number?

The NPI number for Denise Gershwin is 1477504462. It was assigned to this individual provider in the NPPES registry on May 13, 2006.

Where is Denise Gershwin located?

Denise Gershwin practices at 34800 Bob Wilson Dr, San Diego, CA 92134. The listed phone number is (619) 524-6346.

What is Denise Gershwin's specialty?

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

Is Denise Gershwin enrolled in Medicare?

Yes. Denise Gershwin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Denise Gershwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise Gershwin reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Denise Gershwin'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 Denise Gershwin was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.