1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Advanced Practice Midwife
  6. NPI Profile

DR. SIERRA DAVIS CNM
NPI 1538815964
Advanced Practice Midwife in Brooklyn, NY

Active since February 24, 2022PECOS Enrolled
801 OCEAN AVE APT 9, BROOKLYN, NY 11226(718) 654-2402 Get Directions Write a Review

NPPES record last updated: December 26, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 26, 2024, Feb 24, 2022 (2 updates tracked since 2022).

About Dr. Sierra Davis Cnm NPPES

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

DR. SIERRA DAVIS CNM (NPI 1538815964) is an individual advanced practice midwife in Brooklyn, New York, licensed in New York (002140) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538815964
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameDR. SIERRA DAVISCredential: CNM
Location Address801 OCEAN AVE APT 9Brooklyn, NY 11226-5948
Mailing Address801 Ocean Ave Apt 9Brooklyn, NY 11226-5948
Phone(718) 654-2402
Sole ProprietorNo
Enumeration DateFebruary 24, 2022
Last NPPES UpdateDecember 26, 20242 updates tracked since enumeration
NPPES CertifiedDecember 26, 2024
✔ NPI 1538815964 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 NY · 002140
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.
801 OCEAN AVE APT 9, Brooklyn, NY 11226
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 (PECOS)

Dr. Sierra Davis Cnm 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 Sierra Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Guirguis Obstetrics & Gynecology, PLLC
3.6 mi
Obstetrics & Gynecology
464 77TH ST
Brooklyn, NY 11209
  • Reassigned Medicare billing, New York enrollment
  • 9 clinicians in this Medicare group
NPI 1356688220 (718) 680-8383

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 11226 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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 Davis's NPI number?

The NPI number for Sierra Davis is 1538815964. It was assigned to this individual provider in the NPPES registry on February 24, 2022.

Where is Sierra Davis located?

Sierra Davis practices at 801 Ocean Ave Apt 9, Brooklyn, NY 11226. The listed phone number is (718) 654-2402.

What is Sierra Davis's specialty?

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

Is Sierra Davis enrolled in Medicare?

Yes. Sierra Davis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sierra Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Davis reassigns Medicare benefits to Guirguis Obstetrics & Gynecology, PLLC (Brooklyn, NY). 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 Sierra Davis'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 Davis was last updated on December 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.