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DR. SARA ELIZABETH MAZZONI MD
NPI 1235285842
Obstetrics & Gynecology in Bethesda, MD

Active since January 26, 2007PECOS Enrolled
4701 SANGAMORE RD STE N100, BETHESDA, MD 20816(914) 919-9200 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 16, 2026, Apr 25, 2022, Jul 1, 2020 and 1 more (4 updates tracked since 2016).

About Dr. Sara Elizabeth Mazzoni Md NPPES

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

DR. SARA ELIZABETH MAZZONI MD (NPI 1235285842) is an individual obstetrics & gynecology provider in Bethesda, Maryland, licensed in Washington (MD61051383) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235285842
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. SARA ELIZABETH MAZZONICredential: MD
Location Address4701 SANGAMORE RD STE N100Bethesda, MD 20816-2558
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Phone(914) 919-9200
Sole ProprietorNo
Enumeration DateJanuary 26, 2007
Last NPPES UpdateApril 16, 20264 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
✔ NPI 1235285842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · MD61051383
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · Maternal & Fetal MedicineTaxonomy 207VM0101X · License MD61051383 (WA)
4701 SANGAMORE RD STE N100, Bethesda, MD 20816
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Other Identifiers 2

Medicaid1235285842WA
Medicaid2157106WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sara Elizabeth Mazzoni Md 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 Reassignments

3

Medicare enrollment records show Sara Mazzoni reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Alabama Health Services Foundation, PC
648 mi
Clinical Medical Laboratory
720 20TH STREET SOUTH
Birmingham, AL 35294
  • Reassigned Medicare billing, Alabama enrollment
  • 4,494 clinicians in this Medicare group
NPI 1366638330 (205) 934-4983
Conquer Addiction PLLC
2,305 mi
Multi-Specialty
809 W MAIN ST STE C
Monroe, WA 98272
  • Reassigned Medicare billing, Washington enrollment
  • 7 clinicians in this Medicare group
NPI 1255001624 (206) 552-0882
Valley Medical Group-Renton
2,317 mi
General Acute Care Hospital
400 S 43RD ST
Renton, WA 98055
  • Reassigned Medicare billing, Washington enrollment
  • 689 clinicians in this Medicare group
NPI 1619209574 (425) 228-3440

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 20816 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

FRANCISCO SANCHEZ
Physical Therapy Assistant
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (209) 703-7118
MINDSCAPE PSYCH, PLLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (240) 484-4226
DR. ISABELLE VON KOHORN MD, PHD
Pediatrics (Neonatal-Perinatal Medicine)
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (914) 919-9200
GRACE GOODWIN DWYER RD, LDN
Dietitian, Registered
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (914) 919-9200
EBONY WILLIAMS
Counselor (Professional)
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (240) 814-7788
LES SOINS, LLC
Home Health
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (202) 630-3144
POMELO PC
Obstetrics & Gynecology
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (914) 919-9200
ALEX LIMAGE
Physical Therapy Assistant
4701 SANGAMORE RD STE N100
BETHESDA, MD 20816
Montgomery County (619) 212-2932

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 Sara Mazzoni's NPI number?

The NPI number for Sara Mazzoni is 1235285842. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Sara Mazzoni located?

Sara Mazzoni practices at 4701 Sangamore Rd Ste N100, Bethesda, MD 20816. The listed phone number is (914) 919-9200.

What is Sara Mazzoni's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Sara Mazzoni enrolled in Medicare?

Yes. Sara Mazzoni is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sara Mazzoni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Mazzoni reassigns Medicare benefits to 3 organizations: University Of Alabama Health Services Foundation, PC (Birmingham, AL), Conquer Addiction PLLC (Monroe, WA) and Valley Medical Group-Renton (Renton, WA). 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 Sara Mazzoni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Mazzoni accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sara Mazzoni as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sara Mazzoni was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.