SHERRY SIAREZI M.D.
NPI 1942267208
Obstetrics & Gynecology in Brentwood, TN

Active since April 28, 2006PECOS EnrolledAccepts Medicare Assignment
1195 OLD HICKORY BLVD STE 101, BRENTWOOD, TN 37027(629) 230-1988(629) 230-0288 Get Directions Write a Review

NPPES record last updated: June 14, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 14, 2025, Feb 2, 2023, Apr 8, 2021 and 4 more (7 updates tracked since 2017).

About Sherry Siarezi M.d. NPPES

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

SHERRY SIAREZI M.D. (NPI 1942267208) is an individual obstetrics & gynecology provider in Brentwood, Tennessee, licensed in Tennessee (59872) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of State University Of New York Downstate Medical Center (2001).

NPPES Registry Identity

NPI1942267208
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSHERRY SIAREZICredential: M.D.
Location Address1195 OLD HICKORY BLVD STE 101Brentwood, TN 37027-4239
Mailing Address1195 Old Hickory Blvd Ste 101Brentwood, TN 37027-4239 · (629) 230-1988 · Fax (629) 230-0288
Fax(629) 230-0288
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 2001
Enumeration DateApril 28, 2006
Last NPPES UpdateJune 14, 20257 updates tracked since enumeration
NPPES CertifiedJune 14, 2025
✔ NPI 1942267208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in TN · 59872✔ Licensed in HI · MD-19290✔ Licensed in TX · M0274
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 · GynecologyTaxonomy 207VG0400X · License 59872 (TN)
1195 OLD HICKORY BLVD STE 101, Brentwood, TN 37027

Other Names 1

Former Name (1)Shaghayegh Siyahrezaei

Secondary Practice Locations 4

Location 1122 E Commerce StLewisburg, TN 37091-3340 · Phone (615) 790-0567 · Fax (615) 595-8030
Location 23950 N A W Grimes Blvd, Building 2Round Rock, TX 78665-3540 · Phone (877) 800-5722
Location 32011 Murphy Ave Ste 601Nashville, TN 37203-2220 · Phone (615) 284-4070 · Fax (615) 284-4079
Location 41113 Murfreesboro Rd Ste 319Franklin, TN 37064-1312 · Phone (615) 790-0567 · Fax (615) 595-8030

Accepted Insurance

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

Sherry Siarezi M.d. 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 ID446446629
PECOS Enrollment IDI20200814002815
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

7

Medicare enrollment records show Sherry Siarezi reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology, Mobile Mammography
102 WOODMONT BLVD, SUITE 800
Nashville, TN 37205
  • Reassigned Medicare billing, Tennessee enrollment
  • 1,304 clinicians in this Medicare group
Hospitalist
2300 PATTERSON ST
Nashville, TN 37203
  • Reassigned Medicare billing, Tennessee enrollment
  • 420 clinicians in this Medicare group
Obstetrics & Gynecology
2000 CHURCH ST # 3
Nashville, TN 37236
  • Reassigned Medicare billing, Tennessee enrollment
  • 33 clinicians in this Medicare group
Obstetrics & Gynecology
2000 CHURCH ST # 3
Nashville, TN 37236
  • Reassigned Medicare billing, Tennessee enrollment
  • 20 clinicians in this Medicare group
Gynecology
885 MONON GREEN BLVD STE 118
Carmel, IN 46032
  • Reassigned Medicare billing, Tennessee enrollment
  • 8 clinicians in this Medicare group
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 clinicians in this Medicare group
Multi-Specialty
1319 PUNAHOU ST
Honolulu, HI 96826
  • Reassigned Medicare billing, Hawaii enrollment
  • 262 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 37027 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
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.

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 Sherry Siarezi's NPI number?

The NPI number for Sherry Siarezi is 1942267208. It was assigned to this individual provider in the NPPES registry on April 28, 2006. The provider is also known as Shaghayegh Siyahrezaei.

Where is Sherry Siarezi located?

Sherry Siarezi practices at 1195 Old Hickory Blvd Ste 101, Brentwood, TN 37027. The listed phone number is (629) 230-1988.

What is Sherry Siarezi's specialty?

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

Is Sherry Siarezi enrolled in Medicare?

Yes. Sherry Siarezi 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 Sherry Siarezi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sherry Siarezi reassigns Medicare benefits to 7 organizations: Saint Thomas Medical Partners (Nashville, TN), Hospital Medicine Services Of Tn, LLC (Nashville, TN), Midtown Emergency Specialists PC (Nashville, TN), Midtown Physician Services, PC (Nashville, TN), Hermd Medical Services Tn, P.C. (Carmel, IN) and 2 more organizations, listed in the Medicare section above. 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 Sherry Siarezi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sherry Siarezi accept?

Health plans from Blue Cross and Blue Shield of Texas, BlueCross BlueShield of Tennessee and Oscar Insurance Company list Sherry Siarezi 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 Sherry Siarezi was last updated on June 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.