ALEXA MICHELE SASSIN MD
NPI 1336671346
Obstetrics & Gynecology - Reproductive Endocrinology in Boston, MA

Q: What is Alexa Sassin's NPI number?

The NPI number for Alexa Sassin is 1336671346. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Q: What is Alexa Sassin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Q: When was this NPI record last updated?

The NPPES record for Alexa Sassin was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since March 29, 2017PECOS Enrolled

55 FRUIT ST STE 10A, BOSTON, MA 02114(617) 726-8868 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2025, Apr 29, 2024, Mar 29, 2017 (3 updates tracked since 2017).

On this page

About Alexa Michele Sassin Md NPPES

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

ALEXA MICHELE SASSIN MD (NPI 1336671346) is an individual reproductive endocrinology provider in Boston, Massachusetts, licensed in Massachusetts (3015782) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1336671346

Entity TypeIndividualFemale

Primary Taxonomy207VE0102X

Provider Legal NameALEXA MICHELE SASSINCredential: MD

Location Address55 FRUIT ST STE 10ABoston, MA 02114-2696

Mailing Address55 Fruit St Ste 10aBoston, MA 02114-2696 · (617) 726-8868

Phone(617) 726-8868

Sole ProprietorNo

Enumeration DateMarch 29, 2017

Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration

NPPES CertifiedNovember 12, 2025

✔ NPI 1336671346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians

Taxonomy Code207VE0102X

License✔ Licensed in MA · 3015782

Definition

An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License T2062 (TX)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

55 FRUIT ST STE 10A, Boston, MA 02114

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Secondary Practice Location 1

Location 11 Baylor Plz, BCM 610Houston, TX 77030-3411 · Phone (832) 826-7372

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexa Michele Sassin 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

Medicare enrollment records show Alexa Sassin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baylor College Of Medicine

1,608 mi

Family Medicine

1504 TAUB LOOP
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,296 clinicians in this Medicare group

NPI 1053352914 (713) 873-2000

Texas Children's Physician Group

1,609 mi

Pediatrics

6621 FANNIN ST
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Texas Childrens Physician Group
2,498 clinicians in this Medicare group

NPI 1861675506 (832) 824-1000

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 02114 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

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 Alexa Sassin's NPI number?

The NPI number for Alexa Sassin is 1336671346. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Where is Alexa Sassin located?

Alexa Sassin practices at 55 Fruit St Ste 10A, Boston, MA 02114. The listed phone number is (617) 726-8868.

What is Alexa Sassin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Is Alexa Sassin enrolled in Medicare?

Yes. Alexa Sassin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexa Sassin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexa Sassin reassigns Medicare benefits to 2 organizations: Baylor College Of Medicine (Houston, TX) and Texas Children's Physician Group (Houston, TX). 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 Alexa Sassin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexa Sassin accept?

Health plans from Blue Cross and Blue Shield of Texas and Moda Health Plan, Inc. list Alexa Sassin 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 Alexa Sassin was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.