DR. SEAN CRONIN MD
NPI 1710407515
Obstetrics & Gynecology in Falls Church, VA
About Dr. Sean Cronin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEAN CRONIN MD (NPI 1710407515) is an individual obstetrics & gynecology provider in Falls Church, Virginia, licensed in Virginia (0101275934) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Sean Cronin Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Sean Cronin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Maryland Oncology Hematology PA
- 74 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDHoly Cross Germantown Hospital
Acute Care Hospitals · Germantown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FALLS CHURCH, VA 22042
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 Sean Cronin's NPI number?
The NPI number for Sean Cronin is 1710407515. It was assigned to this individual provider in the NPPES registry on June 22, 2017.
Where is Sean Cronin located?
Sean Cronin practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-4001.
What is Sean Cronin's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sean Cronin enrolled in Medicare?
Yes. Sean Cronin 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 Sean Cronin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Cronin reassigns Medicare benefits to 2 organizations: Inova Health Care Services (Falls Church, VA) and Maryland Oncology Hematology, P.A. (Laurel, MD). 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 Sean Cronin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Cronin affiliated with any hospitals?
According to CMS data, Sean Cronin is affiliated with Holy Cross Hospital and Holy Cross Germantown Hospital.
When was this NPI record last updated?
The NPPES record for Sean Cronin was last updated on September 29, 2022. 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.
# Dr. Sean Cronin, MD · NPI 1710407515
Obstetrics & Gynecology physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since June 22, 2017.
## Identity
- **NPI:** 1710407515 (Entity type: Individual)
- **Enumerated:** June 22, 2017
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 0101275934 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 GALLOWS RD, Falls Church, VA 22042-3300
- **Phone:** (703) 776-4001 · **Fax:** (703) 776-7113
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Inova Health Care Services (NPI 1952320061, Falls Church, VA); Maryland Oncology Hematology, P.A. (NPI 1821271032, Laurel, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 29, 2022
- **Other identifiers:** Medicaid 1034243230004 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1710407515) · Data from the CMS NPPES public registry.