DR. SIOBHAN M DOLAN MD
NPI 1891875373
Obstetrics & Gynecology in Farmington, CT
About Dr. Siobhan M Dolan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIOBHAN M DOLAN MD (NPI 1891875373) is an individual obstetrics & gynecology provider in Farmington, Connecticut, licensed in Connecticut (036847) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Harvard Medical School (1993).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Siobhan M Dolan 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
4Medicare enrollment records show Siobhan Dolan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington, CT 06030
- Reassigned Medicare billing, Connecticut enrollment
- 788 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 638 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 1,615 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1922411065 (New York)
- 134 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 06030 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.
FARMINGTON, CT 06030
FARMINGTON, CT 06030
FARMINGTON, CT 06030
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 Siobhan Dolan's NPI number?
The NPI number for Siobhan Dolan is 1891875373. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is Siobhan Dolan located?
Siobhan Dolan practices at 263 Farmington Ave, Farmington, CT 06030. The listed phone number is (860) 679-2792.
What is Siobhan Dolan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Siobhan Dolan enrolled in Medicare?
Yes. Siobhan Dolan 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 Siobhan Dolan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siobhan Dolan reassigns Medicare benefits to 4 organizations: University Of Connecticut Health Center (Farmington, CT), Nuvance Health Medical Practice PC (Poughkeepsie, NY), New York City Health And Hospitals Corporation (Bronx, NY) and Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Siobhan Dolan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siobhan Dolan accept?
Health plans from Anthem Blue Cross and Blue Shield list Siobhan Dolan 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 Siobhan Dolan was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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. Siobhan M Dolan, MD · NPI 1891875373
Obstetrics & Gynecology physician in Farmington, Connecticut. Individual provider, active in the CMS NPPES registry since October 17, 2006.
## Identity
- **NPI:** 1891875373 (Entity type: Individual)
- **Enumerated:** October 17, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 036847 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 263 FARMINGTON AVE, Farmington, CT 06030-8085
- **Phone:** (860) 679-2792 · **Fax:** (860) 679-8882
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Connecticut Health Center (NPI 1720083769, Farmington, CT); Nuvance Health Medical Practice PC (NPI 1437358033, Poughkeepsie, NY); New York City Health And Hospitals Corporation (NPI 1023024882, Bronx, NY); Icahn School Of Medicine At Mount Sinai (NPI 1124392212, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1993
## Record status
- **NPPES last updated:** September 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891875373) · Data from the CMS NPPES public registry.