DR. ERICA SHIELDS HAMMER MD
NPI 1790985802
Obstetrics & Gynecology - Maternal & Fetal Medicine in Hartford, CT
About Dr. Erica Shields Hammer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERICA SHIELDS HAMMER MD (NPI 1790985802) is an individual maternal & fetal medicine provider in Hartford, Connecticut, licensed in Connecticut (046997) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Vermont College Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
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. Erica Shields Hammer 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
5Medicare enrollment records show Erica Hammer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 601 clinicians in this Medicare group
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 505 clinicians in this Medicare group
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 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 06102 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.
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
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 Erica Hammer's NPI number?
The NPI number for Erica Hammer is 1790985802. It was assigned to this individual provider in the NPPES registry on July 18, 2007.
Where is Erica Hammer located?
Erica Hammer practices at 80 Seymour Street Hartford Hospital Maternal Fetal Medicine, Hartford, CT 06102. The listed phone number is (860) 972-2884.
What is Erica Hammer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Erica Hammer enrolled in Medicare?
Yes. Erica Hammer 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 Erica Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erica Hammer reassigns Medicare benefits to 5 organizations: Hartford Hospital (Hartford, CT), Connecticut Children's Specialty Group, Inc. (Hartford, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT), Midstate Medical Center (Meriden, CT) and William W Backus Hospital (Norwich, CT). 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 Erica Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erica Hammer accept?
Health plans from Anthem Blue Cross and Blue Shield list Erica Hammer 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 Erica Hammer was last updated on August 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Erica Shields Hammer, MD · NPI 1790985802
Maternal & Fetal Medicine physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since July 18, 2007.
## Identity
- **NPI:** 1790985802 (Entity type: Individual)
- **Enumerated:** July 18, 2007
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** 046997 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 80 SEYMOUR STREET, HARTFORD HOSPITAL MATERNAL FETAL MEDICINE, Hartford, CT 06102-5037
- **Phone:** (860) 972-2884
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Hartford Hospital (NPI 1770696643, Hartford, CT); Connecticut Children's Specialty Group, Inc. (NPI 1669448882, Hartford, CT); The Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1063461481, New Britain, CT); Midstate Medical Center (NPI 1154425288, Meriden, CT); William W Backus Hospital (NPI 1730243536, Norwich, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2004
## Record status
- **NPPES last updated:** August 9, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1790985802) · Data from the CMS NPPES public registry.