DR. ANDREA GAIL ISAACS M.D.
NPI 1457491532
Internal Medicine in Wallingford, CT
About Dr. Andrea Gail Isaacs M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREA GAIL ISAACS M.D. (NPI 1457491532) is an individual internal medicine provider in Wallingford, Connecticut, licensed in Connecticut (74943) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hartford, and is a graduate of University Of Pittsburgh School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 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. Andrea Gail Isaacs 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.
Medicare Billing Reassignments
3Medicare enrollment records show Andrea Isaacs reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wallingford, CT 06492
- Reassigned Medicare billing, Connecticut enrollment
- 84 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 clinicians in this Medicare group
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 836 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06492 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 13
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WALLINGFORD, CT 06492
WALLINGFORD, CT 06492
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 Andrea Isaacs's NPI number?
The NPI number for Andrea Isaacs is 1457491532. It was assigned to this individual provider in the NPPES registry on February 7, 2007.
Where is Andrea Isaacs located?
Andrea Isaacs practices at 50 Gaylord Farm Rd, Wallingford, CT 06492. The listed phone number is (203) 284-2800.
What is Andrea Isaacs's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrea Isaacs enrolled in Medicare?
Yes. Andrea Isaacs 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 Andrea Isaacs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Isaacs reassigns Medicare benefits to 3 organizations: Gaylord Hospital, Inc. (Wallingford, CT), Trinity Health Of New England Provider Network Organization Inc (Hartford, CT) and Icahn School Of Medicine At Mount Sinai (Elmhurst, 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 Andrea Isaacs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrea Isaacs accept?
Health plans from Anthem Blue Cross and Blue Shield list Andrea Isaacs 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 Andrea Isaacs was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Andrea Gail Isaacs, M.D. · NPI 1457491532
Internal Medicine physician in Wallingford, Connecticut. Individual provider, active in the CMS NPPES registry since February 7, 2007.
## Identity
- **NPI:** 1457491532 (Entity type: Individual)
- **Enumerated:** February 7, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 74943 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 GAYLORD FARM RD, Wallingford, CT 06492-2899
- **Phone:** (203) 284-2800
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Gaylord Hospital, Inc. (NPI 1730137753, Wallingford, CT); Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT); Icahn School Of Medicine At Mount Sinai (NPI 1063766038, Elmhurst, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** September 3, 2025
- **Other identifiers:** Other 25MA0762130 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1457491532) · Data from the CMS NPPES public registry.