1. Home
  2. Directory
  3. Connecticut
  4. Wallingford
  5. Internal Medicine
  6. NPI Profile

DR. ANDREA GAIL ISAACS M.D.
NPI 1457491532
Internal Medicine in Wallingford, CT

Active since February 07, 2007PECOS EnrolledAccepts Medicare Assignment
91.58/100
CMS Quality Rating
50 GAYLORD FARM RD, WALLINGFORD, CT 06492(203) 284-2800 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 3, 2025, Sep 6, 2024, Apr 25, 2018 (3 updates tracked since 2018).

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 and is a graduate of University Of Pittsburgh School Of Medicine (1997).

NPPES Registry Identity

NPI1457491532
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANDREA GAIL ISAACSCredential: M.D.
Location Address50 GAYLORD FARM RDWallingford, CT 06492-2899
Mailing Address50 Gaylord Farm RdWallingford, CT 06492-2899 · (203) 284-2800
Phone(203) 284-2800
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1997
Enumeration DateFebruary 7, 2007
Last NPPES UpdateSeptember 3, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1457491532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CT · 74943✔ Licensed in NY · 212109
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 212109 (NY)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 212109 (NY)
50 GAYLORD FARM RD, Wallingford, CT 06492
Open in Google Maps ↗

Other Identifiers 1

Other25MA0762130NJ · Medical License #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID3779506480
PECOS Enrollment IDI20230905000330
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.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
36 services21 patients

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.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

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.

91.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.09
Improvement Activities40

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.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
2 suppliers12 claims12 services$34.08 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers11 claims11 services$76.02 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers14 claims39 services$28.43 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers13 claims78 services$1.81 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier20 claims20 services$13.55 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
4 suppliers69 claims69 services$911.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ANG ZHANG D.O.
Internal Medicine
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 688-1734
IRENE SCANLON LCSW
Social Worker (Clinical)
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 741-3413
ELISSA CLAIRE ZERA RN
Registered Nurse (Rehabilitation)
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 287-2800
AMANDA SCHOLL LCSW
Social Worker (Clinical)
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 284-2734
KATEY ELIZABETH GREEN APRN
Nurse Practitioner
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 284-2800
COURTNEY P RAYNOR APRN
Nurse Practitioner (Psychiatric/Mental Health)
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 284-2800
GINA M SMITH APRN
Nurse Practitioner (Psychiatric/Mental Health)
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 284-2800
DR. NESLYNE BELINDA AUGUSTIN MD
Internal Medicine
50 GAYLORD FARM RD
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (203) 284-2800

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.

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 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.