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DR. KAREN ELIZABETH DALTON M.D.
NPI 1962757633
Internal Medicine in Stamford, CT

Active since July 19, 2012PECOS EnrolledAccepts Medicare Assignment
1180 NEWFIELD AVE, STAMFORD, CT 06905(314) 888-5233(720) 547-6813 Get Directions Write a Review

NPPES record last updated: March 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 8, 2024, Mar 17, 2023, Jan 28, 2023 and 1 more (4 updates tracked since 2021).

About Dr. Karen Elizabeth Dalton M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KAREN ELIZABETH DALTON M.D. (NPI 1962757633) is an individual internal medicine provider in Stamford, Connecticut, licensed in Colorado (35218) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1962757633
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KAREN ELIZABETH DALTONCredential: M.D.
Location Address1180 NEWFIELD AVEStamford, CT 06905-1409
Mailing Address1180 Newfield AveStamford, CT 06905-1409 · (314) 888-5233 · Fax (720) 547-6813
Phone(314) 888-5233
Fax(720) 547-6813
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateJuly 19, 2012
Last NPPES UpdateMarch 8, 20244 updates tracked since enumeration
NPPES CertifiedMarch 8, 2024
✔ NPI 1962757633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · 35218
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.
1180 NEWFIELD AVE, Stamford, CT 06905
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Other Names 1

Former Name (1)Dr. Karen Elizabeth Johannes M.d.

Other Identifiers 1

Medicaid01213318NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, UnitedHealthcare.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. Karen Elizabeth Dalton 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 ID6002059193
PECOS Enrollment IDI20240807004489
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.

Medicare Billing Reassignment

Medicare enrollment records show Karen Dalton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

My Catholic Doctor, P.L.L.C.
5.4 mi
Pediatrics
711 SILVERMINE RD
New Canaan, CT 06840
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: My Catholic Doctor PLLC
  • 10 clinicians in this Medicare group
NPI 1396201307 (314) 435-6105

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 06905 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.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%21 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DEBRA SUSAN GRAMLICH M.D.
Family Medicine
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
ANA G SCHMUDE MA
Counselor
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
JENNIFER C MORTON PT, DPT
Physical Therapist
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
ELAINE BILBILY SCHENK
Family Medicine
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
PATRICK D FLANIGAN FNP-C
Nurse Practitioner (Family)
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
KATRISHA VILLARANTE LPC
Counselor (Mental Health)
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
MRS. DIANE LYNN DUNNIWAY NPP
Nurse Practitioner (Obstetrics & Gynecology)
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233
BERNADETTE POWELL
Physician Assistant
1180 NEWFIELD AVE
STAMFORD, CT 06905
Western Connecticut Planning Region (314) 888-5233

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 Karen Dalton's NPI number?

The NPI number for Karen Dalton is 1962757633. It was assigned to this individual provider in the NPPES registry on July 19, 2012. The provider is also known as Dr. Karen Elizabeth Johannes M.D..

Where is Karen Dalton located?

Karen Dalton practices at 1180 Newfield Ave, Stamford, CT 06905. The listed phone number is (314) 888-5233.

What is Karen Dalton's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karen Dalton enrolled in Medicare?

Yes. Karen Dalton 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 organization bills Medicare for Karen Dalton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Dalton reassigns Medicare benefits to My Catholic Doctor, P.L.L.C. (New Canaan, CT). The 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 Karen Dalton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Dalton accept?

Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Karen Dalton 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 Karen Dalton was last updated on March 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.