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DR. DONALD ERNEST SAMPSON M.D.
NPI 1558318501
Pediatrics in Stamford, CT

Active since May 27, 2006PECOS Enrolled
1 HOSPITAL PLZ, STAMFORD, CT 06902(203) 276-7831 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 4, 2023, Sep 23, 2022 (2 updates tracked since 2022).

About Dr. Donald Ernest Sampson M.d. NPPES

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

DR. DONALD ERNEST SAMPSON M.D. (NPI 1558318501) is an individual pediatrics provider in Stamford, Connecticut, licensed in Connecticut (037378) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1558318501
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. DONALD ERNEST SAMPSONCredential: M.D.
Location Address1 HOSPITAL PLZStamford, CT 06902-3602
Mailing Address1 Hospital PlzStamford, CT 06902-3602 · (203) 276-7831
Phone(203) 276-7831
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateJanuary 16, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2025
✔ NPI 1558318501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 037378
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedInternal MedicineTaxonomy 207R00000X · License 037378 (CT)
1 HOSPITAL PLZ, Stamford, CT 06902
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1115 Waterbury RdProspect, CT 06712-1223 · Phone (203) 758-5660 · Fax (203) 758-3161
Location 224 Hospital AveDanbury, CT 06810-6099 · Phone (860) 837-5506 · Fax (860) 837-5540
Location 327 Hospital Ave Ste 201Danbury, CT 06810-5954 · Phone (203) 791-2794 · Fax (203) 791-2791

Other Identifiers 2

Medicaid1373787CT
Medicaid004202206CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Donald Ernest Sampson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Donald Sampson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stamford Health Medical Group Inc
2.2 mi
General Practice
ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907
  • Reassigned Medicare billing, Connecticut enrollment
  • 496 clinicians in this Medicare group
NPI 1154633980 (203) 276-7447

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 06902 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
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.

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.

MR. MATHIAS AIHIOKHAI PA-C
Physician Assistant
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-1000
KRISTA ANN ULRICH PHYSICIAN ASSISTANT
Physician Assistant (Surgical)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-7022
JEFFREY HAMRLICEK PA-C
Physician Assistant (Surgical)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-7022
DR. SCOTT A. COLE M.D.
Obstetrics & Gynecology
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2030
JOAN MORTAROTTI FNP-C
Nurse Practitioner (Family)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2695
DR. ANDREAS BUB MD
Hospitalist
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-7147
FAHMIDA BEGUM PA
Physician Assistant
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-7298
MARYANA GERMAN APRN
Nurse Practitioner (Family)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 348-7410

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 Donald Sampson's NPI number?

The NPI number for Donald Sampson is 1558318501. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Donald Sampson located?

Donald Sampson practices at 1 Hospital Plz, Stamford, CT 06902. The listed phone number is (203) 276-7831.

What is Donald Sampson's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Donald Sampson enrolled in Medicare?

Yes. Donald Sampson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Donald Sampson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Sampson reassigns Medicare benefits to Stamford Health Medical Group Inc (Stamford, 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 Donald Sampson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Donald Sampson was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.