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DR. DANIEL PAUL STUPAK M.D.
NPI 1669664314
Internal Medicine - Gastroenterology in Trumbull, CT

Active since August 16, 2007PECOS EnrolledAccepts Medicare Assignment
85.07/100
CMS Quality Rating
115 TECHNOLOGY DR UNIT B106, TRUMBULL, CT 06611(203) 452-1411(203) 452-1412 Get Directions Write a Review

NPPES record last updated: August 6, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Daniel Paul Stupak M.d. NPPES

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

DR. DANIEL PAUL STUPAK M.D. (NPI 1669664314) is an individual gastroenterology provider in Trumbull, Connecticut, licensed in Connecticut (045783) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2004).

NPPES Registry Identity

NPI1669664314
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. DANIEL PAUL STUPAKCredential: M.D.
Location Address115 TECHNOLOGY DR UNIT B106Trumbull, CT 06611-6339
Mailing Address115 Technology Dr Unit B106Trumbull, CT 06611-6339 · (203) 452-1411 · Fax (203) 452-1412
Phone(203) 452-1411
Fax(203) 452-1412
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2004
Enumeration DateAugust 16, 2007
Last NPPES UpdateAugust 6, 2013
✔ NPI 1669664314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 045783
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 245703 (NY), 045783 (CT)
115 TECHNOLOGY DR UNIT B106, Trumbull, CT 06611
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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. Daniel Paul Stupak 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 ID2062502586
PECOS Enrollment IDI20110524000452
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 Reassignments

3

Medicare enrollment records show Daniel Stupak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neighborhood Health, Inc.
36 mi
General Practice
59 FIELD STREET
Torrington, CT 06790
  • Reassigned Medicare billing, Connecticut enrollment
  • 288 clinicians in this Medicare group
NPI 1043544489 (860) 877-7400
Connecticut Gi PLLC
42 mi
Gastroenterology
85 SEYMOUR ST, 1000
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 417 clinicians in this Medicare group
NPI 1023124625 (860) 246-2571
Hartford Healthcare Medical Group Specialists, PLLC
42 mi
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
NPI 1023584216 (860) 246-2071

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 13

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
85 services63 patients
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.
62 services51 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
50 services49 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services41 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
48 services47 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
42 services42 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06611 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.

85.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.7
Promoting Interoperability83
Improvement Activities40
Cost68.33

Reported Quality Measures

Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
96%74 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
74%110 patients4/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
47%110 patients2/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
19%110 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
22%110 patients
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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRYSTA SCHAEFER BCBA, MS, LBA
Behavior Analyst
115 TECHNOLOGY DR UNIT B106
TRUMBULL, CT 06611
Greater Bridgeport Planning Region (203) 247-5023
MR. JOHN GUIDO NAPOLITANO PA-C
Physician Assistant
115 TECHNOLOGY DR UNIT B106
TRUMBULL, CT 06611
Greater Bridgeport Planning Region (203) 372-6460

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 Daniel Stupak's NPI number?

The NPI number for Daniel Stupak is 1669664314. It was assigned to this individual provider in the NPPES registry on August 16, 2007.

Where is Daniel Stupak located?

Daniel Stupak practices at 115 Technology Dr Unit B106, Trumbull, CT 06611. The listed phone number is (203) 452-1411.

What is Daniel Stupak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Daniel Stupak enrolled in Medicare?

Yes. Daniel Stupak 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 Daniel Stupak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Stupak reassigns Medicare benefits to 3 organizations: Neighborhood Health, Inc. (Torrington, CT), Connecticut Gi PLLC (Hartford, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, 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 Daniel Stupak'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 Daniel Stupak was last updated on August 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.