DR. PATRICK JOSEPH CAHILL M.D.
NPI 1578884698
Internal Medicine - Infectious Disease in Norwich, CT

Active since June 14, 2010PECOS EnrolledAccepts Medicare Assignment
86.41/100
CMS Quality Rating
164 OTROBANDO AVENUE, NORWICH, CT 06360(860) 886-8545 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Patrick Joseph Cahill M.d. NPPES

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

DR. PATRICK JOSEPH CAHILL M.D. (NPI 1578884698) is an individual infectious disease provider in Norwich, Connecticut, licensed in Connecticut (65372) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1578884698
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. PATRICK JOSEPH CAHILLCredential: M.D.
Location Address164 OTROBANDO AVENUENorwich, CT 06360-2116
Mailing Address1290 Silas Deane HwyWethersfield, CT 06109-4337 · (860) 972-9093 · Fax (860) 972-7040
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 14, 2010
Last NPPES UpdateNovember 3, 2025
NPPES CertifiedNovember 3, 2025
✔ NPI 1578884698 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in CT · 65372✔ Licensed in MA · 262539
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
164 OTROBANDO AVENUE, Norwich, CT 06360

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. Patrick Joseph Cahill 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 ID9739494774
PECOS Enrollment IDI20150819008335, I20200917002997
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

5

Medicare enrollment records show Patrick Cahill reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
80 SEYMOUR ST, HARTFORD HOSPITAL PROFESSIONAL SERVICES
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • Also billed through NPI 1770696643 (Connecticut)
  • 1,333 clinicians in this Medicare group
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
General Acute Care Hospital
540 LITCHFIELD ST
Torrington, CT 06790
  • Reassigned Medicare billing, Connecticut enrollment
  • 374 clinicians in this Medicare group
Internal Medicine
100 TER HEUN DR
Falmouth, MA 02540
  • Reassigned Medicare billing, Massachusetts enrollment
  • 238 clinicians in this Medicare group
Neuroradiology
27 PARK ST
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 678 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 7

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
117 services27 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.
37 services22 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
25 services21 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.
21 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
18 services14 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cape Cod Hospital

Acute Care Hospitals · Hyannis, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220012
Location27 Park StreetHyannis, MA 02601 · Barnstable County
Emergency services Birthing friendly

Falmouth Hospital

Acute Care Hospitals · Falmouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220135
Location67 & 100 Ter Heun DriveFalmouth, MA 02540 · Barnstable County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06360 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.

86.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.99
Promoting Interoperability100
Improvement Activities40
Cost43.03

Other Providers at the Same Location NPPES

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

Behavior Technician
164 OTROBANDO AVENUE, SUITE B
NORWICH, CT 06360

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 Patrick Cahill's NPI number?

The NPI number for Patrick Cahill is 1578884698. It was assigned to this individual provider in the NPPES registry on June 14, 2010.

Where is Patrick Cahill located?

Patrick Cahill practices at 164 Otrobando Avenue, Norwich, CT 06360. The listed phone number is (860) 886-8545.

What is Patrick Cahill's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Patrick Cahill enrolled in Medicare?

Yes. Patrick Cahill 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 Patrick Cahill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Cahill reassigns Medicare benefits to 5 organizations: Hartford Hospital (Hartford, CT), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT), The Charlotte Hungerford Hospital (Torrington, CT), Physicians Of Falmouth Hospital (Falmouth, MA) and Physicians Of Cape Cod Hospital (Hyannis, MA). 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 Patrick Cahill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Patrick Cahill accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Patrick Cahill 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.

Is Patrick Cahill affiliated with any hospitals?

According to CMS data, Patrick Cahill is affiliated with Cape Cod Hospital and Falmouth Hospital.

When was this NPI record last updated?

The NPPES record for Patrick Cahill was last updated on November 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.