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PATRICK J CAHILL D.O.
NPI 1134229909
Obstetrics & Gynecology in Stamford, CT

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
999 SUMMER ST, SUITE 401, STAMFORD, CT 06905(203) 353-9099(203) 353-9699 Get Directions Write a Review

NPPES record last updated: June 13, 2013. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Patrick J Cahill D.o. NPPES

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

PATRICK J CAHILL D.O. (NPI 1134229909) is an individual obstetrics & gynecology provider in Stamford, Connecticut, licensed in Connecticut (000548) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (1996).

NPPES Registry Identity

NPI1134229909
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NamePATRICK J CAHILLCredential: D.O.
Location Address999 SUMMER ST, SUITE 401Stamford, CT 06905-5546
Mailing Address999 Summer St, Suite 401Stamford, CT 06905-5546 · (203) 353-9099 · Fax (203) 353-9699
Phone(203) 353-9099
Fax(203) 353-9699
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 1996
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJune 13, 2013
✔ NPI 1134229909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CT · 000548
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
999 SUMMER ST, Stamford, CT 06905
Open in Google Maps ↗

Other Identifiers 2

Other000548CT · License
Medicare UPIND80838CT

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

Patrick J Cahill D.o. 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 ID2466608955
PECOS Enrollment IDI20160325000671
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 4

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.
58 services53 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
46 services42 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
26 services26 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
26 services26 patients

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
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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.

DR. THOMAS WILLIAM MANDERS DDS
Dentist (Endodontics)
999 SUMMER ST, SUITE 301
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 325-3636
SHIMRAT R NOTIK MD
Dermatology
999 SUMMER ST, STE 305
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 428-4440
DR. IRENE WONG DDS
Dentist (Endodontics)
999 SUMMER ST, SUITE 301
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 325-3636
DR. ANNA KARIDAS DDS
Dentist (General Practice)
999 SUMMER ST, SUITE 203
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 961-8140
JANET J. HARTERY M.S., P.T.
Specialist
999 SUMMER ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 359-8326
BRITTANY D FINCH
Specialist
999 SUMMER ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 359-8326
ANDREW S. LOVIG PT
Physical Therapist
999 SUMMER ST, FIRST FLOOR
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 359-8326
MRS. DANIELLE MCKAY
Occupational Therapist
999 SUMMER ST, SUITE 104
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 504-2408

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 1134229909. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Patrick Cahill located?

Patrick Cahill practices at 999 Summer St Suite 401, Stamford, CT 06905. The listed phone number is (203) 353-9099.

What is Patrick Cahill's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

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.

When was this NPI record last updated?

The NPPES record for Patrick Cahill was last updated on June 13, 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.