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THOMAS JOSEPH KNIGHTLY JR. M.D.
NPI 1447771282
Psychiatry & Neurology - Psychiatry in Stamford, CT

Active since July 01, 2017PECOS EnrolledAccepts Medicare Assignment
1055 SUMMER ST STE 2, STAMFORD, CT 06905(203) 504-9758 Get Directions Write a Review

NPPES record last updated: September 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2024, Apr 30, 2024, Apr 3, 2023 and 2 more (5 updates tracked since 2017).

About Thomas Joseph Knightly Jr. M.d. NPPES

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

THOMAS JOSEPH KNIGHTLY JR. M.D. (NPI 1447771282) is an individual psychiatry provider in Stamford, Connecticut, licensed in Connecticut (71157) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of Temple University School Of Medicine (2017).

NPPES Registry Identity

NPI1447771282
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameTHOMAS JOSEPH KNIGHTLY JR.Credential: M.D.
Location Address1055 SUMMER ST STE 2Stamford, CT 06905-5527
Mailing Address1055 Summer St Ste 2Stamford, CT 06905-5527 · (203) 504-9758 · Fax (203) 547-4914
Phone(203) 504-9758
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2017
Enumeration DateJuly 1, 2017
Last NPPES UpdateSeptember 30, 20245 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2024
✔ NPI 1447771282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CT · 71157✔ Licensed in CA · A171719
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1055 SUMMER ST STE 2, Stamford, CT 06905
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

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

Thomas Joseph Knightly Jr. 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 ID6901176320
PECOS Enrollment IDI20221219002025, I20260304000486
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 Thomas Knightly reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Evolve Brain Health LLC
Same address
Psychiatry
1055 SUMMER ST
Stamford, CT 06905
  • Reassigned Medicare billing, Connecticut and New York enrollments
  • 6 clinicians in this Medicare group
NPI 1740916105 (203) 504-9758
Stanford Health Care
2,566 mi
Radiation Oncology
5725 W LAS POSITAS BLVD, SUITE 100B
Pleasanton, CA 94588
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1124561758 (650) 723-4000
Lpch Medical Group Div Of Lucile
2,587 mi
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
NPI 1417907940 (650) 498-6762

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 3

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.

Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management 90868
This treatment involves using a magnetic field to activate nerve cells in the brain. It's a non-invasive procedure designed to manage conditions like depression. The magnetic field is precisely targeted to stimulate specific areas of the brain to improve symptoms.
329 services12 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
15 services14 patients
Psychotherapy with evaluation and management visit, 1 hour 90838
Psychotherapy with evaluation and management is a one-hour session where a mental health professional assesses your psychological state and discusses treatment options. This process aims to understand your feelings, thoughts, and behaviors to improve your overall well-being.
13 services11 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
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 5

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

KRISTOFER GENERALES NP
Nurse Practitioner (Psychiatric/Mental Health)
1055 SUMMER ST STE 2
STAMFORD, CT 06905
Western Connecticut Planning Region (914) 413-2324
SHEILAH NOYA PHMNP
Nurse Practitioner (Psychiatric/Mental Health)
1055 SUMMER ST STE 2
STAMFORD, CT 06905
Western Connecticut Planning Region (120) 350-4975
NICHOLAS JOSEPH STANZIONE APRN
Nurse Practitioner (Psychiatric/Mental Health)
1055 SUMMER ST STE 2
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 439-5050
RENEE CAROLINE FONTAINE DNP, FNP, PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1055 SUMMER ST STE 2
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 504-9758
MS. JAE MIN KIM APRN, PMHNP-C
Nurse Practitioner (Psychiatric/Mental Health)
1055 SUMMER ST STE 2
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 504-9758

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 Thomas Knightly's NPI number?

The NPI number for Thomas Knightly is 1447771282. It was assigned to this individual provider in the NPPES registry on July 1, 2017.

Where is Thomas Knightly located?

Thomas Knightly practices at 1055 Summer St Ste 2, Stamford, CT 06905. The listed phone number is (203) 504-9758.

What is Thomas Knightly's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Thomas Knightly enrolled in Medicare?

Yes. Thomas Knightly 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 Thomas Knightly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Knightly reassigns Medicare benefits to 3 organizations: Evolve Brain Health LLC (Stamford, CT), Stanford Health Care (Pleasanton, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, CA). 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 Thomas Knightly'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 Thomas Knightly was last updated on September 30, 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.