SEAN PATTERSON MD
NPI 1366905598
Psychiatry & Neurology - Psychiatry in New Haven, CT

Q: What is Sean Patterson's NPI number?

The NPI number for Sean Patterson is 1366905598. It was assigned to this individual provider in the NPPES registry on April 14, 2019.

Q: What is Sean Patterson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sean Patterson was last updated on April 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 14, 2019PECOS EnrolledAccepts Medicare Assignment

73.56/100

CMS Quality Rating

184 LIBERTY ST, NEW HAVEN, CT 06519(203) 688-9791(203) 688-9744 Get Directions Write a Review

NPPES record last updated: April 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 19, 2026, Apr 14, 2019 (2 updates tracked since 2019).

On this page

About Sean Patterson Md NPPES

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

SEAN PATTERSON MD (NPI 1366905598) is an individual psychiatry provider in New Haven, Connecticut, licensed in Connecticut (68809) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1366905598

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameSEAN PATTERSONCredential: MD

Location Address184 LIBERTY STNew Haven, CT 06519-1625

Mailing Address184 Liberty StNew Haven, CT 06519-1625 · (203) 688-9791 · Fax (203) 688-9744

Phone(203) 688-9791

Fax(203) 688-9744

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateApril 14, 2019

Last NPPES UpdateApril 19, 20262 updates tracked since enumeration

NPPES CertifiedApril 19, 2026

✔ NPI 1366905598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CT · 68809

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.

184 LIBERTY ST, New Haven, CT 06519

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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

Sean Patterson Md 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 ID5698009447

PECOS Enrollment IDI20230810000483

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 5

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 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.

185 services21 patients

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.

49 services14 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

29 services13 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.

22 services21 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

22 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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.

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.

73.56/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

75.84

Promoting Interoperability

Improvement Activities

Cost

51.43

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.

DIANE K VIVEIROS MSW (LCSW/LICSW)

Social Worker (Clinical)

184 LIBERTY ST, LV110
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 688-9926

ALEXA L CAROLAN

Nurse Practitioner (Family)