DR. TIMOTHY MARIANO M.D., PH.D.
NPI 1366737280
Psychiatry & Neurology - Psychiatry in Providence, RI

Q: What is Timothy Mariano's NPI number?

The NPI number for Timothy Mariano is 1366737280. It was assigned to this individual provider in the NPPES registry on June 20, 2011.

Q: What is Timothy Mariano'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 Timothy Mariano was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 June 20, 2011PECOS Enrolled

830 CHALKSTONE AVE, PROVIDENCE, RI 02908(401) 273-7100 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 14, 2025, Dec 4, 2015 (2 updates tracked since 2015).

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About Dr. Timothy Mariano M.d., Ph.d. NPPES

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

DR. TIMOTHY MARIANO M.D., PH.D. (NPI 1366737280) is an individual psychiatry provider in Providence, Rhode Island, licensed in Rhode Island (MD14597) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366737280

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. TIMOTHY MARIANOCredential: M.D., PH.D.

Location Address830 CHALKSTONE AVEProvidence, RI 02908-4734

Mailing Address830 Chalkstone AveProvidence, RI 02908-4734 · (401) 273-7100

Phone(401) 273-7100

Sole ProprietorNo

Enumeration DateJune 20, 2011

Last NPPES UpdateNovember 14, 20252 updates tracked since enumeration

NPPES CertifiedNovember 14, 2025

✔ NPI 1366737280 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 RI · MD14597✔ Licensed in MA · 263908

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.

830 CHALKSTONE AVE, Providence, RI 02908

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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 (PECOS)

Dr. Timothy Mariano M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02908 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

$177.03 typical visit price

range $58.57 – $177.03

Typical copayment $44.25 (range $14.64 – $44.25)

Most-billed visit code 99205

Established Patient

$72.93 typical visit price

range $18.92 – $144.38

Typical copayment $18.23 (range $4.73 – $36.09)

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. CHRISTOPHER TUDOR BAUGHMAN-OPRICA PHARM.D.

Pharmacist (Pharmacotherapy)

830 CHALKSTONE AVE, 119
PROVIDENCE, RI 02908

Providence County (401) 273-7100

ELIZABETH SEVIN

Social Worker (Clinical)