DR. THOMAS J GRAYDEN (MD) – Psychiatry Physician, NPI 1700942117

DR. THOMAS J GRAYDEN (MD) is a healthcare provider. based in Costa mesa, California. specializing in Psychiatry Physician. They hold the professional credentials MD. They hold a License No. 67316 (AZ). The NPI Number for DR. THOMAS J GRAYDEN (MD) is 1700942117

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS J GRAYDEN (MD)
NPI
1700942117
Phone
(949) 207-3457
Address
301 AVE VICTORIA
Enumeration Date
29 December 2006
Deactivation Date
20 December 2023
Reactivation Date
24 January 2024
Last Update Date
15 August 2025

Doctor Profile

Medical School Name
UNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Secondary Phone
9494991311
Graduation Year
1982 (44 years ago)
PAC ID
2264526599
Group Practice PAC ID
4688931876
Professional Enrollment ID
I20070918000406
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness85
Years active:19State licenses:2Digital endpointsOther names

Provider Addresses for DR. THOMAS J GRAYDEN (MD)

  • 301 AVE VICTORIA

    COSTA MESA, CA 92627

    Phone: (949) 207-3457

    Fax: (949) 680-4147

    Type: Location

  • The UPS Store, 27068, La Paz Road, Aliso Viejo, Orange County, California, 92656, United States

    SUITE 731

    ALISO VIEJO, CA 92656

    Phone: (949) 207-3457

    Fax: (949) 680-4147

    Type: Mailing

  • 750 E Thunderbird Rd Ste 1-3

    Phoenix, AZ 850225306

    Phone: (602) 230-7373

    Fax: (602) 218-6383

    Type: Location

  • 9741 N 90th Pl Ste 200

    Scottsdale, AZ 852585065

    Phone: (480) 237-9776

    Type: Location

  • 19782 MACARTHUR BLVD STE 300

    IRVINE, CA 926122417

    Phone: (714) 545-5550

    Type: Mailing

  • 3151 AIRWAY AVE STE G1

    COSTA MESA, CA 926264624

    Phone: (714) 545-5550

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $153.

Total Amount is formed as General ($153) + Research ($0) + Ownership ($0) = $153.

Last reported payment date: 2024-12-18 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($138).

Total Amount

$153

General + Research + Ownership

Payments

3

Total payment records

General Amount

$153

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-18

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-02-07

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070918000406IPsychiatryCATBD
I20230207001845IPsychiatryAZTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 92627)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4688931876View full group profile
NameSpecialtyState
-CA

Reviews

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Frequently asked questions

Does DR. THOMAS J GRAYDEN (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. THOMAS J GRAYDEN (MD) uses 1700942117.
Is DR. THOMAS J GRAYDEN (MD) listed as active for patients and plans?
The listing shows DR. THOMAS J GRAYDEN (MD) as active in the NPI system.
What is DR. THOMAS J GRAYDEN (MD)'s specialty?
The listing groups DR. THOMAS J GRAYDEN (MD) with Psychiatry Physician. Clinical services aligned with this taxonomy classification.
What area does DR. THOMAS J GRAYDEN (MD) serve?
DR. THOMAS J GRAYDEN (MD)'s listing highlights Costa Mesa, California; more addresses can appear in NPPES.
Is the information about DR. THOMAS J GRAYDEN (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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