DR. TOBY J KATZ (M.D.) – Gastroenterology Physician, NPI 1336159052

DR. TOBY J KATZ (M.D.) is a healthcare provider. based in Gonzales, California. specializing in GASTROENTEROLOGY. They hold the professional credentials M.D.. They hold a License No. G67354 (CA). The NPI Number for DR. TOBY J KATZ (M.D.) is 1336159052

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
DR. TOBY J KATZ (M.D.)
NPI
1336159052
Phone
(831) 657-3601
Address
850 5th St
Enumeration Date
8 August 2006
Last Update Date
18 December 2020

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Secondary Phone
8313753577
Graduation Year
1988 (38 years ago)
PAC ID
8628156429
Group Practice PAC ID
1153387386
Professional Enrollment ID
I20080418000503
Address ID
CA939407849MO23XXXDRXX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience66
Completeness75
Years active:19State licenses:2Digital endpointsOther names

1,981 GASTROENTEROLOGY in CA

Provider Addresses for DR. TOBY J KATZ (M.D.)

  • 850 5th St

    Gonzales, CA 939269491

    Phone: (831) 657-3601

    Type: Location

  • 23, Upper Ragsdale Drive, Monterey, Monterey County, California, 93940, United States

    SUITE 200

    MONTEREY, CA 939405771

    Phone: (831) 375-3577

    Fax: (831) 375-1478

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 29 Open Payments records for all available years, with a total value of $706.

Total Amount is formed as General ($706) + Research ($0) + Ownership ($0) = $706.

Last reported payment date: 2024-11-05 • Largest payer in this snapshot: Janssen Biotech, Inc. ($214).

Total Amount

$706

General + Research + Ownership

Payments

29

Total payment records

General Amount

$706

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-05

Latest reported date

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: 2008-04-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20080418000503IGastroenterologyCATBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes283220$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare240239$0
99204New patient office or other outpatient visit, 45-59 minutes186186$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope177175$0
G0500Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito9492$0
View full utilization report →

Insurance plans in this area (ZIP 93926)

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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: 1153387386View full group profile
NameSpecialtyState
Nurse PractitionerCA
Nurse PractitionerCA
P A T H O L O G YCA
G A S T R O E N T E R O L O G YNV
G A S T R O E N T E R O L O G YCA
Nurse PractitionerCA
G A S T R O E N T E R O L O G YOR
P A T H O L O G YCA
G A S T R O E N T E R O L O G YCA
Nurse PractitionerCA

Reviews

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Frequently asked questions

What is the standard ID for DR. TOBY J KATZ (M.D.) in the U.S.?
In the U.S., DR. TOBY J KATZ (M.D.) is identified by NPI 1336159052.
Is DR. TOBY J KATZ (M.D.)'s NPI status active today?
Active status means DR. TOBY J KATZ (M.D.)'s NPI record is not deactivated in the public file.
What type of care does DR. TOBY J KATZ (M.D.) provide?
DR. TOBY J KATZ (M.D.)'s profile centers on Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. TOBY J KATZ (M.D.)?
DR. TOBY J KATZ (M.D.) is associated with Gonzales, California in the same public data insurers reference.
Can I export DR. TOBY J KATZ (M.D.)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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