DR. NEWTON SEIDEN (M.D.) – Pediatric Critical Care Medicine Physician, NPI 1164519674

DR. NEWTON SEIDEN (M.D.) is a healthcare provider. based in Fresno, California. specializing in Pediatric Critical Care Medicine Physician. They hold the professional credentials M.D.. They hold a License No. G68506 (CA). The NPI Number for DR. NEWTON SEIDEN (M.D.) is 1164519674

Main info

Male
Sole Proprietor
43 Years Of Experience
Accepts Medicare Assignment
Name
DR. NEWTON SEIDEN (M.D.)
NPI
1164519674
Phone
(559) 449-4350
Address
6235 N FRESNO ST
Enumeration Date
6 October 2006
Last Update Date
11 September 2025

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Secondary Phone
6613274647
Graduation Year
1983 (43 years ago)
PAC ID
2668551870
Group Practice PAC ID
5193963718
Professional Enrollment ID
I20140715000263
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness85
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. NEWTON SEIDEN (M.D.)

  • 6235, North Fresno Street, Fresno, Fresno County, California, 93710, United States

    SUITE # 103

    FRESNO, CA 937105269

    Phone: (559) 449-4350

    Fax: (559) 449-4358

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2014-07-15

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
I20140715000263IAnesthesiologyCATBD

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 93710)

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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: 5193963718View full group profile
NameSpecialtyState
A N E S T H E S I O L O G YCT
-MO

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Frequently asked questions

Is there an official ID for DR. NEWTON SEIDEN (M.D.) in U.S. healthcare records?
The official identifier for DR. NEWTON SEIDEN (M.D.) is NPI 1164519674.
Active or inactive — what applies to DR. NEWTON SEIDEN (M.D.)?
You should see DR. NEWTON SEIDEN (M.D.) as active in CMS-hosted NPPES data.
What expertise is attributed to DR. NEWTON SEIDEN (M.D.)?
DR. NEWTON SEIDEN (M.D.)'s specialty line reads Pediatric Critical Care Medicine Physician. Clinical services aligned with this taxonomy classification.
Is DR. NEWTON SEIDEN (M.D.) associated with Fresno?
Public fields place DR. NEWTON SEIDEN (M.D.) around Fresno, California. Always confirm the exact site before visiting.
Does DR. NEWTON SEIDEN (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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