DR. GREGORY HOWARD CAIN (MD) – Pediatrics Physician, NPI 1154395085

DR. GREGORY HOWARD CAIN (MD) is a healthcare provider. based in Port orchard, Washington. specializing in Pediatrics Physician. They hold the professional credentials MD. They hold a License No. MD00020681 (WA). The NPI Number for DR. GREGORY HOWARD CAIN (MD) is 1154395085

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
DR. GREGORY HOWARD CAIN (MD)
NPI
1154395085
Phone
(360) 895-5000
Address
1400 POTTERY AVE STE 1
Enumeration Date
15 February 2006
Last Update Date
20 May 2021

Doctor Profile

Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Secondary Phone
3603941000
Graduation Year
1980 (46 years ago)
PAC ID
3072826536
Group Practice PAC ID
9032022579
Professional Enrollment ID
I20150714000297

Contacts

SOAP Endpoint
https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

Provider Addresses for DR. GREGORY HOWARD CAIN (MD)

  • 1400 POTTERY AVE STE 1

    PORT ORCHARD, WA 983663711

    Phone: (360) 895-5000

    Fax: (360) 895-5057

    Type: Location

  • 1400 POTTERY AVE

    PORT ORCHARD, WA 983663711

    Phone: (360) 895-5000

    Type: Mailing

  • 1530, South Union Avenue, Tacoma, Pierce County, Washington, 98405, United States

    SUITE 1

    TACOMA, WA 984051954

    Phone: (253) 759-3333

    Fax: (253) 759-1415

    Type: Mailing

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: 2015-07-14

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
I20150714000297IPediatric MedicineWATBD

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 98366)

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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: 9032022579View full group profile

Reviews

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Frequently asked questions

What federal number belongs to DR. GREGORY HOWARD CAIN (MD)?
The federal identifier for DR. GREGORY HOWARD CAIN (MD) is NPI 1154395085.
Is DR. GREGORY HOWARD CAIN (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does DR. GREGORY HOWARD CAIN (MD) treat or focus on?
Patients typically see DR. GREGORY HOWARD CAIN (MD) under the specialty Pediatrics Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. GREGORY HOWARD CAIN (MD)?
The snapshot lists Port Orchard, Washington for DR. GREGORY HOWARD CAIN (MD); download NPPES for the complete set.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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