DR. CASSIDY JOHN GRAHAM (D.O.) – Family Medicine Physician, NPI 1609139708

DR. CASSIDY JOHN GRAHAM (D.O.) is a healthcare provider. based in Gillette, Wyoming. specializing in FAMILY PRACTICE. They hold the professional credentials D.O.. They hold a License No. 9700A (WY). The NPI Number for DR. CASSIDY JOHN GRAHAM (D.O.) is 1609139708

Main info

Male
14 Years Of Experience
Accepts Medicare Assignment
Name
DR. CASSIDY JOHN GRAHAM (D.O.)
NPI
1609139708
Phone
(307) 688-9255
Address
PO BOX 3011
Enumeration Date
22 June 2012
Last Update Date
27 November 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3076881000
Graduation Year
2012 (14 years ago)
PAC ID
3577787860
Group Practice PAC ID
2860392529
Professional Enrollment ID
I20190910000357
Address ID
WY827163426GI501XXAVEX400

Contacts

Secure Messaging
cchwyo@cchwyo.sdhealthlink.net
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience55
Completeness85
Years active:13State licenses:1Other namesUpdated within 12 months

328 FAMILY PRACTICE in WY

Provider Addresses for DR. CASSIDY JOHN GRAHAM (D.O.)

  • PO BOX 3011

    GILLETTE, WY 827173011

    Phone: (307) 688-9255

    Type: Mailing

  • 501 S BURMA AVE

    GILLETTE, WY 827163426

    Phone: (307) 688-9255

    Type: Location

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: 2019-09-10

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
I20190910000357IFamily PracticeWYTBD

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
99213Established patient office or other outpatient visit, 20-29 minutes160155$0
99214Established patient office or other outpatient visit, 30-39 minutes136127$0
99212Established patient office or other outpatient visit, 10-19 minutes1818$0
99203New patient office or other outpatient visit, 30-44 minutes1313$0
36415Insertion of needle into vein for collection of blood sample1111$0
View full utilization report →

Insurance plans in this area (ZIP 82717)

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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: 2860392529View full group profile
NameSpecialtyState
Radiation OncologyIL
-WY
Internal MedicineIL
Emergency MedicineND
-WY
-WY
Clinical Social WorkerWY
Orthopedic SurgeryWY
Nurse PractitionerWY
Certified Registered Nurse Anesthetist (Crna)WY

Reviews

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Frequently asked questions

What unique ID ties claims to DR. CASSIDY JOHN GRAHAM (D.O.)?
NPI 1609139708 is assigned to DR. CASSIDY JOHN GRAHAM (D.O.) under the national enumeration system.
Does this profile mean DR. CASSIDY JOHN GRAHAM (D.O.) is currently active?
Yes — DR. CASSIDY JOHN GRAHAM (D.O.) appears active in the national provider directory.
Can you summarize DR. CASSIDY JOHN GRAHAM (D.O.)'s specialty in plain language?
Clinically, the directory lists DR. CASSIDY JOHN GRAHAM (D.O.) with Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is DR. CASSIDY JOHN GRAHAM (D.O.)'s primary listing?
We display Gillette, Wyoming because that is what the record indicates for DR. CASSIDY JOHN GRAHAM (D.O.).
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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