THOMAS JANUS (D.O.) – Family Medicine Physician, NPI 1881657666

THOMAS JANUS (D.O.) is a healthcare provider. based in Fredericksburg, Virginia. specializing in Family Medicine Physician. They hold the professional credentials D.O.. They hold a License No. 0102036807 (VA). The NPI Number for THOMAS JANUS (D.O.) is 1881657666

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS JANUS (D.O.)
NPI
1881657666
Phone
(540) 371-4700
Address
418 CHATHAM SQUARE OFFICE PARK
Enumeration Date
11 April 2006
Last Update Date
21 April 2016

Doctor Profile

Medical School Name
RUTGERS NEW JERSEY MEDICAL SCHOOL
Secondary Phone
5406574800
Graduation Year
1981 (45 years ago)
PAC ID
4082669304
Group Practice PAC ID
5597735175
Professional Enrollment ID
I20090209000267
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for THOMAS JANUS (D.O.)

  • 418 CHATHAM SQUARE OFFICE PARK

    FREDERICKSBURG, VA 224052561

    Phone: (540) 371-4700

    Fax: (540) 373-0942

    Type: Location

  • Mary Washington Primary Care, 120, Executive Center Parkway, Normandy Village, Canal Quarter, Fredericksburg, Virginia, 22401, United States

    SUITE 215

    FREDERICKSBURG, VA 224013100

    Phone: (540) 374-5097

    Fax: (540) 374-0378

    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: 2009-02-09

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
I20090209000267IFamily PracticeVATBD

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 22405)

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Provider's Procedures

THOMAS JANUS (D.O.) performs procedures in Family Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
FAMILY MEDICINEVA85610Blood test, clotting time10614

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: 5597735175View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for THOMAS JANUS (D.O.)?
THOMAS JANUS (D.O.) — NPI 1881657666 — is the standard way to identify this listing.
Does the file indicate THOMAS JANUS (D.O.) is practicing under active NPI?
Directory data currently reports THOMAS JANUS (D.O.) as active.
What is THOMAS JANUS (D.O.)'s primary classification?
Family Medicine Physician is the headline specialty for THOMAS JANUS (D.O.) here. Clinical services aligned with this taxonomy classification.
Where should I expect THOMAS JANUS (D.O.) on a map?
Expect Fredericksburg, Virginia as a primary anchor for THOMAS JANUS (D.O.) unless the record lists multiple sites.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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