DR. JEFFREY THEWES (M.D.) – Emergency Medicine Physician, NPI 1649329418

DR. JEFFREY THEWES (M.D.) is a healthcare provider. based in Clarkston, Michigan. specializing in EMERGENCY MEDICINE. They hold the professional credentials M.D.. They hold a License No. 43801066600 (MI). The NPI Number for DR. JEFFREY THEWES (M.D.) is 1649329418

Main info

Male
Sole Proprietor
31 Years Of Experience
Accepts Medicare Assignment
Name
DR. JEFFREY THEWES (M.D.)
NPI
1649329418
Phone
(248) 620-3518
Address
7931 BRIDGE VLY
Enumeration Date
9 January 2007
Last Update Date
14 June 2010

Doctor Profile

Medical School Name
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2488508306
Graduation Year
1995 (31 years ago)
PAC ID
2466418652
Group Practice PAC ID
9032515333
Professional Enrollment ID
I20041209000193
Address ID
MI480711907MA31005RDXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

3,158 EMERGENCY MEDICINE in MI

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Provider Addresses for DR. JEFFREY THEWES (M.D.)

  • Lewis Clark Valley Chamber of Commerce, Bridge Street, Clarkston, Asotin County, Washington, 99403, United States

    CLARKSTON, MI 483484350

    Phone: (248) 620-3518

    Type: Location

  • Royal Oak, Spartanburg County, South Carolina, United States

    ROYAL OAK, MI 480680100

    Phone:

    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: 2004-12-09

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
I20041209000193IEmergency MedicineMITBD

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
99285Emergency department visit with high level of medical decision making7675$0
99284Emergency department visit with moderate level of medical decision making4745$0
99291Critical care, first 30-74 minutes1515$0
View full utilization report →

Insurance plans in this area (ZIP 48348)

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Reviews

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Frequently asked questions

What is the standard ID for DR. JEFFREY THEWES (M.D.) in the U.S.?
In the U.S., DR. JEFFREY THEWES (M.D.) is identified by NPI 1649329418.
Is DR. JEFFREY THEWES (M.D.)'s NPI status active today?
Active status means DR. JEFFREY THEWES (M.D.)'s NPI record is not deactivated in the public file.
What services align with DR. JEFFREY THEWES (M.D.)'s listing?
DR. JEFFREY THEWES (M.D.)'s public classification highlights Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. JEFFREY THEWES (M.D.)?
The directory associates DR. JEFFREY THEWES (M.D.) with Clarkston, Michigan. Check all listed addresses for suites or satellite offices.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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