MRS. THERESA LARSEN (M.D.) – Internal Medicine Physician, NPI 1477551166

MRS. THERESA LARSEN (M.D.) is a healthcare provider. based in Lake orion, Michigan. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 4301407146 (MI). The NPI Number for MRS. THERESA LARSEN (M.D.) is 1477551166

Main info

Female
40 Years Of Experience
Accepts Medicare Assignment
Name
MRS. THERESA LARSEN (M.D.)
NPI
1477551166
Phone
(248) 693-5700
Address
1375 S LAPEER RD
Enumeration Date
7 July 2005
Last Update Date
3 October 2013

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2488140500
Graduation Year
1986 (40 years ago)
PAC ID
4284704446
Group Practice PAC ID
3577470442
Professional Enrollment ID
I20080530000779
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for MRS. THERESA LARSEN (M.D.)

  • 1375 S LAPEER RD

    STE 210

    LAKE ORION, MI 483601421

    Phone: (248) 693-5700

    Fax: (248) 693-5715

    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.

No Medicare enrollment or revalidation data available for this provider in our database.

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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 48360)

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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: 3577470442View full group profile

Reviews

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Frequently asked questions

How do payers reference MRS. THERESA LARSEN (M.D.)?
For MRS. THERESA LARSEN (M.D.), use NPI 1477551166 as the unique 10-digit identifier.
Would MRS. THERESA LARSEN (M.D.) appear as active to a payer?
You can treat MRS. THERESA LARSEN (M.D.) as active for directory purposes; confirm clinical privileges separately.
What area of care is associated with MRS. THERESA LARSEN (M.D.)?
MRS. THERESA LARSEN (M.D.)'s record emphasizes Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for MRS. THERESA LARSEN (M.D.)?
Travel planning: use Lake Orion, Michigan as the reference point for MRS. THERESA LARSEN (M.D.), then confirm.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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