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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BRIAN D. TITESWORTH M.D.
NPI 1164590600
Internal Medicine in Oxford, MI

Active since December 01, 2006PECOS EnrolledAccepts Medicare Assignment
834 S LAPEER RD STE 100, OXFORD, MI 48371(248) 384-8320(248) 384-8321 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 2, 2026, Jun 2, 2026, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

About Brian D. Titesworth M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN D. TITESWORTH M.D. (NPI 1164590600) is an individual internal medicine provider in Oxford, Michigan, licensed in Michigan (4301076070) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Oakland Hospital, and maintains a secondary practice location in Clarkston.

NPPES Registry Identity

NPI1164590600
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBRIAN D. TITESWORTHCredential: M.D.
Location Address834 S LAPEER RD STE 100Oxford, MI 48371-5039
Mailing Address5701 Bow Pointe Dr Ste 100Clarkston, MI 48346-3199 · (248) 625-2621 · Fax (248) 625-2622
Phone(248) 384-8320
Fax(248) 384-8321
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2000
Enumeration DateDecember 1, 2006
Last NPPES UpdateSeptember 2, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2026
✔ NPI 1164590600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301076070
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 4301076070 (MI)
834 S LAPEER RD STE 100, Oxford, MI 48371
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Secondary Practice Location 1

Location 15701 Bow Pointe Dr Ste 100Clarkston, MI 48346-3199 · Phone (248) 625-2621 · Fax (248) 625-2622

Other Identifiers 3

OtherBT076070Commercial-commercial Number
Other700H262220Blue Cross-blue Cross
OtherBT076070Champus-champus

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian D. Titesworth M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183686157
PECOS Enrollment IDI20041102000138
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Brian Titesworth reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mclaren Community Based Primary Care Group
11 mi
Physical Therapist
6815 DIXIE HWY STE 3
Clarkston, MI 48346
  • Reassigned Medicare billing, Michigan enrollment
  • 61 clinicians in this Medicare group
NPI 1770448920 (248) 384-8300
Michigan Healthcare Professionals, P.C.
11 mi
Mental Health (Including Community Mental Health Center)
5625 WATER TOWER PL STE 340
Clarkston, MI 48346
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Michigan Healthcare Professionals PC
  • 741 clinicians in this Medicare group
NPI 1154150506 (248) 384-8130
Mclaren Oakland
12 mi
Family Medicine
50 N PERRY ST
Pontiac, MI 48342
  • Reassigned Medicare billing, Michigan enrollment
  • 76 clinicians in this Medicare group
NPI 1053463778 (248) 338-5000
Henry Ford Heath System
32 mi
Vascular & Interventional Radiology
2799 W GRAND BLVD
Detroit, MI 48202
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Henry Ford Health System
  • 1,886 clinicians in this Medicare group
NPI 1013119817 (313) 916-2600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
212 services84 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
146 services69 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
78 services78 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
75 services46 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
74 services74 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
67 services67 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Trinity Health Oakland Hospital

Acute Care Hospitals · Pontiac, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230029
Location44405 Woodward AvePontiac, MI 48341 · Oakland County
Emergency services Birthing friendly

Mclaren Lapeer Region

Acute Care Hospitals · Lapeer, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230193
Location1375 N Main StLapeer, MI 48446 · Lapeer County
Emergency services Birthing friendly

Mclaren Oakland

Acute Care Hospitals · Pontiac, MI
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230207
Location50 N Perry StPontiac, MI 48342 · Oakland County
Emergency services

Ascension Providence Rochester Hospital

Acute Care Hospitals · Rochester, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230254
Location1101 W University DriveRochester, MI 48307 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230269
Location44201 Dequindre RoadTroy, MI 48085 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48371 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers19 claims49 services$5.52 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers12 claims15 services$1.14 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$15.10 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$69.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS RADHIKA MEHTA DO
Internal Medicine
834 S LAPEER RD STE 100
OXFORD, MI 48371
Oakland County (248) 384-8320
CHRISTINA ANNE JOSLIN D.O.
Family Medicine
834 S LAPEER RD STE 100
OXFORD, MI 48371
Oakland County (248) 384-8320

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Titesworth's NPI number?

The NPI number for Brian Titesworth is 1164590600. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Brian Titesworth located?

Brian Titesworth practices at 834 S Lapeer Rd Ste 100, Oxford, MI 48371. The listed phone number is (248) 384-8320.

What is Brian Titesworth's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Brian Titesworth enrolled in Medicare?

Yes. Brian Titesworth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Brian Titesworth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Titesworth reassigns Medicare benefits to 4 organizations: Mclaren Community Based Primary Care Group (Clarkston, MI), Michigan Healthcare Professionals, P.C. (Clarkston, MI), Mclaren Oakland (Pontiac, MI) and Henry Ford Heath System (Detroit, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian Titesworth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Titesworth accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Brian Titesworth as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brian Titesworth affiliated with any hospitals?

According to CMS data, Brian Titesworth is affiliated with Trinity Health Oakland Hospital, Mclaren Lapeer Region, Mclaren Oakland, Ascension Providence Rochester Hospital and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Brian Titesworth was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.