TYLER MCMILLAN M.D.
NPI 1801148598
Internal Medicine in Tulsa, OK

Active since October 05, 2012PECOS EnrolledAccepts Medicare Assignment
4444 E 41ST ST, TULSA, OK 74135(785) 760-4130 Get Directions Write a Review

NPPES record last updated: September 18, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 18, 2024, Aug 10, 2021 (2 updates tracked since 2021).

About Tyler Mcmillan M.d. NPPES

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

TYLER MCMILLAN M.D. (NPI 1801148598) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (38378) and active in the NPI registry since October 2012. He is enrolled in Medicare PECOS, is affiliated with Southwest Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1801148598
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTYLER MCMILLANCredential: M.D.
Location Address4444 E 41ST STTulsa, OK 74135-2527
Mailing Address1414 E 39th St Apt 231Tulsa, OK 74105-3415 · (785) 760-4130
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateOctober 5, 2012
Last NPPES UpdateSeptember 18, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2024
✔ NPI 1801148598 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 OK · 38378
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 38378 (OK)
4444 E 41ST ST, Tulsa, OK 74135

Accepted 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

Tyler Mcmillan 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 ID8325579113
PECOS Enrollment IDI20241003003167, I20260613000349
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 Tyler Mcmillan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1120 S UTICA AVE
Tulsa, OK 74104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 210 clinicians in this Medicare group
Surgery
305 W 15TH ST
Liberal, KS 67901
  • Reassigned Medicare billing, Kansas enrollment
  • 76 clinicians in this Medicare group
Family Medicine
501 MAIN AVE S
Hankinson, ND 58041
  • Reassigned Medicare billing, North Dakota enrollment
  • 617 clinicians in this Medicare group
Rural Health
301 N BROADWAY
Pelican Rapids, MN 56572
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: St Marys Regional Health Center
  • 254 clinicians in this Medicare group

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
120 services42 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
29 services27 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Southwest Medical Center

Acute Care Hospitals · Liberal, KS
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number170068
Location315 West 15th StreetLiberal, KS 67901 · Seward County
Emergency services Birthing friendly

Essentia Health St Marys - Detroit Lakes

Acute Care Hospitals · Detroit Lakes, MN
OwnershipVoluntary non-profit - Church
CMS Certification Number240101
Location1027 Washington AveDetroit Lakes, MN 56501 · Becker County
Birthing friendly

Essentia Health

Acute Care Hospitals · Fargo, ND
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number350070
Location3000 32nd Ave SouthFargo, ND 58104 · Cass County
Emergency services Birthing friendly

Hillcrest Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipProprietary
CMS Certification Number370001
Location1120 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74135 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
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.

Other Providers at the Same Location NPPES 20

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

Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Internal Medicine (Geriatric Medicine)
4444 E 41ST ST
TULSA, OK 74135
Social Worker (Clinical)
4444 E 41ST ST
TULSA, OK 74135
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 E 41ST ST
TULSA, OK 74135
Pediatrics
4444 E 41ST ST
TULSA, OK 74135
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135
Student in an Organized Health Care Education/Training Program
4444 E 41ST ST
TULSA, OK 74135

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 Tyler Mcmillan's NPI number?

The NPI number for Tyler Mcmillan is 1801148598. It was assigned to this individual provider in the NPPES registry on October 5, 2012.

Where is Tyler Mcmillan located?

Tyler Mcmillan practices at 4444 E 41st St, Tulsa, OK 74135. The listed phone number is (785) 760-4130.

What is Tyler Mcmillan's specialty?

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

Is Tyler Mcmillan enrolled in Medicare?

Yes. Tyler Mcmillan 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 Tyler Mcmillan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tyler Mcmillan reassigns Medicare benefits to 4 organizations: Tulsa Hospital Medicine Physicians Group, LLC (Tulsa, OK), Southwest Medical Center (Liberal, KS), Innovis Health LLC (Hankinson, ND) and St. Mary's Regional Health Center (Pelican Rapids, MN). 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 Tyler Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tyler Mcmillan accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Oklahoma and Medica list Tyler Mcmillan 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 Tyler Mcmillan affiliated with any hospitals?

According to CMS data, Tyler Mcmillan is affiliated with Southwest Medical Center, Essentia Health St Marys - Detroit Lakes, Essentia Health and Hillcrest Medical Center.

When was this NPI record last updated?

The NPPES record for Tyler Mcmillan was last updated on September 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.