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DR. WILLIAM R GRUBB MD
NPI 1164582375
Internal Medicine in Tulsa, OK

Active since December 11, 2006PECOS EnrolledAccepts Medicare Assignment
1919 S WHEELING AVE STE 710, TULSA, OK 74104(918) 756-7110(918) 742-7332 Get Directions Write a Review

NPPES record last updated: March 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William R Grubb Md NPPES

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

DR. WILLIAM R GRUBB MD (NPI 1164582375) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (10720) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (1974).

NPPES Registry Identity

NPI1164582375
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM R GRUBBCredential: MD
Location Address1919 S WHEELING AVE STE 710Tulsa, OK 74104-5636
Mailing Address1919 S Wheeling Ave Ste 710Tulsa, OK 74104-5636 · (918) 756-7110 · Fax (918) 742-7332
Phone(918) 756-7110
Fax(918) 742-7332
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1974
Enumeration DateDecember 11, 2006
Last NPPES UpdateMarch 6, 2025
NPPES CertifiedMarch 6, 2025
✔ NPI 1164582375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OK · 10720
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.
1919 S WHEELING AVE STE 710, Tulsa, OK 74104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William R Grubb Md 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 ID1658566518
PECOS Enrollment IDI20101117000824
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.

Areas of Expertise CMS Part B claims 5

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.
299 services145 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.
70 services70 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.
55 services55 patients
Transitional care management services for problem of at least moderate complexity 99495
Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.
19 services18 patients
Transitional care management services for problem of high complexity 99496
Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.
13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

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

Muscogee (creek) Nation Medical Center

Acute Care Hospitals · Okmulgee, OK
OwnershipTribal
CMS Certification Number370057
Location1401 Morris DriveOkmulgee, OK 74447 · Okmulgee County
Emergency services

Saint Francis Hospital, Inc

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370091
Location6161 South YaleTulsa, OK 74136 · Tulsa County
Emergency services Birthing friendly

Ascension St John Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370114
Location1923 South Utica AvenueTulsa, OK 74104 · Tulsa County
Emergency services Birthing friendly

Hillcrest Hospital Henryetta

Acute Care Hospitals · Henryetta, OK
OwnershipProprietary
CMS Certification Number370183
Location2401 W MainHenryetta, OK 74437 · Okmulgee County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74104 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.

Referred Medical Equipment & Supplies CMS DME claims 3

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
9 suppliers27 claims64 services$5.46 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers16 claims21 services$0.86 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers20 claims20 services$184.59 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 William Grubb's NPI number?

The NPI number for William Grubb is 1164582375. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is William Grubb located?

William Grubb practices at 1919 S Wheeling Ave Ste 710, Tulsa, OK 74104. The listed phone number is (918) 756-7110.

What is William Grubb's specialty?

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

Is William Grubb enrolled in Medicare?

Yes. William Grubb 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.

What insurance does William Grubb accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list William Grubb 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 William Grubb affiliated with any hospitals?

According to CMS data, William Grubb is affiliated with Hillcrest Medical Center, Muscogee (creek) Nation Medical Center, Saint Francis Hospital, Inc, Ascension St John Medical Center and Hillcrest Hospital Henryetta.

When was this NPI record last updated?

The NPPES record for William Grubb was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.