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DR. LOYAL RICHARD STIERLEN DO
NPI 1447275052
Surgery in Oklahoma City, OK

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment
77.69/100
CMS Quality Rating
4221 S WESTERN AVE STE 5050, OKLAHOMA CITY, OK 73109(405) 636-7900(405) 644-5168 Get Directions Write a Review

NPPES record last updated: July 3, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 3, 2018, Mar 21, 2018, Jul 20, 2017 and 2 more (5 updates tracked since 2016).

About Dr. Loyal Richard Stierlen Do NPPES

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

DR. LOYAL RICHARD STIERLEN DO (NPI 1447275052) is an individual surgery provider in Oklahoma City, Oklahoma, licensed in Oklahoma (4438) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Integris Bass Baptist Health Center, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1447275052
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. LOYAL RICHARD STIERLENCredential: DO
Location Address4221 S WESTERN AVE STE 5050Oklahoma City, OK 73109
Mailing Address5300 N Independence Ave, Suite 280Oklahoma City, OK 73112-5556 · (405) 636-7900 · Fax (405) 644-5168
Phone(405) 636-7900
Fax(405) 644-5168
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateJuly 13, 2006
Last NPPES UpdateJuly 3, 20185 updates tracked since enumeration
✔ NPI 1447275052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in OK · 4438
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
4221 S WESTERN AVE STE 5050, Oklahoma City, OK 73109
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica 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. Loyal Richard Stierlen Do 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 ID3476550443
PECOS Enrollment IDI20061104000062
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 9

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
65 services63 patients
Removal of skin and tissue, 20.0 sq cm or less 11042
This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.
43 services15 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
30 services30 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
19 services16 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 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.
15 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Integris Bass Baptist Health Center

Acute Care Hospitals · Enid, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370016
Location600 South MonroeEnid, OK 73701 · Garfield County
Emergency services Birthing friendly

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370028
Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County
Emergency services Birthing friendly

Integris Southwest Medical Center

Acute Care Hospitals · Oklahoma City, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370106
Location4401 South Western AvenueOklahoma City, OK 73109 · Oklahoma County
Emergency services Birthing friendly

Integris Canadian Valley Hospital

Acute Care Hospitals · Yukon, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370211
Location1201 Health Center ParkwayYukon, OK 73099 · Canadian County
Emergency services Birthing friendly

Integris Health Edmond Hospital

Acute Care Hospitals · Edmond, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370236
Location4801 Integris ParkwayEdmond, OK 73034 · Oklahoma County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73109 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.52
Promoting Interoperability100
Improvement Activities40
Cost43.13

Referred Medical Equipment & Supplies CMS DME claims

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

Tape, waterproof, per 18 square inches A4452
DME-Medical/Surgical Supplies · category DA000N
1 supplier12 claims1,000 services$0.34 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.

JESSICA RENEE DAVIS PA-C
Physician Assistant
4221 S WESTERN AVE STE 5050
OKLAHOMA CITY, OK 73109
Oklahoma County (405) 636-7900
SHANI ORTIZ HARVEY MD
Surgery
4221 S WESTERN AVE STE 5050
OKLAHOMA CITY, OK 73109
Oklahoma County (405) 636-7900

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 Loyal Stierlen's NPI number?

The NPI number for Loyal Stierlen is 1447275052. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Loyal Stierlen located?

Loyal Stierlen practices at 4221 S Western Ave Ste 5050, Oklahoma City, OK 73109. The listed phone number is (405) 636-7900.

What is Loyal Stierlen's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Loyal Stierlen enrolled in Medicare?

Yes. Loyal Stierlen 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 Loyal Stierlen accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica, Mending Health and UnitedHealthcare list Loyal Stierlen 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 Loyal Stierlen affiliated with any hospitals?

According to CMS data, Loyal Stierlen is affiliated with Integris Bass Baptist Health Center, Integris Baptist Medical Center, Inc, Integris Southwest Medical Center, Integris Canadian Valley Hospital and Integris Health Edmond Hospital.

When was this NPI record last updated?

The NPPES record for Loyal Stierlen was last updated on July 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.