DR. LOUIS HOWARD COX M.D.
NPI 1164538872
Internal Medicine in Oklahoma City, OK

Q: What is Louis Cox's NPI number?

The NPI number for Louis Cox is 1164538872. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Q: What is Louis Cox's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Louis Cox was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since August 23, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 37D0700308 · Microscopy

85.74/100

CMS Quality Rating

5401 N PORTLAND AVE STE 320, OKLAHOMA CITY, OK 73112(405) 458-7188(405) 384-7128 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Louis Howard Cox M.d. NPPES

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

DR. LOUIS HOWARD COX M.D. (NPI 1164538872) is an individual internal medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (15895) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through August 31, 2026, and is affiliated with Mercy Hospital Oklahoma City, Inc.

NPPES Registry Identity

NPI1164538872

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. LOUIS HOWARD COXCredential: M.D.

Location Address5401 N PORTLAND AVE STE 320Oklahoma City, OK 73112-2091

Mailing Address5401 N Portland Ave Ste 320Oklahoma City, OK 73112-2091 · (405) 458-7188 · Fax (405) 384-7128

Phone(405) 458-7188

Fax(405) 384-7128

Sole ProprietorYes

Medical School CMSTulane University School Of MedicineGraduated 1985

Enumeration DateAugust 23, 2006

Last NPPES UpdateMarch 11, 2026

NPPES CertifiedMarch 11, 2026

✔ NPI 1164538872 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 · 15895

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.

5401 N PORTLAND AVE STE 320, Oklahoma City, OK 73112

Open in Google Maps ↗

Other Identifiers 1

Medicaid100087980AOK

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. Louis Howard Cox 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 ID7012000722

PECOS Enrollment IDI20070911000223

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 37D0700308

Louis H Cox MD · Oklahoma City, OK

Active · expires Aug 31, 2026

CLIA Number37D0700308

Laboratory TypePhysician Office

Certificate Effective DateSeptember 1, 2024

Certificate Expiration DateAugust 31, 2026

Laboratory DirectorLouis H. Cox

Laboratory Phone(405) 458-7188

Laboratory LocationLouis H Cox MD5401 N Portalnd Ave, Ste 320, Oklahoma City, OK 73112

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 23

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 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

2,171 services388 patients

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.

539 services221 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.

230 services221 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.

218 services205 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

201 services194 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.

181 services121 patients

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.

136 services89 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

81 services53 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

79 services65 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

49 services49 patients

Face-to-face behavioral counseling for obesity, 15 minutes G0447

This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.

48 services30 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

41 services36 patients

Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 99491

Chronic care management services involve a healthcare professional personally providing care for patients with two or more chronic conditions. This service, offered monthly, focuses on the first 30 minutes of care, helping manage and coordinate the patient's health needs.

27 services24 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.

26 services24 patients

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181

This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.

24 services17 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

22 services22 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

22 services15 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.

18 services17 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

17 services17 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.

17 services17 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

13 services11 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

12 services12 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Mercy Hospital Oklahoma City, Inc

Acute Care Hospitals · Oklahoma City, OK

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number370013

Location4300 West Memorial RoadOklahoma City, OK 73120 · Oklahoma 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

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370093

Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County

Emergency services Birthing friendly

Onecore Health

Acute Care Hospitals · Oklahoma City, OK

OwnershipVoluntary non-profit - Other

CMS Certification Number370220

Location100 NE 85th StreetOklahoma City, OK 73114 · Oklahoma County

Emergency services

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 73112 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.

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.

85.74/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

84.53

Promoting Interoperability

100

Improvement Activities

Cost

67.96

Referred Medical Equipment & Supplies CMS DME claims 24

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

8 suppliers16 claims37 services$6.28 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

4 suppliers31 claims31 services$34.57 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

3 suppliers15 claims15 services$70.66 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

2 suppliers14 claims41 services$25.16 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers21 claims21 services$46.78 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

6 suppliers20 claims20 services$14.94 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

6 suppliers29 claims158 services$1.79 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

5 suppliers17 claims17 services$10.01 avg. paid by Medicare

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

3 suppliers26 claims26 services$46.04 avg. paid by Medicare

Commode chair, mobile or stationary, with detachable arms E0165

DME-Other DME · category DE000N

3 suppliers44 claims44 services$8.92 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

6 suppliers45 claims45 services$46.16 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

6 suppliers69 claims70 services$16.24 avg. paid by Medicare

Respiratory suction pump, home model, portable or stationary, electric E0600

DME-Other DME · category DE000N

1 supplier12 claims12 services$31.16 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers21 claims21 services$40.52 avg. paid by Medicare

Iv pole E0776

DME-Other DME · category DE000N

1 supplier12 claims12 services$3.48 avg. paid by Medicare

Manual wheelchair accessory, anti-tipping device, each E0971

DME-Wheelchairs · category DD021N

3 suppliers12 claims24 services$27.35 avg. paid by Medicare

Wheelchair accessory, elevating leg rest, complete assembly, each E0990

DME-Wheelchairs · category DD021N

1 supplier25 claims25 services$6.21 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

6 suppliers89 claims90 services$80.02 avg. paid by Medicare

General use wheelchair seat cushion, width less than 22 inches, any depth E2601

DME-Wheelchairs · category DD021N

3 suppliers11 claims11 services$32.47 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers39 claims39 services$15.53 avg. paid by Medicare

Standard hemi (low seat) wheelchair K0002

DME-Wheelchairs · category DD000N

2 suppliers21 claims21 services$26.61 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

2 suppliers52 claims52 services$28.45 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

2 suppliers19 claims19 services$5.96 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$33.28 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

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

LOUIS H COX MD INC

Clinic/Center (Medical Specialty)

5401 N PORTLAND AVE STE 320
OKLAHOMA CITY, OK 73112

Oklahoma County (405) 458-7188

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 Louis Cox's NPI number?

The NPI number for Louis Cox is 1164538872. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Louis Cox located?

Louis Cox practices at 5401 N Portland Ave Ste 320, Oklahoma City, OK 73112. The listed phone number is (405) 458-7188.

What is Louis Cox's specialty?

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

Is Louis Cox enrolled in Medicare?

Yes. Louis Cox 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.

Does Louis Cox hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 37D0700308) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Louis Cox accept?

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

According to CMS data, Louis Cox is affiliated with Mercy Hospital Oklahoma City, Inc, Integris Baptist Medical Center, Inc, O U Medical Center, Onecore Health and Integris Health Edmond Hospital.

When was this NPI record last updated?

The NPPES record for Louis Cox was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

About Dr. Louis Howard Cox M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Other Identifiers 1

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare Enrollment Status

CLIA Laboratory Certificates CMS CLIA

Certificate for Provider-Performed Microscopy Procedures (PPMP) · 37D0700308

Areas of Expertise CMS Part B claims 23

Hospital Affiliations CMS Care Compare 5

Mercy Hospital Oklahoma City, Inc

Integris Baptist Medical Center, Inc

O U Medical Center

Onecore Health

Integris Health Edmond Hospital

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Referred Medical Equipment & Supplies CMS DME claims 24

Other Providers at the Same Location NPPES

Frequently Asked Questions NPPES & CMS

What is Louis Cox's NPI number?

Where is Louis Cox located?

What is Louis Cox's specialty?

Is Louis Cox enrolled in Medicare?

Does Louis Cox hold a CLIA laboratory certificate?

What insurance does Louis Cox accept?

Is Louis Cox affiliated with any hospitals?

When was this NPI record last updated?

Certificate for Provider-Performed Microscopy Procedures (PPMP) 37D0700308