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

RYAN TROJAN MD
NPI 1740574961
Internal Medicine in Oklahoma City, OK

Q: What is Ryan Trojan's NPI number?

The NPI number for Ryan Trojan is 1740574961. It was assigned to this individual provider in the NPPES registry on June 6, 2011.

Q: What is Ryan Trojan'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 Ryan Trojan was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.

Active since June 06, 2011PECOS Enrolled

23.74/100

CMS Quality Rating

4300 W MEMORIAL RD, OKLAHOMA CITY, OK 73120(405) 752-3636 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Ryan Trojan Md NPPES

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

RYAN TROJAN MD (NPI 1740574961) is an individual internal medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (28448) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1740574961

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameRYAN TROJANCredential: MD

Location Address4300 W MEMORIAL RDOklahoma City, OK 73120-8304

Mailing AddressPo Box 776084Chicago, IL 60677-6084

Phone(405) 752-3636

Sole ProprietorNo

Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2011

Enumeration DateJune 6, 2011

Last NPPES UpdateOctober 20, 2026

NPPES CertifiedOctober 20, 2026

✔ NPI 1740574961 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 · 28448

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.

4300 W MEMORIAL RD, Oklahoma City, OK 73120

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Secondary Practice Location 1

Location 1250 President StBaltimore, MD 21202-4436 · Phone (405) 615-9736

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Oscar Insurance Company.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

Ryan Trojan 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 ID5799097838

PECOS Enrollment IDI20150702001368

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

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

Mercy Hospital Oklahoma City, Inc

0.1 mi

Physical Therapist

4300 W MEMORIAL RD
Oklahoma City, OK 73120

Reassigned Medicare billing, Oklahoma enrollment
110 clinicians in this Medicare group

NPI 1922192186 (405) 936-5041

Integris Ambulatory Care Corporation

1.9 mi

Family Medicine

3001 QUAIL SPRINGS PKWY
Oklahoma City, OK 73134

Reassigned Medicare billing, Oklahoma enrollment
1,058 clinicians in this Medicare group

NPI 1750333936 (405) 951-2298

Ibmc ER Physicians

5.5 mi

Emergency Medical Services

3300 NW EXPRESSWAY ST
Oklahoma City, OK 73112

Reassigned Medicare billing, Oklahoma enrollment
12 clinicians in this Medicare group

NPI 1295839280 (405) 949-3177

Saints Medical Group, LLC

6.5 mi

Family Medicine

777 NW 63RD ST STE 452
Oklahoma City, OK 73116

Reassigned Medicare billing, Oklahoma enrollment
507 clinicians in this Medicare group

NPI 1437195922 (405) 231-3857

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 22

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.

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

225 services186 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

106 services96 patients

Review by radiologist of additional artery image 75774

This procedure involves a radiologist examining an extra image of your artery. It's done to gain more insight into your vascular health. The radiologist will study the image to identify any abnormalities or issues that may need further medical attention.

49 services14 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.

36 services34 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

26 services25 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

26 services26 patients

Replacement of kidney drainage tube using imaging guidance with review by radiologist 50435

This procedure involves replacing an existing kidney drainage tube. Using imaging technology, a radiologist precisely guides the process to ensure accuracy. This helps drain excess fluid from kidneys, improving their function and your comfort.

25 services12 patients

Destruction of growth of kidney by freezing 50593

This procedure, known as cryoabnormality, involves the use of extreme cold to destroy abnormal kidney growths. A thin, needle-like probe is inserted through the skin and guided to the growth. Cold gases are then passed through the probe to freeze and destroy it.

23 services23 patients

Ct guidance for tissue removal 77013

CT guidance for tissue removal is a procedure where a CT scan, a type of X-ray, is used to create detailed images of the body. This helps the doctors to accurately locate and safely remove abnormal tissue. The process is non-invasive, precise and aims to reduce recovery time.

23 services23 patients

Insertion of central venous tube with port (5 years or older) 36561

A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.

20 services20 patients

Needle biopsy of kidney 50200

A needle biopsy of the kidney is a medical procedure where a small sample of kidney tissue is removed using a special needle. This is done to examine the tissue under a microscope for any abnormalities. It helps in diagnosing potential kidney conditions.

18 services18 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

17 services16 patients

Insertion of tube into second or third order branches of arteries of kidney for imaging with review by radiologist 36253

This procedure involves placing a thin tube into specific branches of the arteries that supply your kidneys. This allows for detailed imaging, aiding in the evaluation of your kidney health. A radiologist, a doctor specialized in medical imaging, will review the results.

14 services14 patients

Occlusion of growths or obstructed vessels with review by radiologist 37243

This procedure involves blocking abnormal growths or blocked vessels in your body. A radiologist, a doctor specialized in imaging techniques, will review the process. The aim is to improve your health by preventing these issues from causing further complications.

14 services14 patients

Review by radiologist of abscess or sinus cavity study 76080

This procedure involves a specialist, known as a radiologist, examining images of your abscess or sinus cavity. These images help identify any problems or changes in your condition. The radiologist's review is crucial in determining the best course of treatment.

14 services11 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

14 services14 patients

Injection of contrast through abdominal cavity tube for x-ray study 49424

This procedure involves injecting a contrast substance through a tube in your abdominal cavity. This helps to highlight certain areas in your body for an X-ray study. It's a crucial step for accurate diagnosis and treatment planning.

13 services11 patients

Placement of tube of kidney using imaging guidance with review by radiologist 50432

This procedure involves the insertion of a tube into your kidney using imaging technology for precision. A radiologist, a doctor specializing in medical imaging, will review the process. This can help with kidney function and drainage.

13 services12 patients

Occlusion of artery or vein bleeding with review by radiologist 37244

This is a procedure where a radiologist identifies and stops bleeding from an artery or vein using imaging techniques. It's a non-surgical method that helps control blood loss, promoting quicker recovery and less discomfort.

12 services12 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.

12 services12 patients

Balloon dilation of dialysis segment with review by radiologist 36907

Balloon dilation of a dialysis segment is a procedure where a tiny balloon is inserted and inflated in a narrowed area of your dialysis access site, improving blood flow. A radiologist reviews images to ensure success.

11 services11 patients

Ct scan of abdomen before and after contrast 74170

A CT scan of the abdomen before and after contrast is a diagnostic procedure. It involves taking detailed images of your abdomen area. Initially, images are taken without a contrast agent. Then, a contrast dye is given to highlight specific areas inside your body, helping to provide clearer images for better diagnosis.

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

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 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

Weatherford Regional Hospital, Inc Of Weatherford

Critical Access Hospitals · Weatherford, OK

OwnershipGovernment - Hospital District or Authority

CMS Certification Number371323

Location3701 E MainWeatherford, OK 73096 · Custer County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73120 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.

23.74/100

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

Individually scored

Quality

Improvement Activities

Cost

18.7

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.

IMARI ELENA MOORE M.D.

Obstetrics & Gynecology