GREGORY D JOHNSEN MD
NPI 1710957105
Internal Medicine - Interventional Cardiology in Tulsa, OK

Q: What is Gregory Johnsen's NPI number?

The NPI number for Gregory Johnsen is 1710957105. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Q: What is Gregory Johnsen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Johnsen was last updated on March 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since January 26, 2006PECOS EnrolledAccepts Medicare Assignment

97.58/100

CMS Quality Rating

1265 S UTICA AVE, SUITE 300, TULSA, OK 74104(918) 592-0999(918) 592-1021 Get Directions Write a Review

NPPES record last updated: March 4, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Gregory D Johnsen Md NPPES

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

GREGORY D JOHNSEN MD (NPI 1710957105) is an individual interventional cardiology provider in Tulsa, Oklahoma, licensed in Oklahoma (16972) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (1988).

NPPES Registry Identity

NPI1710957105

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameGREGORY D JOHNSENCredential: MD

Location Address1265 S UTICA AVE, SUITE 300Tulsa, OK 74104-4243

Mailing Address9228 S Mingo Rd, Suite 200Tulsa, OK 74133-5718 · (918) 592-0999 · Fax (918) 878-2499

Phone(918) 592-0999

Fax(918) 592-1021

Sole ProprietorNo

Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1988

Enumeration DateJanuary 26, 2006

Last NPPES UpdateMarch 4, 2014

✔ NPI 1710957105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in OK · 16972

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedSpecialistTaxonomy 174400000X · License 16972 (OK)

1265 S UTICA AVE, Tulsa, OK 74104

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Other Identifiers 5

Other110104903OK · Medicare Railroad

Medicaid100254430AOK

Medicare UPINE86866OK

OtherOK400770OK · Medicare Ptan

OtherP00611405OK · Medicare Railroad

Accepted Insurance

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

Gregory D Johnsen 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 ID8325941347

PECOS Enrollment IDI20080716000389

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 Reassignment

Medicare enrollment records show Gregory Johnsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ahs Oklahoma Heart LLC

9.7 mi

Specialist

9228 S MINGO RD, SUITE 200
Tulsa, OK 74133

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

NPI 1780857540 (918) 592-0999

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 15

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.

438 services400 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

358 services355 patients

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.

82 services81 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.

72 services72 patients

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.

70 services50 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

51 services51 patients

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.

26 services26 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.

25 services25 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.

22 services22 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.

22 services22 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

21 services20 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

13 services13 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

13 services13 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 92978

This procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.

11 services11 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

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.

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

Hillcrest Hospital Pryor

Acute Care Hospitals · Pryor, OK

OwnershipGovernment - Hospital District or Authority

CMS Certification Number370015

Location111 North Bailey StreetPryor, OK 74361 · Mayes County

Emergency services

Hillcrest Hospital Claremore

Acute Care Hospitals · Claremore, OK

2/5 CMS rating

OwnershipProprietary

CMS Certification Number370039

Location1202 N Muskogee PlaceClaremore, OK 74017 · Rogers County

Emergency services Birthing friendly

Cherokee Nation W W Hastings Indian Hospital

Acute Care Hospitals · Tahlequah, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number370171

Location100 S Bliss AvenueTahlequah, OK 74464 · Cherokee County

Emergency services Birthing friendly

Hillcrest Hospital South

Acute Care Hospitals · Tulsa, OK

4/5 CMS rating

OwnershipProprietary

CMS Certification Number370202

Location8801 South 101st East AvenueTulsa, OK 74133 · Tulsa County

Emergency services Birthing friendly

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.

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.

97.58/100

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

Scored through an Alternative Payment Model

Quality

86.53

Promoting Interoperability

100

Improvement Activities

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.

MR. KRISTOPHER WAYNE MCDONALD APRN-CNP

Nurse Practitioner (Critical Care Medicine)

1265 S UTICA AVE
TULSA, OK 74104

Tulsa County (918) 592-0999

MRS. CHERYL COLEMAN RN,MSN,CDE

Registered Nurse (Diabetes Educator)

1265 S UTICA AVE, SUITE 100
TULSA, OK 74104

Tulsa County (918) 579-3381

DR. KEVIN LANE LEWIS MD

Internal Medicine (Sleep Medicine)

1265 S UTICA AVE, THIRD FLOOR
TULSA, OK 74104

Tulsa County (918) 592-0999

KRISTIN MARIAH PRUITT APRN-CNS

Clinical Nurse Specialist