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

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: August 16, 2026.

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
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

Other Identifiers 5

Other110104903OK · Medicare Railroad
Medicaid100254430AOK
Medicare UPINE86866OK
OtherOK400770OK · Medicare Ptan
OtherP00611405OK · Medicare Railroad

Accepted 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

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.

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

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
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Critical Care Medicine)
1265 S UTICA AVE
TULSA, OK 74104
Registered Nurse (Diabetes Educator)
1265 S UTICA AVE, SUITE 100
TULSA, OK 74104
Internal Medicine (Sleep Medicine)
1265 S UTICA AVE, THIRD FLOOR
TULSA, OK 74104
Clinical Nurse Specialist
1265 S UTICA AVE, SUITE 300
TULSA, OK 74104
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1265 S UTICA AVE, SUITE 300
TULSA, OK 74104
Physician Assistant
1265 S UTICA AVE, SUITE 300
TULSA, OK 74104
Clinical Nurse Specialist
1265 S UTICA AVE, SUITE 300
TULSA, OK 74104
Clinical Nurse Specialist
1265 S UTICA AVE, SUITE 300
TULSA, OK 74104

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 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.

Where is Gregory Johnsen located?

Gregory Johnsen practices at 1265 S Utica Ave Suite 300, Tulsa, OK 74104. The listed phone number is (918) 592-0999.

What is Gregory Johnsen's specialty?

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

Is Gregory Johnsen enrolled in Medicare?

Yes. Gregory Johnsen 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 Gregory Johnsen 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 4 other insurers list Gregory Johnsen 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 Gregory Johnsen affiliated with any hospitals?

According to CMS data, Gregory Johnsen is affiliated with Hillcrest Medical Center, Hillcrest Hospital Pryor, Hillcrest Hospital Claremore, Cherokee Nation W W Hastings Indian Hospital and Hillcrest Hospital South.

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.