DR. NICHOLAS RYAN PELUSO D.O.
NPI 1649611898
Internal Medicine in Tulsa, OK

Active since July 16, 2013PECOS EnrolledAccepts Medicare Assignment
1705 E 19TH ST STE 302, TULSA, OK 74104(918) 748-7585 Get Directions Write a Review

NPPES record last updated: July 1, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nicholas Ryan Peluso D.o. NPPES

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

DR. NICHOLAS RYAN PELUSO D.O. (NPI 1649611898) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (5927) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Jane Phillips, and is a graduate of University Of Pikeville, Kentucky College Of Osteopathic Med (2013).

NPPES Registry Identity

NPI1649611898
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NICHOLAS RYAN PELUSOCredential: D.O.
Location Address1705 E 19TH ST STE 302Tulsa, OK 74104-5410
Mailing Address1923 S Utica AveTulsa, OK 74104-6520 · (918) 403-7054
Sole ProprietorNo
Medical School CMSUniversity Of Pikeville, Kentucky College Of Osteopathic MedGraduated 2013
Enumeration DateJuly 16, 2013
Last NPPES UpdateJuly 1, 2016
✔ NPI 1649611898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in OK · 5927✔ Licensed in FL · UO3637
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.
1705 E 19TH ST STE 302, Tulsa, OK 74104

Accepted 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

Dr. Nicholas Ryan Peluso D.o. 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 ID6103117510
PECOS Enrollment IDI20160615000574
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

4

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

Internal Medicine
1923 S UTICA AVE, DAVIS TOWER 200
Tulsa, OK 74104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 820 clinicians in this Medicare group
Emergency Medicine
6161 S YALE AVE
Tulsa, OK 74136
  • Reassigned Medicare billing, Oklahoma enrollment
  • 300 clinicians in this Medicare group
Critical Care Medicine
1000 W BOISE CIR
Broken Arrow, OK 74012
  • Reassigned Medicare billing, Oklahoma enrollment
  • 48 clinicians in this Medicare group
Internal Medicine
18951 N MEMORIAL DR
Humble, TX 77338
  • Reassigned Medicare billing, Oklahoma enrollment
  • 284 clinicians in this Medicare group

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 6

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
216 services199 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
71 services43 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.
43 services40 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
27 services27 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
22 services22 patients
Emergent insertion of breathing tube into windpipe using an endoscope 31500
This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.
20 services20 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension St John Jane Phillips

Acute Care Hospitals · Bartlesville, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370018
Location3500 East Frank Phillips BoulevardBartlesville, OK 74006 · Washington County
Emergency services Birthing friendly

Ascension St John Medical Center

Acute Care Hospitals · Tulsa, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370114
Location1923 South Utica AvenueTulsa, OK 74104 · 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.

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.

Internal Medicine
1705 E 19TH ST STE 302
TULSA, OK 74104
Hospitalist
1705 E 19TH ST STE 302
TULSA, OK 74104
Internal Medicine
1705 E 19TH ST STE 302
TULSA, OK 74104
Family Medicine
1705 E 19TH ST STE 302
TULSA, OK 74104
Family Medicine
1705 E 19TH ST STE 302
TULSA, OK 74104
Internal Medicine
1705 E 19TH ST STE 302
TULSA, OK 74104
Nurse Practitioner (Gerontology)
1705 E 19TH ST STE 302
TULSA, OK 74104
Nurse Practitioner (Acute Care)
1705 E 19TH ST STE 302
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 Nicholas Peluso's NPI number?

The NPI number for Nicholas Peluso is 1649611898. It was assigned to this individual provider in the NPPES registry on July 16, 2013.

Where is Nicholas Peluso located?

Nicholas Peluso practices at 1705 E 19th St Ste 302, Tulsa, OK 74104. The listed phone number is (918) 748-7585.

What is Nicholas Peluso's specialty?

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

Is Nicholas Peluso enrolled in Medicare?

Yes. Nicholas Peluso 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.

Which organizations bill Medicare for Nicholas Peluso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Peluso reassigns Medicare benefits to 4 organizations: St. John Physicians, Inc. (Tulsa, OK), Usacs Observation Medicine Services Of Oklahoma, LLC (Tulsa, OK), Usacs Critical Care Medicine Of Oklahoma, LLC (Broken Arrow, OK) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicholas Peluso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Peluso accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Nicholas Peluso 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 Nicholas Peluso affiliated with any hospitals?

According to CMS data, Nicholas Peluso is affiliated with Ascension St John Jane Phillips and Ascension St John Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Peluso was last updated on July 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.