MR. ROBERT CASEY SULLIVAN M.D.
NPI 1265896179
Internal Medicine - Cardiovascular Disease in Oklahoma City, OK

Q: What is Robert Sullivan's NPI number?

The NPI number for Robert Sullivan is 1265896179. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Q: What is Robert Sullivan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Sullivan was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 April 06, 2016PECOS EnrolledAccepts Medicare Assignment

3433 NW 56TH ST STE 400, OKLAHOMA CITY, OK 73112(405) 948-4040 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2026, Oct 7, 2024, Jun 3, 2023 (3 updates tracked since 2023).

On this page

About Mr. Robert Casey Sullivan M.d. NPPES

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

MR. ROBERT CASEY SULLIVAN M.D. (NPI 1265896179) is an individual cardiovascular disease provider in Oklahoma City, Oklahoma, licensed in Oklahoma (40387) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Duncan Regional Hospital, Inc, and is a graduate of University Of South Florida College Of Medicine (2016).

NPPES Registry Identity

NPI1265896179

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMR. ROBERT CASEY SULLIVANCredential: M.D.

Location Address3433 NW 56TH ST STE 400Oklahoma City, OK 73112-4430

Mailing Address3433 Nw 56th St Ste 400Oklahoma City, OK 73112-4430 · (405) 948-4040

Phone(405) 948-4040

Sole ProprietorYes

Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2016

Enumeration DateApril 6, 2016

Last NPPES UpdateMay 29, 20263 updates tracked since enumeration

NPPES CertifiedMay 29, 2026

✔ NPI 1265896179 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in OK · 40387

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

3433 NW 56TH ST STE 400, Oklahoma City, OK 73112

Open in Google Maps ↗

Accepted Insurance

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

Mr. Robert Casey Sullivan 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 ID8426341884

PECOS Enrollment IDI20240805001824

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 Robert Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Integris Cardiovascular Physicians LLC

Same address

Cardiovascular Disease

3433 NW 56TH ST, STE 400
Oklahoma City, OK 73112

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

NPI 1306129598 (405) 947-3341

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 10

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

40 services39 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.

32 services32 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.

30 services19 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.

25 services21 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.

24 services21 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.

24 services23 patients

Hospital Affiliations CMS Care Compare 4

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

Duncan Regional Hospital, Inc

Acute Care Hospitals · Duncan, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370023

Location2621 Whisenant DrDuncan, OK 73533 · Stephens 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 Canadian Valley Hospital

Acute Care Hospitals · Yukon, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370211

Location1201 Health Center ParkwayYukon, OK 73099 · Canadian 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

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

$66.48 typical visit price

range $16.68 – $132.40

Typical copayment $16.62 (range $4.17 – $33.10)

Most-billed visit code 99213

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 13

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

DR. MICHAEL SOLIMAN NESSIM MEGALY MD, MS

Internal Medicine (Interventional Cardiology)