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MARK BILINYI ULANJA MD
NPI 1841644747
Internal Medicine in Bridgeport, CT

Active since April 17, 2016PECOS Enrolled
2800 MAIN ST, BRIDGEPORT, CT 06606(203) 576-5791 Get Directions Write a Review

NPPES record last updated: March 24, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Bilinyi Ulanja Md NPPES

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

MARK BILINYI ULANJA MD (NPI 1841644747) is an individual internal medicine provider in Bridgeport, Connecticut, licensed in Louisiana (323827) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841644747
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK BILINYI ULANJACredential: MD
Location Address2800 MAIN STBridgeport, CT 06606-4201
Mailing Address1917 E Chase StBaltimore, MD 21213-3302 · (443) 682-5216
Phone(203) 576-5791
Sole ProprietorNo
Enumeration DateApril 17, 2016
Last NPPES UpdateMarch 24, 2021
NPPES CertifiedMarch 24, 2021
✔ NPI 1841644747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in LA · 323827
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.
2800 MAIN ST, Bridgeport, CT 06606
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CHRISTUS Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Bilinyi Ulanja Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Mark Ulanja reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southwest Louisiana Physicians, LLC
1,354 mi
Internal Medicine
4200 NELSON RD
Lake Charles, LA 70605
  • Reassigned Medicare billing, Louisiana enrollment
  • 60 clinicians in this Medicare group
NPI 1972384139 (337) 474-6370
Cogent Healthcare Of Texas, PA
1,417 mi
Internal Medicine
8200 WALNUT HILL LN
Dallas, TX 75231
  • Reassigned Medicare billing, Louisiana enrollment
  • 92 clinicians in this Medicare group
NPI 1992722953 (214) 345-7585

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
281 services107 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.
187 services77 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
119 services114 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.
104 services98 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06606 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers30 claims30 services$15.19 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers33 claims33 services$74.84 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier14 claims14 services$19.70 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JENNIFER GODWIN OKON M.D
Student in an Organized Health Care Education/Training Program
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (203) 576-6000
CAITLIN VAN ESS CRNA
Nurse Anesthetist, Certified Registered
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (860) 576-5000
DR. FRANK RAYMOND SCIFO M.D.
Family Medicine
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (203) 576-5986
KATHRYN LOHOTSKY JAFFER CRNA
Nurse Anesthetist, Certified Registered
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (203) 576-6000
DR. ABBIE SACCARY MD
Emergency Medicine
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (415) 210-5604
CLEOFAS ESPINOZA CRNA
Nurse Anesthetist, Certified Registered
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (203) 576-6000
PETER JAKUBOWSKI
Nurse Anesthetist, Certified Registered
2800 MAIN ST, ST VINCENTS MEDICAL CENTER
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (203) 929-7353
DANIEL PAOLETTI PA-C
Physician Assistant (Medical)
2800 MAIN ST
BRIDGEPORT, CT 06606
Greater Bridgeport Planning Region (203) 576-6000

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 Mark Ulanja's NPI number?

The NPI number for Mark Ulanja is 1841644747. It was assigned to this individual provider in the NPPES registry on April 17, 2016.

Where is Mark Ulanja located?

Mark Ulanja practices at 2800 Main St, Bridgeport, CT 06606. The listed phone number is (203) 576-5791.

What is Mark Ulanja's specialty?

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

Is Mark Ulanja enrolled in Medicare?

Yes. Mark Ulanja is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Ulanja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ulanja reassigns Medicare benefits to 2 organizations: Southwest Louisiana Physicians, LLC (Lake Charles, LA) and Cogent Healthcare Of Texas, PA (Dallas, 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 Mark Ulanja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Ulanja accept?

Health plans from CHRISTUS Health Plan list Mark Ulanja 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.

When was this NPI record last updated?

The NPPES record for Mark Ulanja was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.