1. Home
  2. Directory
  3. New York
  4. Buffalo
  5. Internal Medicine
  6. NPI Profile

JOSHUA OWCZARCZAK
NPI 1245818939
Internal Medicine in Buffalo, NY

Active since April 01, 2021PECOS EnrolledAccepts Medicare Assignment
1001 MAIN ST FL 4, BUFFALO, NY 14203(716) 550-8361(716) 323-0585 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 10, 2025, Apr 1, 2021 (2 updates tracked since 2021).

About Joshua Owczarczak NPPES

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

JOSHUA OWCZARCZAK (NPI 1245818939) is an individual internal medicine provider in Buffalo, New York, licensed in New York (333560) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Buffalo, and is a graduate of State University Of New York At Buffalo School Of Medicine (2021).

NPPES Registry Identity

NPI1245818939
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOSHUA OWCZARCZAK
Location Address1001 MAIN ST FL 4Buffalo, NY 14203-1009
Mailing Address77 Goodell St Ste 310Buffalo, NY 14203-1243
Phone(716) 550-8361
Fax(716) 323-0585
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2021
Enumeration DateApril 1, 2021
Last NPPES UpdateNovember 10, 20252 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
✔ NPI 1245818939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 333560
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.
Also ListedPediatricsTaxonomy 208000000X · License 333560 (NY)
1001 MAIN ST FL 4, Buffalo, NY 14203
Open in Google Maps ↗

Secondary Practice Location 1

Location 11050 Niagara StBuffalo, NY 14213-2001 · Phone (716) 768-7600

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

Joshua Owczarczak 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 ID9133629066
PECOS Enrollment IDI20250825001384
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14203 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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.

DR. MONA BONANNO M.D.
Pediatrics
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0260
MELISSA ANNE AZAULA MD
Physical Medicine & Rehabilitation (Pediatric Rehabilitation Medicine)
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0034
DANIELLE MARIE GOETZ MD
Pediatrics (Pediatric Pulmonology)
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0110
MS. XIAOYAN WU MD
Pediatrics (Pediatric Nephrology)
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0140
DR. XILEI XU CHEN M.D.
Pediatrics (Pediatric Pulmonology)
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0260
MARY BADAME
Doula
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 668-1188
DR. OSAMA FAROUQ ALMADHOUN M.D
Pediatrics (Pediatric Gastroenterology)
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0080
ALBERTO F. MONEGRO M.D.
Internal Medicine (Pulmonary Disease)
1001 MAIN ST FL 4
BUFFALO, NY 14203
Erie County (716) 323-0110

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 Joshua Owczarczak's NPI number?

The NPI number for Joshua Owczarczak is 1245818939. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Where is Joshua Owczarczak located?

Joshua Owczarczak practices at 1001 Main St Fl 4, Buffalo, NY 14203. The listed phone number is (716) 550-8361.

What is Joshua Owczarczak's specialty?

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

Is Joshua Owczarczak enrolled in Medicare?

Yes. Joshua Owczarczak 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.

When was this NPI record last updated?

The NPPES record for Joshua Owczarczak was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.