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ISABEL OBRUSNIK MD
NPI 1891432837
Internal Medicine in Salisbury, MD

Active since May 19, 2022PECOS EnrolledAccepts Medicare Assignment
100 E CARROLL ST, SALISBURY, MD 21801(410) 546-6400 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 8, 2025, May 19, 2022 (2 updates tracked since 2022).

About Isabel Obrusnik Md NPPES

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

ISABEL OBRUSNIK MD (NPI 1891432837) is an individual internal medicine provider in Salisbury, Maryland, licensed in Maryland (D0102516) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Tidalhealth Peninsula Regional, Inc, and maintains a secondary practice location in Stamford.

NPPES Registry Identity

NPI1891432837
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameISABEL OBRUSNIKCredential: MD
Location Address100 E CARROLL STSalisbury, MD 21801-5422
Mailing Address100 E Carroll StSalisbury, MD 21801-5422 · (410) 546-6400
Phone(410) 546-6400
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 19, 2022
Last NPPES UpdateOctober 8, 20252 updates tracked since enumeration
NPPES CertifiedOctober 8, 2025
✔ NPI 1891432837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0102516
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.
100 E CARROLL ST, Salisbury, MD 21801
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Secondary Practice Location 1

Location 11 Hospital PlzStamford, CT 06902-3602 · Phone (203) 276-7147

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

Isabel Obrusnik 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 ID7517455686
PECOS Enrollment IDI20251021002843
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.

Hospital Affiliations CMS Care Compare 2

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

Tidalhealth Peninsula Regional, Inc

Acute Care Hospitals · Salisbury, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210019
Location100 East Carroll AvenueSalisbury, MD 21801 · Wicomico County
Emergency services Birthing friendly

Atlantic General Hospital

Acute Care Hospitals · Berlin, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210061
Location9733 Healthway DriveBerlin, MD 21811 · Worcester County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21801 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
$133.05 typical visit price
range $57.99 – $175.57
Typical copayment $33.26 (range $14.49 – $43.89)
Most-billed visit code 99204
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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. DANIEL DEMETRIOS COLLECTOR MD
Student in an Organized Health Care Education/Training Program
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 546-6400
TIDALHEALTH SPECIALTY CARE
Pediatrics (Neonatal-Perinatal Medicine)
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7749
ALEX L MAH MD
Anesthesiology
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7375
MICHELLE H GRBIC MS CCC-SLP
Speech-Language Pathologist
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 546-6400
DR. SAVANNAH FINLEY DO
Student in an Organized Health Care Education/Training Program
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 546-6400
BRENDA MARTIN CRNP
Nurse Practitioner
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7531
CHARLES B SILVIA JR. MD
Internal Medicine
100 E CARROLL ST, INPATIENT SERVICES
SALISBURY, MD 21801
Wicomico County (410) 543-7536
WILLIAM C TODD MD
Emergency Medicine
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7100

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 Isabel Obrusnik's NPI number?

The NPI number for Isabel Obrusnik is 1891432837. It was assigned to this individual provider in the NPPES registry on May 19, 2022.

Where is Isabel Obrusnik located?

Isabel Obrusnik practices at 100 E Carroll St, Salisbury, MD 21801. The listed phone number is (410) 546-6400.

What is Isabel Obrusnik's specialty?

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

Is Isabel Obrusnik enrolled in Medicare?

Yes. Isabel Obrusnik 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.

Is Isabel Obrusnik affiliated with any hospitals?

According to CMS data, Isabel Obrusnik is affiliated with Tidalhealth Peninsula Regional, Inc and Atlantic General Hospital.

When was this NPI record last updated?

The NPPES record for Isabel Obrusnik was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.