1. Home
  2. Directory
  3. Pennsylvania
  4. Allentown
  5. Internal Medicine
  6. NPI Profile

DR. OLGA SHLEYFER D.O
NPI 1114862257
Internal Medicine in Allentown, PA

Active since April 23, 2026PECOS Enrolled
1200 S CEDAR CREST BLVD, ALLENTOWN, PA 18103(484) 862-3156 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Olga Shleyfer D.o NPPES

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

DR. OLGA SHLEYFER D.O (NPI 1114862257) is an individual internal medicine provider in Allentown, Pennsylvania, licensed in Pennsylvania (OT025147) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114862257
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. OLGA SHLEYFERCredential: D.O
Location Address1200 S CEDAR CREST BLVDAllentown, PA 18103-6202
Mailing Address34 Primrose LnHuntingdon Valley, PA 19006-5441 · (267) 595-4224
Phone(484) 862-3156
Sole ProprietorYes
Enumeration DateApril 23, 2026
NPPES CertifiedApril 23, 2026
✔ NPI 1114862257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · OT025147
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.
1200 S CEDAR CREST BLVD, Allentown, PA 18103
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Olga Shleyfer D.o 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18103 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

MUHAMMAD MAJEED MD
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
AARSHITHA SRINIVAS KATTA DO
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
CARLY A. SHAFFER DO
Internal Medicine
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 862-3156
NORMA D. WILSON CRNA
Nurse Anesthetist, Certified Registered
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-9099
ASHLEY VOJTEK DO
Student in an Organized Health Care Education/Training Program
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 862-3200
DR. DOUGLAS MCHALE DO
Pediatrics
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-7712
ANNE ALICIA TOKOS MD
Emergency Medicine
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-8000
CHRISTINE XUE
Radiology (Diagnostic Radiology)
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 274-3702

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 Olga Shleyfer's NPI number?

The NPI number for Olga Shleyfer is 1114862257. It was assigned to this individual provider in the NPPES registry on April 23, 2026.

Where is Olga Shleyfer located?

Olga Shleyfer practices at 1200 S Cedar Crest Blvd, Allentown, PA 18103. The listed phone number is (484) 862-3156.

What is Olga Shleyfer's specialty?

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

Is Olga Shleyfer enrolled in Medicare?

Yes. Olga Shleyfer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Olga Shleyfer was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.