MARYELLEN ESTEVEZ PFEIFFER D.O.
NPI 1609076165
Internal Medicine in York, PA

Active since July 23, 2007PECOS Enrolled
1001 S GEORGE ST, 3RD FLOOR, YORK, PA 17403(717) 851-4005(717) 812-2495 Get Directions Write a Review

NPPES record last updated: February 3, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Maryellen Estevez Pfeiffer D.o. NPPES

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

MARYELLEN ESTEVEZ PFEIFFER D.O. (NPI 1609076165) is an individual internal medicine provider in York, Pennsylvania, licensed in Pennsylvania (OS013949) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609076165
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARYELLEN ESTEVEZ PFEIFFERCredential: D.O.
Location Address1001 S GEORGE ST, 3RD FLOORYork, PA 17403-3676
Mailing Address1001 S George St, Fl 4York, PA 17403-3676 · (717) 851-1405 · Fax (717) 851-6969
Fax(717) 812-2495
Sole ProprietorNo
Enumeration DateJuly 23, 2007
Last NPPES UpdateFebruary 3, 2020
NPI 1609076165 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 PA · OS013949
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 ListedHospitalistTaxonomy 208M00000X · License OS013949 (PA)
1001 S GEORGE ST, York, PA 17403

Other Names 1

Former Name (1)Maryellen E Estevez D.o.

Other Identifiers 8

Other1582461PA · Gateway-wmg
Other272755PA · Unison-wmg
Medicaid033831100MD
Medicaid102179302PA
Other30131964PA · Amerihealth Mercy - Wmg
Other953500MD · Carefirst Md Bcbs-wmg
Other20091168PA · Amerihealth Mercy-wmg
Other2109718PA · Highmark Blue Shield

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Maryellen Estevez Pfeiffer 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 17403 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.

Speech-Language Pathologist
1001 S GEORGE ST
YORK, PA 17403
Nurse Practitioner (Adult Health)
1001 S GEORGE ST, 3RD FLOOR
YORK, PA 17403
Family Medicine
1001 S GEORGE ST, YORK HOSPITAL
YORK, PA 17403
Nurse Anesthetist, Certified Registered
1001 S GEORGE ST
YORK, PA 17403
Emergency Medicine
1001 S GEORGE ST
YORK, PA 17403
Physician Assistant (Medical)
1001 S GEORGE ST
YORK, PA 17403
Emergency Medicine
1001 S GEORGE ST
YORK, PA 17403
Internal Medicine
1001 S GEORGE ST
YORK, PA 17403

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 Maryellen Pfeiffer's NPI number?

The NPI number for Maryellen Pfeiffer is 1609076165. It was assigned to this individual provider in the NPPES registry on July 23, 2007. The provider is also known as Maryellen E Estevez D.O..

Where is Maryellen Pfeiffer located?

Maryellen Pfeiffer practices at 1001 S George St 3rd Floor, York, PA 17403. The listed phone number is (717) 851-4005.

What is Maryellen Pfeiffer's specialty?

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

Is Maryellen Pfeiffer enrolled in Medicare?

Yes. Maryellen Pfeiffer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maryellen Pfeiffer was last updated on February 3, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.