Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARY ELIZABETH STOCK M.D.
NPI 1952312936
Internal Medicine in Amherst, NY

Active since August 11, 2006PECOS Enrolled
4350 MAPLE RD, AMHERST, NY 14226(716) 829-3316(716) 829-2564 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Mary Elizabeth Stock M.d. NPPES

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

DR. MARY ELIZABETH STOCK M.D. (NPI 1952312936) is an individual internal medicine provider in Amherst, New York, licensed in New York (201029) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952312936
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARY ELIZABETH STOCKCredential: M.D.
Location Address4350 MAPLE RDAmherst, NY 14226-1027
Mailing Address4350 Maple RdAmherst, NY 14226-1027 · (716) 829-3316 · Fax (716) 829-2564
Fax(716) 829-2564
Sole ProprietorYes
Enumeration DateAugust 11, 2006
Last NPPES UpdateJuly 16, 2026
NPPES CertifiedJuly 16, 2026
NPI 1952312936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 201029
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.

4350 MAPLE RD, Amherst, NY 14226

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. Mary Elizabeth Stock M.d. 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 14226 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
4350 MAPLE RD
AMHERST, NY 14226

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952312936, enumerated as an "individual" on August 11, 2006.

The provider is located at 4350 MAPLE RD AMHERST, NY 14226 and the phone number is (716) 829-3316.

Internal Medicine with taxonomy code 207R00000X.