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DR. MICHAEL J KLEIN DO
NPI 1912940446
Emergency Medicine in Buffalo, NY

Active since June 13, 2006PECOS Enrolled
100 HIGH ST, BUFFALO, NY 14203(716) 691-8838(716) 564-1134 Get Directions Write a Review

NPPES record last updated: August 21, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Michael J Klein Do NPPES

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

DR. MICHAEL J KLEIN DO (NPI 1912940446) is an individual emergency medicine provider in Buffalo, New York, licensed in New York (171826) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912940446
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MICHAEL J KLEINCredential: DO
Location Address100 HIGH STBuffalo, NY 14203
Mailing Address6 Fountain PlazaBuffalo, NY 14202 · (716) 691-8838 · Fax (716) 564-1134
Phone(716) 691-8838
Fax(716) 564-1134
Sole ProprietorNo
Enumeration DateJune 13, 2006
Last NPPES UpdateAugust 21, 2014
✔ NPI 1912940446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NY · 171826✔ Licensed in NY · 1718263
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
100 HIGH ST, Buffalo, NY 14203
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Other Identifiers 8

Other000524709003NY · Blue Cross Blue Shield
Other00026746501NY · Univera
Other3910175NY · Independent Health
Other2012829NY · Fidelis
Medicare UPINE93606NY
Medicaid01174267NY
Other930034353NY · Railroad Medicare
Medicare ID-Type Unspecified11621GNY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael J Klein Do 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.

Medicare Billing Reassignment

Medicare enrollment records show Michael Klein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Emergency Medical Services Inc.
2.5 mi
Emergency Medicine
462 GRIDER ST
Buffalo, NY 14215
  • Reassigned Medicare billing, New York enrollment
  • 194 clinicians in this Medicare group
NPI 1972540482 (716) 389-3271

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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.

MS. DENISE MARIE DONAHUE NURSE PRACTITIONER
Nurse Practitioner
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
GENERAL PHYSICIAN SUB II PLLC
Specialist
100 HIGH ST, RM C421
BUFFALO, NY 14203
Erie County (716) 859-7607
DR. MATTHEW KYLE MOSER MD
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 218-1000
MIAN MOHAMMAD HAMMAS MD
Hospitalist
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
DR. GUY SHEMESH DUNETZ MD
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
JILL FRASCO DO
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
THOMAS WILLIAM JORDAN D.O.
Emergency Medicine
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-1993
KIM HUBER
Registered Nurse (Registered Nurse First Assistant)
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-2741

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 Michael Klein's NPI number?

The NPI number for Michael Klein is 1912940446. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Michael Klein located?

Michael Klein practices at 100 High St, Buffalo, NY 14203. The listed phone number is (716) 691-8838.

What is Michael Klein's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Michael Klein enrolled in Medicare?

Yes. Michael Klein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Klein reassigns Medicare benefits to University Emergency Medical Services Inc. (Buffalo, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Klein was last updated on August 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.