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SPENCER L NIELSON DO
NPI 1417419227
Emergency Medicine in Buffalo, NY

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment
95.19/100
CMS Quality Rating
955 MAIN ST STE 7230, BUFFALO, NY 14203(716) 829-6124(716) 829-3999 Get Directions Write a Review

NPPES record last updated: August 15, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 15, 2024, Apr 1, 2019 (2 updates tracked since 2019).

About Spencer L Nielson Do NPPES

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

SPENCER L NIELSON DO (NPI 1417419227) is an individual emergency medicine provider in Buffalo, New York, licensed in Indiana (02007915A) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Inc, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1417419227
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSPENCER L NIELSONCredential: DO
Location Address955 MAIN ST STE 7230Buffalo, NY 14203-1121
Mailing Address955 Main St Ste 7230Buffalo, NY 14203-1121 · (716) 829-6124 · Fax (716) 829-3999
Phone(716) 829-6124
Fax(716) 829-3999
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 1, 2019
Last NPPES UpdateAugust 15, 20242 updates tracked since enumeration
NPPES CertifiedAugust 15, 2024
✔ NPI 1417419227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IN · 02007915A
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
955 MAIN ST STE 7230, Buffalo, NY 14203
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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

Spencer L Nielson Do 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 ID8820325111
PECOS Enrollment IDI20240823001568
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
110 services108 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
39 services39 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
38 services38 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
32 services32 patients

Hospital Affiliations CMS Care Compare

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

Methodist Hospitals Inc

Acute Care Hospitals · Gary, IN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150002
Location600 Grant StGary, IN 46402 · Lake County
Emergency services Birthing friendly

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality70.62
Promoting Interoperability100
Improvement Activities40

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.

SARAH KHALED ALEM
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-5076
CONSTANCE K HOWARD DO
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012
TERRY XIA MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012
BAILEY MICHAEL MAJTYKA MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012
KEVIN ALEXANDER DIMAGNO DO
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (585) 414-9386
DR. LESTER ERNESTO BAYONA CHUYE MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-6132
ELENA BARBARA HEIDEN PETERS MD
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 645-9707
GABRIELA MARIE KLANSKY D.O.
Student in an Organized Health Care Education/Training Program
955 MAIN ST STE 7230
BUFFALO, NY 14203
Erie County (716) 829-2012

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 Spencer Nielson's NPI number?

The NPI number for Spencer Nielson is 1417419227. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Spencer Nielson located?

Spencer Nielson practices at 955 Main St Ste 7230, Buffalo, NY 14203. The listed phone number is (716) 829-6124.

What is Spencer Nielson's specialty?

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

Is Spencer Nielson enrolled in Medicare?

Yes. Spencer Nielson 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 Spencer Nielson affiliated with any hospitals?

According to CMS data, Spencer Nielson is affiliated with Methodist Hospitals Inc.

When was this NPI record last updated?

The NPPES record for Spencer Nielson was last updated on August 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.