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DR. SEYED MOHAMMAD NAHIDI MD
NPI 1699408971
Internal Medicine - Sleep Medicine in Buffalo, NY

Active since July 05, 2022PECOS Enrolled
1001 MAIN ST FL 5, BUFFALO, NY 14203(716) 323-0225(716) 323-0293 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 10, 2026, Jul 5, 2022 (2 updates tracked since 2022).

About Dr. Seyed Mohammad Nahidi Md NPPES

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

DR. SEYED MOHAMMAD NAHIDI MD (NPI 1699408971) is an individual sleep medicine provider in Buffalo, New York, licensed in New York (337531) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1699408971
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameDR. SEYED MOHAMMAD NAHIDICredential: MD
Location Address1001 MAIN ST FL 5Buffalo, NY 14203-1009
Mailing Address461 Easy StreetRichmond Hill, ONTARIO L4C 3Z5
Phone(716) 323-0225
Fax(716) 323-0293
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJuly 5, 2022
Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1699408971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in NY · 337531
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
1001 MAIN ST FL 5, Buffalo, NY 14203
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Seyed Mohammad Nahidi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID143786434
PECOS Enrollment IDI20260727004371
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 Seyed Mohammad Nahidi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University At Buffalo Pediatric Associates Inc
Same address
Pediatrics
1001 MAIN ST FL 4
Buffalo, NY 14203
  • Reassigned Medicare billing, New York enrollment
  • 217 clinicians in this Medicare group
NPI 1912928599 (716) 323-0225

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
$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 20

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

AYSENUR DANIS
Student in an Organized Health Care Education/Training Program
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0031
DR. MARY ELLEN EMBORSKY DO
Pediatrics (Pediatric Emergency Medicine)
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0220
DR. MEGHAN E JACOBS MD
Hospitalist
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0225
REBECCAH STEVENS
Obstetrics & Gynecology
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0631
DEMI ZHU
Student in an Organized Health Care Education/Training Program
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0630
MARIA SARAH MORGAN MD
Obstetrics & Gynecology
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 636-8284
MIKA IWANO M.D.
Emergency Medicine (Pediatric Emergency Medicine)
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0220
CAITLIN CHUNCO
Student in an Organized Health Care Education/Training Program
1001 MAIN ST FL 5
BUFFALO, NY 14203
Erie County (716) 323-0031

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 Seyed Mohammad Nahidi's NPI number?

The NPI number for Seyed Mohammad Nahidi is 1699408971. It was assigned to this individual provider in the NPPES registry on July 5, 2022.

Where is Seyed Mohammad Nahidi located?

Seyed Mohammad Nahidi practices at 1001 Main St Fl 5, Buffalo, NY 14203. The listed phone number is (716) 323-0225.

What is Seyed Mohammad Nahidi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Seyed Mohammad Nahidi enrolled in Medicare?

Yes. Seyed Mohammad Nahidi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Seyed Mohammad Nahidi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Seyed Mohammad Nahidi reassigns Medicare benefits to University At Buffalo Pediatric Associates 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 Seyed Mohammad Nahidi'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 Seyed Mohammad Nahidi was last updated on July 10, 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.