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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GEORGE GEOFFREY NEIDERMAN M.D.
NPI 1346328713
Internal Medicine - Nephrology in Buffalo, NY

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
462 GRIDER ST STE 1152, BUFFALO, NY 14215(716) 898-4803(716) 898-6266 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2026, May 28, 2025, Apr 2, 2025 (3 updates tracked since 2025).

About Dr. George Geoffrey Neiderman M.d. NPPES

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

DR. GEORGE GEOFFREY NEIDERMAN M.D. (NPI 1346328713) is an individual nephrology provider in Buffalo, New York, licensed in New York (184789) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Erie County Medical Center, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1346328713
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. GEORGE GEOFFREY NEIDERMANCredential: M.D.
Location Address462 GRIDER ST STE 1152Buffalo, NY 14215-3021
Mailing Address462 Grider St Ste 1152Buffalo, NY 14215-3021 · (716) 898-4803 · Fax (716) 898-6266
Phone(716) 898-4803
Fax(716) 898-6266
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateNovember 1, 2006
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1346328713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in NY · 184789
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
462 GRIDER ST STE 1152, Buffalo, NY 14215
Open in Google Maps ↗

Other Identifiers 9

Other0812634NY · Aetna
OtherP00000206898NY · Ghi
OtherP867408NY · Oxford
OtherPR78617270001NY · Cigna
Other000917442NY · American Postal Workers Union
Other02714810NY · Magnacare
Medicaid01562101NY
Other100144295602NY · Americhoice
OtherP00603271NY · Railroad Medicare Ptan

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. George Geoffrey Neiderman M.d. 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 ID9739137274
PECOS Enrollment IDI20050111000523
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 George Neiderman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Academic Medicine Services, Inc.
7.0 mi
Internal Medicine
1020 YOUNGS RD
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 157 clinicians in this Medicare group
NPI 1255394763 (716) 961-9900

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

Areas of Expertise CMS Part B claims 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
191 services68 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
69 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
66 services42 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
63 services58 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
56 services24 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
29 services13 patients

Hospital Affiliations CMS Care Compare

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

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330219
Location462 Grider StreetBuffalo, NY 14215 · Erie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14215 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.

DR. SHIRLEY BOTROS DO
Internal Medicine (Nephrology)
462 GRIDER ST STE 1152
BUFFALO, NY 14215
Erie County (716) 898-4803

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 George Neiderman's NPI number?

The NPI number for George Neiderman is 1346328713. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is George Neiderman located?

George Neiderman practices at 462 Grider St Ste 1152, Buffalo, NY 14215. The listed phone number is (716) 898-4803.

What is George Neiderman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is George Neiderman enrolled in Medicare?

Yes. George Neiderman 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.

Which organization bills Medicare for George Neiderman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Neiderman reassigns Medicare benefits to Academic Medicine Services, Inc. (Williamsville, 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 George Neiderman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is George Neiderman affiliated with any hospitals?

According to CMS data, George Neiderman is affiliated with Erie County Medical Center.

When was this NPI record last updated?

The NPPES record for George Neiderman was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.