NICHOLAS NIAZI MD
NPI 1144688862
Internal Medicine - Nephrology in Baltimore, MD

Q: What is Nicholas Niazi's NPI number?

The NPI number for Nicholas Niazi is 1144688862. It was assigned to this individual provider in the NPPES registry on February 9, 2016.

Q: What is Nicholas Niazi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nicholas Niazi was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since February 09, 2016PECOS EnrolledAccepts Medicare Assignment

200 E 33RD ST STE 523, BALTIMORE, MD 21218(410) 235-9382(410) 235-9803 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Nov 13, 2025, Mar 27, 2023, Jul 1, 2020 and 5 more (8 updates tracked since 2016).

On this page

About Nicholas Niazi Md NPPES

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

NICHOLAS NIAZI MD (NPI 1144688862) is an individual nephrology provider in Baltimore, Maryland, licensed in Maryland (D0103502) and active in the NPI registry since February 2016. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and is a graduate of Georgetown University School Of Medicine (2016).

NPPES Registry Identity

NPI1144688862

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameNICHOLAS NIAZICredential: MD

Location Address200 E 33RD ST STE 523Baltimore, MD 21218-3380

Mailing Address200 E 33rd St Ste 523Baltimore, MD 21218-3380 · (410) 235-9382 · Fax (410) 235-9803

Phone(410) 235-9382

Fax(410) 235-9803

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 2016

Enumeration DateFebruary 9, 2016

Last NPPES UpdateNovember 13, 20258 updates tracked since enumeration

NPPES CertifiedNovember 13, 2025

✔ NPI 1144688862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in MD · D0103502✔ Licensed in VA · 0101263300

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 35.136794 (OH)

200 E 33RD ST STE 523, Baltimore, MD 21218

Open in Google Maps ↗

Other Identifiers 1

Medicaid0370180OH

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

Nicholas Niazi Md 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 ID4789977224

PECOS Enrollment IDI20251204004721

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.

Hospital Affiliations CMS Care Compare 3

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

Sinai Hospital Of Baltimore

Acute Care Hospitals · Baltimore, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210012

Location2401 West Belvedere AvenueBaltimore, MD 21215 · Baltimore City County

Emergency services Birthing friendly

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210024

Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County

Emergency services

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210056

Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21218 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

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 2

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

WASHINGTON NEPHROLOGY ASSOCIATES, L.L.P.

Internal Medicine (Nephrology)

200 E 33RD ST STE 523
BALTIMORE, MD 21218

Baltimore City (410) 235-9382

DHAVAL G AGHERA M.D.

Internal Medicine (Nephrology)

200 E 33RD ST STE 523
BALTIMORE, MD 21218

Baltimore City (410) 235-9382

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 Nicholas Niazi's NPI number?

The NPI number for Nicholas Niazi is 1144688862. It was assigned to this individual provider in the NPPES registry on February 9, 2016.

Where is Nicholas Niazi located?

Nicholas Niazi practices at 200 E 33rd St Ste 523, Baltimore, MD 21218. The listed phone number is (410) 235-9382.

What is Nicholas Niazi's specialty?

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

Is Nicholas Niazi enrolled in Medicare?

Yes. Nicholas Niazi 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 Nicholas Niazi affiliated with any hospitals?

According to CMS data, Nicholas Niazi is affiliated with Sinai Hospital Of Baltimore, Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Niazi was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.