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DR. REZA SHAMS PIRZADEH M.D.
NPI 1831419779
Hospitalist in Knoxville, TN

Active since June 02, 2010PECOS EnrolledAccepts Medicare Assignment
1924 ALCOA HWY, U56, KNOXVILLE, TN 37920(865) 305-9081(865) 305-8769 Get Directions Write a Review

NPPES record last updated: June 14, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 14, 2024, Jul 23, 2017 (2 updates tracked since 2017).

About Dr. Reza Shams Pirzadeh M.d. NPPES

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

DR. REZA SHAMS PIRZADEH M.D. (NPI 1831419779) is an individual hospitalist provider in Knoxville, Tennessee, licensed in Louisiana (341739) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Hammond, and is a graduate of Tulane University School Of Medicine (2010).

NPPES Registry Identity

NPI1831419779
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. REZA SHAMS PIRZADEHCredential: M.D.
Location Address1924 ALCOA HWY, U56Knoxville, TN 37920-1511
Mailing AddressPo Box 440426Nashville, TN 37244-0426 · (865) 670-6199 · Fax (865) 670-6198
Phone(865) 305-9081
Fax(865) 305-8769
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2010
Enumeration DateJune 2, 2010
Last NPPES UpdateJune 14, 20242 updates tracked since enumeration
NPPES CertifiedJune 14, 2024
✔ NPI 1831419779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in LA · 341739
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License M-2078 (GU), MTL-2017-070 (GU), 54826 (TN)
1924 ALCOA HWY, Knoxville, TN 37920
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Other Names 1

Other Name (5)Dr. Reza Pirzadeh M.d.

Secondary Practice Location 1

Location 115790 Paul Vega Md DrHammond, LA 70403-1436 · Phone (985) 230-1683 · Fax (985) 230-6652

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, HMO Louisiana, Oscar Insurance Company.Insurance ›

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. Reza Shams Pirzadeh 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 ID9032419585
PECOS Enrollment IDI20191025002220
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 Reassignments

5

Medicare enrollment records show Reza Shams Pirzadeh reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist Acute Care Services, PLLC
763 mi
Internal Medicine
10133 INTERSTATE 10 E
Baytown, TX 77521
  • Reassigned Medicare billing, Texas enrollment
  • 8 clinicians in this Medicare group
NPI 1659905263 (281) 576-0555
Hospital Docs PA
780 mi
Internal Medicine
15595 ZOE LOOP DR
Montgomery, TX 77316
  • Reassigned Medicare billing, Texas enrollment
  • 77 clinicians in this Medicare group
NPI 1871792309 (936) 588-6300
Lonestar Hospital Medicine Associates, PA
787 mi
Hospitalist
2700 E BROAD ST
Mansfield, TX 76063
  • Reassigned Medicare billing, Texas enrollment
  • 994 clinicians in this Medicare group
NPI 1518237429 (682) 622-2000
Hospital Medicine Services Of Tx, PLLC
959 mi
Hospitalist
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 681 clinicians in this Medicare group
NPI 1881392363 (210) 575-4000
Guam Healthcare Development Incorporated
Clinic/Center
133 ROUTE 3
Dededo, GU 96929
  • Reassigned Medicare billing, Guam enrollment
  • 432 clinicians in this Medicare group
NPI 1326447939 (671) 645-5500

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 37920 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers39 claims39 services$14.31 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers42 claims42 services$61.33 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MRS. SUSANNE LORI MITCHELL RN
Registered Nurse (Obstetric, High-Risk)
1924 ALCOA HWY, 6S
KNOXVILLE, TN 37920
Knox County (865) 305-8888
DR. FELIX JOSEPH NEPVEUX V M.D.
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY, UNIV. OF TENNESSEE MEDICAL CENTER, DEPT. OF PATHOLOGY
KNOXVILLE, TN 37920
Knox County (864) 498-8960
DR. SPENCER PUGH M.D.
Internal Medicine (Pulmonary Disease)
1924 ALCOA HWY, DEPARTMENT OF MEDICINE U-114 GSM, UTMCK
KNOXVILLE, TN 37920
Knox County (865) 305-9340
CAITLIN TABLER LOWE
Nurse Practitioner (Gerontology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-7255
CHRISTIAN BAYLESS CRNA
Nurse Anesthetist, Certified Registered
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-9000
JOAN JAKAB
Pharmacist
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-5337
UNIVERSITY PATHOLOGISTS, P.C.
Pathology (Anatomic Pathology & Clinical Pathology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-9080
DAPHNE M. NORWOOD, MD
Internal Medicine
1924 ALCOA HWY, BOX U114
KNOXVILLE, TN 37920
Knox County (865) 305-9349

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 Reza Shams Pirzadeh's NPI number?

The NPI number for Reza Shams Pirzadeh is 1831419779. It was assigned to this individual provider in the NPPES registry on June 2, 2010. The provider is also known as Dr. Reza Pirzadeh M.D..

Where is Reza Shams Pirzadeh located?

Reza Shams Pirzadeh practices at 1924 Alcoa Hwy U56, Knoxville, TN 37920. The listed phone number is (865) 305-9081.

What is Reza Shams Pirzadeh's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Reza Shams Pirzadeh enrolled in Medicare?

Yes. Reza Shams Pirzadeh 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 organizations bill Medicare for Reza Shams Pirzadeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Reza Shams Pirzadeh reassigns Medicare benefits to 5 organizations: Hospitalist Acute Care Services, PLLC (Baytown, TX), Hospital Docs PA (Montgomery, TX), Lonestar Hospital Medicine Associates, PA (Mansfield, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX) and Guam Healthcare Development Incorporated (Dededo, GU). Each 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 Reza Shams Pirzadeh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Reza Shams Pirzadeh accept?

Health plans from Blue Cross and Blue Shield of Texas, HMO Louisiana and Oscar Insurance Company list Reza Shams Pirzadeh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Reza Shams Pirzadeh was last updated on June 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.