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DR. ROBERT ZARAY TASHJIAN MD
NPI 1659300044
Orthopaedic Surgery in Salt Lake City, UT

Active since June 30, 2006PECOS EnrolledAccepts Medicare Assignment
92.06/100
CMS Quality Rating
590 WAKARA WAY, SALT LAKE CITY, UT 84108(801) 581-3998 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 20, 2021, Oct 27, 2020 (2 updates tracked since 2020).

About Dr. Robert Zaray Tashjian Md NPPES

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

DR. ROBERT ZARAY TASHJIAN MD (NPI 1659300044) is an individual orthopaedic surgery provider in Salt Lake City, Utah, licensed in Utah (6209402-1205) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital - Salt Lake, and is a graduate of Tufts University School Of Medicine (1999).

NPPES Registry Identity

NPI1659300044
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. ROBERT ZARAY TASHJIANCredential: MD
Location Address590 WAKARA WAYSalt Lake City, UT 84108-1200
Mailing AddressPo Box 58108Salt Lake City, UT 84158-0108 · (801) 581-3998
Phone(801) 581-3998
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1999
Enumeration DateJune 30, 2006
Last NPPES UpdateDecember 20, 20212 updates tracked since enumeration
NPPES CertifiedDecember 20, 2021
✔ NPI 1659300044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in UT · 6209402-1205
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedMilitary Health Care ProviderTaxonomy 171000000X · License 6209402-1205 (UT)
590 WAKARA WAY, Salt Lake City, UT 84108
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and more.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. Robert Zaray Tashjian 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 ID1951363100
PECOS Enrollment IDI20070207000435
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 Robert Tashjian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Utah Adult Services
Same address
Orthopaedic Surgery
590 S WAKARA WAY
Salt Lake City, UT 84108
  • Reassigned Medicare billing, Utah enrollment
  • 2,620 clinicians in this Medicare group
NPI 1932503430 (801) 581-2121

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 11

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.

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.
195 services150 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
157 services131 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
70 services70 patients
Prosthetic repair of shoulder joint, total shoulder 23472
Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.
54 services53 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services38 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.
38 services31 patients

Hospital Affiliations CMS Care Compare 4

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

Holy Cross Hospital - Salt Lake

Acute Care Hospitals · Salt Lake City, UT
2/5 CMS rating
OwnershipProprietary
CMS Certification Number460003
Location1050 East South TempleSalt Lake City, UT 84102 · Salt Lake County
Emergency services

University Of Utah Hospitals And Clinics

Acute Care Hospitals · Salt Lake City, UT
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number460009
Location50 North Medical DriveSalt Lake City, UT 84132 · Salt Lake County
Emergency services Birthing friendly

Castleview Hospital

Acute Care Hospitals · Price, UT
4/5 CMS rating
OwnershipProprietary
CMS Certification Number460011
Location300 North Hospital DrivePrice, UT 84501 · Carbon County
Emergency services Birthing friendly

St Johns Medical Center

Acute Care Hospitals · Jackson, WY
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number530015
Location625 East BroadwayJackson, WY 83001 · Teton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84108 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
$84.41 typical visit price
range $54.34 – $166.03
Typical copayment $21.10 (range $13.58 – $41.50)
Most-billed visit code 99203
Established Patient
$68.01 typical visit price
range $17.23 – $135.20
Typical copayment $17.00 (range $4.30 – $33.80)
Most-billed visit code 99213
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.

92.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.57
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670
DME-Orthotic Devices · category DF000N
2 suppliers22 claims22 services$83.72 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.

ADAM HAMMER
Physical Therapist
590 WAKARA WAY, UUHC ORTHOPAEDIC CENTER - THERAPY SERVICES
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7005
ROBERT T. BURKS MD
Orthopaedic Surgery
590 WAKARA WAY
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7109
DR. ANDREW TYSER M.D.
Orthopaedic Surgery (Hand Surgery)
590 WAKARA WAY
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7109
STEPHANIE KUNIE SUEOKA MPT, DPT, CHT
Physical Therapist
590 WAKARA WAY, ORTHOPEADIC CENTER
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7001
KATHRINE M DETEMPLE OTR
Occupational Therapist (Hand)
590 WAKARA WAY
SLC, UT 84108
Salt Lake County (801) 587-7001
LINDA VERNON SCHOLL MPT
Physical Therapist
590 WAKARA WAY, UNIVERSITY ORTHOPAEDIC CENTER PHYSICAL THERAPY
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7005
MARK FREDERICK RIEDERER MD
Orthopaedic Surgery
590 WAKARA WAY
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7109
HAROLD K. DUNN MD
Orthopaedic Surgery
590 WAKARA WAY
SALT LAKE CITY, UT 84108
Salt Lake County (801) 587-7100

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 Robert Tashjian's NPI number?

The NPI number for Robert Tashjian is 1659300044. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is Robert Tashjian located?

Robert Tashjian practices at 590 Wakara Way, Salt Lake City, UT 84108. The listed phone number is (801) 581-3998.

What is Robert Tashjian's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Robert Tashjian enrolled in Medicare?

Yes. Robert Tashjian 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 Robert Tashjian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Tashjian reassigns Medicare benefits to University Of Utah Adult Services (Salt Lake City, UT). 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 Robert Tashjian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Tashjian accept?

Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list Robert Tashjian 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.

Is Robert Tashjian affiliated with any hospitals?

According to CMS data, Robert Tashjian is affiliated with Holy Cross Hospital - Salt Lake, University Of Utah Hospitals And Clinics, Castleview Hospital and St Johns Medical Center.

When was this NPI record last updated?

The NPPES record for Robert Tashjian was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.