THOMAS J KLEIN MD
NPI 1477575298
Orthopaedic Surgery in Reston, VA

Q: What is Thomas Klein's NPI number?

The NPI number for Thomas Klein is 1477575298. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Q: What is Thomas Klein's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Klein was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment

76.36/100

CMS Quality Rating

1850 TOWN CENTER PKWY, SUITE 400, RESTON, VA 20190(703) 689-0300(703) 787-9664 Get Directions Write a Review

NPPES record last updated: October 27, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 27, 2020, Mar 2, 2017 (2 updates tracked since 2017).

On this page

About Thomas J Klein Md NPPES

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

THOMAS J KLEIN MD (NPI 1477575298) is an individual orthopaedic surgery provider in Reston, Virginia, licensed in Virginia (0101042944) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of Georgetown University School Of Medicine (1984).

NPPES Registry Identity

NPI1477575298

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameTHOMAS J KLEINCredential: MD

Location Address1850 TOWN CENTER PKWY, SUITE 400Reston, VA 20190-3219

Mailing AddressPo Box 75868Baltimore, MD 21275-5868 · (703) 383-6469

Phone(703) 689-0300

Fax(703) 787-9664

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1984

Enumeration DateJuly 24, 2006

Last NPPES UpdateOctober 27, 20202 updates tracked since enumeration

NPPES CertifiedOctober 27, 2020

✔ NPI 1477575298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in VA · 0101042944

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.

1850 TOWN CENTER PKWY, Reston, VA 20190

Open in Google Maps ↗

Other Identifiers 1

Medicaid6402046VA

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

Thomas J Klein 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 ID8123007168

PECOS Enrollment IDI20100804000133

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 Thomas Klein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthovirginia, Inc

Same address

Multi-Specialty

1850 TOWN CENTER PKWY, SUITE 303
Reston, VA 20190

Reassigned Medicare billing, District of Columbia enrollment
193 clinicians in this Medicare group

NPI 1205185766 (703) 810-5202

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 16

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

4,736 services391 patients

Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg J7318

Hyaluronan or derivative, Durolane, is a treatment injected directly into the joint to relieve pain and improve mobility. It's often used for arthritis in the knee. The substance works by supplementing your body's natural joint fluid to help lubricate and cushion the joint.

2,100 services23 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

547 services406 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

518 services393 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.

480 services365 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.

478 services383 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

186 services152 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

162 services139 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

144 services144 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.

95 services95 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

68 services66 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

32 services30 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

29 services28 patients

Removal of knee cartilage using an endoscope 29881

This procedure, known as arthroscopic knee surgery, involves using a small camera (endoscope) to view the inside of your knee. Small instruments are used to remove damaged cartilage. This can help alleviate pain and improve knee function.

14 services14 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

14 services14 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

13 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490043

Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County

Emergency services Birthing friendly

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490050

Location1701 North George Mason DriveArlington, VA 22205 · Arlington County

Emergency services Birthing friendly

Reston Hospital Center

Acute Care Hospitals · Reston, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490107

Location1850 Town Center ParkwayReston, VA 20190 · Fairfax County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20190 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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.

76.36/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

67.16

Promoting Interoperability

100

Improvement Activities

Cost

54.07

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)

Lower rates are better for this measure.

0.02%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Knee orthosis, elastic with joints, prefabricated, off-the-shelf L1812

DME-Orthotic Devices · category DF011N

1 supplier17 claims18 services$39.40 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.

MEDSTAR MEDICAL GROUP II LLC

General Practice

1850 TOWN CENTER PKWY
RESTON, VA 20190

Fairfax County (202) 877-7685

DR. DAVID E KARDON MD

Pathology (Anatomic Pathology & Clinical Pathology)

1850 TOWN CENTER PKWY
RESTON, VA 20190

Fairfax County (703) 689-9093

DR. ANDREW HARRIS GORDON M.D., PH.D.

Physical Medicine & Rehabilitation

1850 TOWN CENTER PKWY
RESTON, VA 20190

Fairfax County (703) 949-9660

BERNARD JAMES GAMIAO

Occupational Therapist

1850 TOWN CENTER PKWY
RESTON, VA 20190

Fairfax County (703) 689-9000

SEON H LEE MD

Emergency Medicine

1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190

Fairfax County (703) 689-9037

MRS. DIANE D ZHAO MD

Physical Medicine & Rehabilitation

1850 TOWN CENTER PKWY
RESTON, VA 20190

Fairfax County (703) 689-9000

DR. JAMES L TORRENS MD

Anesthesiology

1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190

Fairfax County (703) 471-0919

JOHN M YOUNG CRNA

Nurse Anesthetist, Certified Registered

1850 TOWN CENTER PKWY
RESTON, VA 20190

Fairfax County (703) 471-0919

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 Thomas Klein's NPI number?

The NPI number for Thomas Klein is 1477575298. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Thomas Klein located?

Thomas Klein practices at 1850 Town Center Pkwy Suite 400, Reston, VA 20190. The listed phone number is (703) 689-0300.

What is Thomas Klein's specialty?

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

Is Thomas Klein enrolled in Medicare?

Yes. Thomas Klein 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 Thomas Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Klein reassigns Medicare benefits to Orthovirginia, Inc (Reston, VA). 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 Thomas Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Klein affiliated with any hospitals?

According to CMS data, Thomas Klein is affiliated with Inova Loudoun Hospital, Virginia Hospital Center and Reston Hospital Center.

When was this NPI record last updated?

The NPPES record for Thomas Klein was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.