MRS. MARY KATE RIDEN PA
NPI 1861901720
Physician Assistant in Knoxville, TN

Q: What is Mary Riden's NPI number?

The NPI number for Mary Riden is 1861901720. It was assigned to this individual provider in the NPPES registry on September 22, 2017. The provider is also known as Mary Kate Haldeman.

Q: What is Mary Riden's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Riden was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 September 22, 2017PECOS EnrolledAccepts Medicare Assignment

260 FORT SANDERS WEST BLVD, KNOXVILLE, TN 37922(865) 558-9440(865) 558-4421 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 15, 2026, Nov 2, 2023, Dec 20, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Mrs. Mary Kate Riden Pa NPPES

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

MRS. MARY KATE RIDEN PA (NPI 1861901720) is an individual physician assistant in Knoxville, Tennessee, licensed in Tennessee (3425) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS, is affiliated with Physicians Regional Medical Center, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1861901720

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMRS. MARY KATE RIDENCredential: PA

Location Address260 FORT SANDERS WEST BLVDKnoxville, TN 37922-3355

Mailing Address8320 E Walker Springs Ln Ste 200Knoxville, TN 37923-3120 · (865) 769-4500 · Fax (865) 769-4501

Phone(865) 558-9440

Fax(865) 558-4421

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateSeptember 22, 2017

Last NPPES UpdateJanuary 15, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 15, 2026

✔ NPI 1861901720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in TN · 3425

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 3425 (TN)

260 FORT SANDERS WEST BLVD, Knoxville, TN 37922

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Other Names 1

Former Name (1)Mary Kate Haldeman

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, UnitedHealthcare.Insurance ›

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

Mrs. Mary Kate Riden Pa 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 ID6204195787

PECOS Enrollment IDI20180108001765

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.

Areas of Expertise CMS Part B claims 15

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, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

490 services87 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.

152 services97 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.

124 services116 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

111 services86 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

107 services102 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.

96 services91 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.

91 services84 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.

57 services55 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.

48 services42 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.

32 services32 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.

27 services27 patients

Replacement of knee joint on side of knee 27446

A knee joint replacement on one side, also known as unicompartmental knee replacement, is a surgical procedure where damaged parts of the knee joint are replaced with artificial parts. This helps to reduce pain and improve mobility. It's typically done under general anesthesia.

21 services21 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.

19 services19 patients

X-ray of both hips, 3-4 views 73522

An X-ray of both hips with 3-4 views is a safe imaging procedure. It involves capturing multiple pictures of your hip joints from different angles. This helps in diagnosing conditions like arthritis or fractures. You'll need to stay still during the process for clear images.

16 services16 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.

16 services16 patients

Hospital Affiliations CMS Care Compare

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

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN

2/5 CMS rating

OwnershipProprietary

CMS Certification Number440120

Location7565 Dannaher Way PowellPowell, TN 37849 · Knox County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37922 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

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$66.01 typical visit price

range $16.72 – $131.41

Typical copayment $16.50 (range $4.18 – $32.85)

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.

Reported Quality Measures

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

99%1,225 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

99%831 patients5/55-star benchmark: 99%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

82%429 patients4/55-star benchmark: 88%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%368 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

74%795 patients4/55-star benchmark: 97%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

49%714 patients3/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

Patients screenedForUse: 98% · 267 patients

Patients tobacco: 17% · 23 patients

80%267 patients4/55-star benchmark: 98%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

100%795 patients5/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

24%795 patients2/55-star benchmark: 89%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

27%795 patients

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.

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.

MS. SUZANNE GRACE PT

Physical Therapist

260 FORT SANDERS WEST BLVD, SUITE 110
KNOXVILLE, TN 37922

Knox County (865) 558-4491

RACHEL M PELICANO DPT

Physical Therapist

260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922

Knox County (865) 558-4491

CYNTHIA R. SHEPHERD P.T.

Physical Therapist

260 FORT SANDERS WEST BLVD, SUITE 110
KNOXVILLE, TN 37922

Knox County (865) 558-4491

ORTHOTENNESSEE, PC

Orthopaedic Surgery

260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922

Knox County (865) 558-4400

KATELYN HOLT PA

Physician Assistant

260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922

Knox County (865) 769-4500

MR. JEFFREY GROVER JARNAGIN P.A.-C.

Physician Assistant

260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922

Knox County (865) 769-4500

DR. BRUCE BRIAN FRY D.O.

Physical Medicine & Rehabilitation

260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922

Knox County (865) 558-4400

DR. ANDREW MICHAEL HOLT M.D.

Orthopaedic Surgery (Sports Medicine)

260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922

Knox County (865) 558-4400

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 Mary Riden's NPI number?

The NPI number for Mary Riden is 1861901720. It was assigned to this individual provider in the NPPES registry on September 22, 2017. The provider is also known as Mary Kate Haldeman.

Where is Mary Riden located?

Mary Riden practices at 260 Fort Sanders West Blvd, Knoxville, TN 37922. The listed phone number is (865) 558-9440.

What is Mary Riden's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Mary Riden enrolled in Medicare?

Yes. Mary Riden 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.

What insurance does Mary Riden accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Mary Riden 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 Mary Riden affiliated with any hospitals?

According to CMS data, Mary Riden is affiliated with Physicians Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Riden was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.