PATRICK JAMES MASTIN MD
NPI 1811251655
Internal Medicine - Rheumatology in Knoxville, TN

Q: What is Patrick Mastin's NPI number?

The NPI number for Patrick Mastin is 1811251655. It was assigned to this individual provider in the NPPES registry on June 26, 2012.

Q: What is Patrick Mastin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Patrick Mastin was last updated on July 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 June 26, 2012PECOS Enrolled

8975 EXECUTIVE PARK DR STE 200, KNOXVILLE, TN 37923(865) 691-4100(833) 908-2116 Get Directions Write a Review

NPPES record last updated: July 20, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 20, 2021, Feb 10, 2021, Feb 9, 2016 (3 updates tracked since 2016).

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About Patrick James Mastin Md NPPES

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

PATRICK JAMES MASTIN MD (NPI 1811251655) is an individual rheumatology provider in Knoxville, Tennessee, licensed in Tennessee (51030) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811251655

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NamePATRICK JAMES MASTINCredential: MD

Location Address8975 EXECUTIVE PARK DR STE 200Knoxville, TN 37923-4727

Mailing Address1275 Dick Lonas Rd Unit 101Knoxville, TN 37909-1383 · (865) 584-4747

Phone(865) 691-4100

Fax(833) 908-2116

Sole ProprietorNo

Enumeration DateJune 26, 2012

Last NPPES UpdateJuly 20, 20213 updates tracked since enumeration

NPPES CertifiedJuly 20, 2021

✔ NPI 1811251655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in TN · 51030

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

8975 EXECUTIVE PARK DR STE 200, Knoxville, TN 37923

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Patrick James Mastin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37923 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.

Other Providers at the Same Location NPPES 5

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

TIFFANY A STEELMAN FNP

Nurse Practitioner