MATTHEW TJAHJA
NPI 1467088450
Hospitalist in Knoxville, TN

Q: What is Matthew Tjahja's NPI number?

The NPI number for Matthew Tjahja is 1467088450. It was assigned to this individual provider in the NPPES registry on March 21, 2020.

Q: What is Matthew Tjahja's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Matthew Tjahja was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days 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 March 21, 2020PECOS EnrolledAccepts Medicare Assignment

1924 ALCOA HWY # U56, KNOXVILLE, TN 37920(865) 305-6446 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 28, 2026, Jul 8, 2026, Jul 24, 2023 and 1 more (4 updates tracked since 2020).

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About Matthew Tjahja NPPES

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

MATTHEW TJAHJA (NPI 1467088450) is an individual hospitalist provider in Knoxville, Tennessee, licensed in Tennessee (74198) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and maintains a secondary practice location in Temple.

NPPES Registry Identity

NPI1467088450

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameMATTHEW TJAHJA

Location Address1924 ALCOA HWY # U56Knoxville, TN 37920-1511

Mailing AddressPo Box 844658Dallas, TX 75284-4658 · (800) 994-0371 · Fax (254) 215-9722

Phone(865) 305-6446

Sole ProprietorNo

Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2020

Enumeration DateMarch 21, 2020

Last NPPES UpdateAugust 28, 20264 updates tracked since enumeration

NPPES CertifiedAugust 28, 2026

✔ NPI 1467088450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in TN · 74198

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 U2338 (TX)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1924 ALCOA HWY # U56, Knoxville, TN 37920

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Secondary Practice Location 1

Location 12401 S 31st St # MS 01161BTemple, TX 76508-0001 · Phone (254) 724-2111

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare 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

Matthew Tjahja 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 ID446681175

PECOS Enrollment IDI20250815000578

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

Medicare enrollment records show Matthew Tjahja reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Health System, Inc

Same address

Dermatology

1924 ALCOA HWY
Knoxville, TN 37920

Reassigned Medicare billing, Tennessee enrollment
832 clinicians in this Medicare group

NPI 1083332951 (865) 305-9410

Statcare Inpatient LLC

1.2 mi

Internal Medicine

2240 SUTHERLAND AVE STE 103
Knoxville, TN 37919

Reassigned Medicare billing, Tennessee enrollment
78 clinicians in this Medicare group

NPI 1477086981 (865) 909-0090

Texas Liver Consultants PA

957 mi

Hepatology

607 CAMDEN ST STE 108
San Antonio, TX 78215

Reassigned Medicare billing, Texas enrollment
43 clinicians in this Medicare group

NPI 1851638571 (210) 253-3426

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

45 services26 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

33 services24 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

27 services27 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

15 services15 patients

Hospital Affiliations CMS Care Compare 4

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

University Health System, Inc

Acute Care Hospitals · Knoxville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440015

Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County

Emergency services Birthing friendly

Fort Loudoun Medical Center

Acute Care Hospitals · Lenoir City, TN

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number440110

Location550 Fort Loudon Medical Center DrLenoir City, TN 37772 · Loudon County

Emergency services

Parkwest Medical Center

Acute Care Hospitals · Knoxville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440173

Location9352 Park West BlvdKnoxville, TN 37923 · Knox County

Emergency services Birthing friendly

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

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.

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.

CHELSEA NICOLE RYAN

Hospitalist