DR. JUSTINA JENNAN TSENG MD
NPI 1346276540
Internal Medicine - Rheumatology in Redding, CA

Q: What is Justina Tseng's NPI number?

The NPI number for Justina Tseng is 1346276540. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Q: What is Justina Tseng'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 Justina Tseng was last updated on March 5, 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 June 23, 2006PECOS Enrolled

1335 BUENAVENTURA BLVD, REDDING, CA 96001(530) 287-9758(530) 276-0027 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 5, 2026, Mar 17, 2018, Nov 13, 2017 and 1 more (4 updates tracked since 2015).

On this page

About Dr. Justina Jennan Tseng Md NPPES

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

DR. JUSTINA JENNAN TSENG MD (NPI 1346276540) is an individual rheumatology provider in Redding, California, licensed in California (C54040) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Union Hospital Inc, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1346276540

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameDR. JUSTINA JENNAN TSENGCredential: MD

Location Address1335 BUENAVENTURA BLVDRedding, CA 96001-0160

Mailing Address1809 National AveSan Diego, CA 92113-2113 · (619) 906-4623

Phone(530) 287-9758

Fax(530) 276-0027

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1998

Enumeration DateJune 23, 2006

Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration

NPPES CertifiedMarch 5, 2026

✔ NPI 1346276540 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 CA · C54040

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.

1335 BUENAVENTURA BLVD, Redding, CA 96001

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1243 Elm StClaremont, NH 03743-4921 · Phone (858) 227-9187

Location 24725 Market StSan Diego, CA 92102-4715 · Phone (619) 515-2560

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Justina Jennan Tseng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719935519

PECOS Enrollment IDI20210730002823

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 Justina Tseng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rheumatology Associates PC

Same address

Rheumatology

1335 BUENAVENTURA BLVD
Redding, CA 96001

Reassigned Medicare billing, California enrollment
6 clinicians in this Medicare group

NPI 1326898594 (530) 287-9758

Family Health Centers Of San Diego, Inc

609 mi

Federally Qualified Health Center (FQHC)

3705 MISSION BLVD
San Diego, CA 92109

Reassigned Medicare billing, California enrollment
1,100 clinicians in this Medicare group

NPI 1386689701 (619) 515-2444

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 2

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.

383 services182 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.

99 services82 patients

Hospital Affiliations CMS Care Compare 3

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

Union Hospital Inc

Acute Care Hospitals · Terre Haute, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150023

Location1606 N Seventh StTerre Haute, IN 47804 · Vigo County

Emergency services Birthing friendly

Union Hospital Clinton

Critical Access Hospitals · Clinton, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number151326

Location801 S Main StClinton, IN 47842 · Vermillion County

Emergency services

Sullivan County Community Hospital

Critical Access Hospitals · Sullivan, IN

OwnershipGovernment - Local

CMS Certification Number151327

Location2200 N Section StSullivan, IN 47882 · Sullivan County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96001 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 9

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

DR. PEGAH JAHANGIRI MD

Internal Medicine (Rheumatology)

1335 BUENAVENTURA BLVD
REDDING, CA 96001

Shasta County (530) 287-9758

MRS. ALISHA NAOMI ZAUHER FNP

Nurse Practitioner (Family)

1335 BUENAVENTURA BLVD
REDDING, CA 96001

Shasta County (530) 287-9758

RHEUMATOLOGY ASSOCIATES PC

Internal Medicine (Rheumatology)

1335 BUENAVENTURA BLVD
REDDING, CA 96001

Shasta County (530) 287-9758

ROBERT M HANSEN MD

Anesthesiology (Pain Medicine)

1335 BUENAVENTURA BLVD, SUITE 100
REDDING, CA 96001

Shasta County (530) 246-3164

DR. SHISHIR A DHRUVA MD

Pain Medicine (Interventional Pain Medicine)

1335 BUENAVENTURA BLVD, SUITE 100
REDDING, CA 96001

Shasta County (530) 247-7246

ROBERT JOHN ZIOLA NP-C

Registered Nurse (Pain Management)

1335 BUENAVENTURA BLVD, SUITE 100
REDDING, CA 96001

Shasta County (530) 246-3164

THERAPEUTIC PAIN MANAGEMENT MEDICAL CLINIC

Pain Medicine (Pain Medicine)

1335 BUENAVENTURA BLVD, #100
REDDING, CA 96001

Shasta County (530) 241-0410

VEENA A. RAO M.D.

Internal Medicine (Rheumatology)

1335 BUENAVENTURA BLVD
REDDING, CA 96001

Shasta County (530) 287-9758

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 Justina Tseng's NPI number?

The NPI number for Justina Tseng is 1346276540. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Justina Tseng located?

Justina Tseng practices at 1335 Buenaventura Blvd, Redding, CA 96001. The listed phone number is (530) 287-9758.

What is Justina Tseng's specialty?

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

Is Justina Tseng enrolled in Medicare?

Yes. Justina Tseng is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Justina Tseng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justina Tseng reassigns Medicare benefits to 2 organizations: Rheumatology Associates PC (Redding, CA) and Family Health Centers Of San Diego, Inc (San Diego, CA). Each 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 Justina Tseng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Justina Tseng affiliated with any hospitals?

According to CMS data, Justina Tseng is affiliated with Union Hospital Inc, Union Hospital Clinton and Sullivan County Community Hospital.

When was this NPI record last updated?

The NPPES record for Justina Tseng was last updated on March 5, 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.