1. Home
  2. Directory
  3. California
  4. Torrance
  5. Internal Medicine
  6. NPI Profile

TIMOTHY JOHN HATLEN
NPI 1245673375
Internal Medicine in Torrance, CA

Active since April 08, 2013PECOS EnrolledAccepts Medicare Assignment
1000 W CARSON ST, TORRANCE, CA 90502(310) 222-3813 Get Directions Write a Review

NPPES record last updated: January 28, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 28, 2020, Mar 17, 2018, Jun 27, 2017 (3 updates tracked since 2017).

About Timothy John Hatlen NPPES

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

TIMOTHY JOHN HATLEN (NPI 1245673375) is an individual internal medicine provider in Torrance, California, licensed in California (A142824) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Washington School Of Medicine (2013).

NPPES Registry Identity

NPI1245673375
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTIMOTHY JOHN HATLEN
Location Address1000 W CARSON STTorrance, CA 90502-2004
Mailing Address1333 Chestnut AveLong Beach, CA 90813-2944 · (562) 753-2302
Phone(310) 222-3813
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2013
Enumeration DateApril 8, 2013
Last NPPES UpdateJanuary 28, 20203 updates tracked since enumeration
✔ NPI 1245673375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A142824✔ Licensed in WA · MD60634682
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 W CARSON ST, Torrance, CA 90502
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1101 W 8th AveSpokane, WA 99204-2307 · Phone (509) 474-3022
Location 21550 N 115th StSeattle, WA 98133-8401 · Phone (206) 364-0500

Other Identifiers 1

MedicaidA142824CA

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

Timothy John Hatlen 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 ID2769774488
PECOS Enrollment IDI20170509002656
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

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.
18 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90502 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

MISS BRITTANY IRVINE M.A.
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
DEPAREMENT OF MANTAL HEALTH
Case Management
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1648
DINA M MEZA
Nurse Practitioner (Family)
1000 W CARSON ST, HEAD AND NECK BOX 6
TORRANCE, CA 90502
Los Angeles County (310) 222-2741
MARIA GUADALUPE VALADEZ
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (559) 789-1327
ESTEBAN COTA
Specialist
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
MS. DAWN MARIE TLUSTY RN
Registered Nurse (Infusion Therapy)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1906
DR. NICOLE MOORE MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
KENTON YUJI SAKURAI
Psychiatry & Neurology (Psychiatry)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (424) 306-4000

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 Timothy Hatlen's NPI number?

The NPI number for Timothy Hatlen is 1245673375. It was assigned to this individual provider in the NPPES registry on April 8, 2013.

Where is Timothy Hatlen located?

Timothy Hatlen practices at 1000 W Carson St, Torrance, CA 90502. The listed phone number is (310) 222-3813.

What is Timothy Hatlen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Timothy Hatlen enrolled in Medicare?

Yes. Timothy Hatlen 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.

When was this NPI record last updated?

The NPPES record for Timothy Hatlen was last updated on January 28, 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.