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DR. ANTHONY THONG PHAN M.D.
NPI 1124207006
Internal Medicine in Simi Valley, CA

Active since October 29, 2007PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0989497 · Waiver
1189 SWALLOW LN STE 110, SIMI VALLEY, CA 93065(805) 526-3213(805) 583-5929 Get Directions Write a Review

NPPES record last updated: August 21, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 21, 2019, Aug 8, 2019 (2 updates tracked since 2019).

About Dr. Anthony Thong Phan M.d. NPPES

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

DR. ANTHONY THONG PHAN M.D. (NPI 1124207006) is an individual internal medicine provider in Simi Valley, California, licensed in California (G83470) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through July 26, 2027, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1993).

NPPES Registry Identity

NPI1124207006
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANTHONY THONG PHANCredential: M.D.
Location Address1189 SWALLOW LN STE 110Simi Valley, CA 93065-3157
Mailing Address1189 Swallow Ln Ste 110Simi Valley, CA 93065-3157 · (805) 526-3213 · Fax (805) 583-5929
Phone(805) 526-3213
Fax(805) 583-5929
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 1993
Enumeration DateOctober 29, 2007
Last NPPES UpdateAugust 21, 20192 updates tracked since enumeration
✔ NPI 1124207006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G83470
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.

1189 SWALLOW LN STE 110, Simi Valley, CA 93065
Open in Google Maps ↗

Other Identifiers 2

OtherO5D0989497CA · Clia
Other00G834700CA · Medical Provider Number

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

Dr. Anthony Thong Phan M.d. 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 ID6103842471
PECOS Enrollment IDI20051018000391
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0989497

Anthony T Phan, MD Inc · Simi Valley, CA
Active · expires Jul 26, 2027
CLIA Number05D0989497
Laboratory TypePhysician Office
Certificate Effective DateJuly 27, 2025
Certificate Expiration DateJuly 26, 2027
Laboratory DirectorAnthony T. Phan
Laboratory Phone(805) 526-3213
Laboratory LocationAnthony T Phan, MD Inc1189 Swallow Lane #110, Simi Valley, CA 93065
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 9

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.
834 services139 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
569 services102 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
285 services21 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
140 services61 patients
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420
This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.
122 services11 patients
Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
103 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93065 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims341 services$2.29 avg. paid by Medicare
Enteral formula, nutritionally complete, hydrolyzed proteins (amino acids and peptide chain), includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4153
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims5,940 services$1.07 avg. paid by Medicare
Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$37.89 avg. paid by Medicare
Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626
DME-Drugs Administered Through DME · category DG000N
2 suppliers14 claims810 services$0.84 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
2 suppliers14 claims14 services$24.31 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

ANTHONY THONG PHAN MD INC
Internal Medicine (Geriatric Medicine)
1189 SWALLOW LN STE 110
SIMI VALLEY, CA 93065
Ventura County (805) 526-3213

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 Anthony Phan's NPI number?

The NPI number for Anthony Phan is 1124207006. It was assigned to this individual provider in the NPPES registry on October 29, 2007.

Where is Anthony Phan located?

Anthony Phan practices at 1189 Swallow Ln Ste 110, Simi Valley, CA 93065. The listed phone number is (805) 526-3213.

What is Anthony Phan's specialty?

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

Is Anthony Phan enrolled in Medicare?

Yes. Anthony Phan 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.

Does Anthony Phan hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0989497) is associated with this NPI, valid through July 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Anthony Phan was last updated on August 21, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.