TAMMY EILEEN LO MMS, PA-C
NPI 1891269502
Physician Assistant in Fullerton, CA

Q: What is Tammy Lo's NPI number?

The NPI number for Tammy Lo is 1891269502. It was assigned to this individual provider in the NPPES registry on January 15, 2019.

Q: What is Tammy Lo's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Tammy Lo was last updated on November 5, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since January 15, 2019PECOS EnrolledAccepts Medicare Assignment

2141 N HARBOR BLVD STE 25000, FULLERTON, CA 92835(714) 626-8650(714) 626-8654 Get Directions Write a Review

NPPES record last updated: November 5, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 5, 2021, Oct 21, 2020, Feb 18, 2019 and 1 more (4 updates tracked since 2019).

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About Tammy Eileen Lo Mms, Pa-c NPPES

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

TAMMY EILEEN LO MMS, PA-C (NPI 1891269502) is an individual physician assistant in Fullerton, California, licensed in California (56421) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1891269502

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameTAMMY EILEEN LOCredential: MMS, PA-C

Location Address2141 N HARBOR BLVD STE 25000Fullerton, CA 92835-3830

Mailing Address2141 N Harbor Blvd Ste 25000Fullerton, CA 92835-3830 · (714) 626-8650 · Fax (714) 626-8654

Phone(714) 626-8650

Fax(714) 626-8654

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateJanuary 15, 2019

Last NPPES UpdateNovember 5, 20214 updates tracked since enumeration

NPPES CertifiedNovember 5, 2021

✔ NPI 1891269502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · 56421

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

2141 N HARBOR BLVD STE 25000, Fullerton, CA 92835

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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 and accepts Medicare assignment

Tammy Eileen Lo Mms, Pa-c 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 ID4789926957

PECOS Enrollment IDI20190508003373

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 6

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.

366 services258 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.

115 services97 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

58 services55 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

31 services31 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

25 services22 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

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 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$67.60 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$32.41 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 17

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

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