DR. MARK TREZIA D.P.M
NPI 1891149613
Podiatrist - Foot & Ankle Surgery in Glendale, CA

Q: What is Mark Trezia's NPI number?

The NPI number for Mark Trezia is 1891149613. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Q: What is Mark Trezia's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Q: When was this NPI record last updated?

The NPPES record for Mark Trezia was last updated on February 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 18, 2016PECOS EnrolledAccepts Medicare Assignment

93.64/100

CMS Quality Rating

1500 S CENTRAL AVE STE 101, GLENDALE, CA 91204(818) 638-9799(818) 638-9697 Get Directions Write a Review

NPPES record last updated: February 13, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 13, 2023, Sep 11, 2019, Aug 13, 2019 (3 updates tracked since 2019).

On this page

About Dr. Mark Trezia D.p.m NPPES

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

DR. MARK TREZIA D.P.M (NPI 1891149613) is an individual foot & ankle surgery provider in Glendale, California, licensed in California (E5572) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1891149613

Entity TypeIndividualMale

Primary Taxonomy213ES0103X

Provider Legal NameDR. MARK TREZIACredential: D.P.M

Location Address1500 S CENTRAL AVE STE 101Glendale, CA 91204-2563

Mailing Address1500 S Central Ave Ste 101Glendale, CA 91204-2563 · (818) 638-9799 · Fax (818) 638-9697

Phone(818) 638-9799

Fax(818) 638-9697

Sole ProprietorYes

Medical School CMSOtherGraduated 2010

Enumeration DateApril 18, 2016

Last NPPES UpdateFebruary 13, 20233 updates tracked since enumeration

NPPES CertifiedFebruary 13, 2023

✔ NPI 1891149613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers

Taxonomy Code213ES0103X

License✔ Licensed in CA · E5572

1500 S CENTRAL AVE STE 101, Glendale, CA 91204

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Dr. Mark Trezia D.p.m 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 ID3274865308

PECOS Enrollment IDI20191023000246

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 Reassignment

Medicare enrollment records show Mark Trezia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western Podmed Clinic Inc A Podiatric Corporation

Same address

Foot & Ankle Surgery

1500 S CENTRAL AVE, 101
Glendale, CA 91204

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

NPI 1184875270 (818) 243-0400

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 21

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 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.

937 services282 patients

Removal of fingernails or toenails, 6 or more nails 11721

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

483 services243 patients

Removal of noncancer thickened skin growth, 2-4 growths 11056

This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.

248 services142 patients

Removal of skin of fingernail or toenail 11765

This procedure, called a nail avulsion, involves the removal of a fingernail or toenail's skin, usually due to an infection, injury, or abnormal growth. It's performed under local anesthesia to minimize discomfort, and promotes healthy nail regrowth and healing.

197 services155 patients

Removal of tissue from wound, 20.0 sq cm or less 97597

This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.

169 services109 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

138 services138 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

125 services32 patients

Strapping, unna boot 29580

An Unna Boot is a special bandage, soaked in a gel, wrapped around your lower leg and foot. It helps heal leg sores, improve circulation, and reduce swelling. The boot hardens and provides compression, promoting healing and comfort.

106 services35 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

75 services45 patients

Simple or single drainage of skin abscess 10060

A simple or single drainage of skin abscess is a procedure to remove pus from a skin infection. A small cut is made on the abscess, the pus is drained out, and the area is cleaned. This helps to reduce pain, speed up recovery, and prevent the spread of infection.

71 services56 patients

Placement of strapping to ankle or foot 29540

Strapping to the ankle or foot is a procedure involving the application of tape or a similar material to provide support and stability. It can help manage injuries, reduce pain, and prevent further harm. The process is non-invasive and typically performed by a trained professional.

49 services32 patients

Simple separation of fingernail or toenail from nail bed, first nail 11730

This procedure involves the gentle removal of the first nail from its bed, often due to injury or infection. It's performed under local anesthesia to minimize discomfort. The nail will gradually regrow over time.

43 services41 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.

34 services28 patients

Removal of fingernails or toenails, 1-5 nails 11720

This procedure involves the careful removal of 1-5 nails from fingers or toes. It's typically done to treat conditions like ingrown nails, fungal infections, or damaged nails. Local anesthesia is used for comfort, and the area heals over time with appropriate care.

27 services23 patients

Placement of strapping to toes 29550

Strapping toes is a procedure to stabilize or position the toes correctly. It's often used for conditions like hammertoes, fractures, or sprains. A special tape is applied to your toes to provide support, reduce pain, and promote healing.

23 services13 patients

Removal of noncancer thickened skin growth, 1 growth 11055

This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.

22 services18 patients

Removal of noncancer thickened skin growth, more than 4 growths 11057

This procedure involves the removal of more than four noncancerous, thickened skin growths. It's a simple process where a healthcare professional uses a specialized tool to carefully remove these growths, promoting healthier skin.

22 services19 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

19 services19 patients

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.

16 services12 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

15 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.64/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

80.09

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Advance Care Plan

94%418 patients4/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

100%98 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

5%2,520 patients1/55-star benchmark: 100%

e-Prescribing

97%412 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

92%394 patients4/55-star benchmark: 100%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

25%877 patients2/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

1%1,879 patients1/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 92% · 596 patients

90%596 patients

Provide Patients Electronic Access to Their Health Information

8%818 patients1/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

81%209 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 426 patients

Patients totalRate: 0% · 426 patients

0%426 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

TREZIA DPM INC

Podiatrist (Foot & Ankle Surgery)

1500 S CENTRAL AVE STE 101
GLENDALE, CA 91204

Los Angeles County (818) 638-9799

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 Mark Trezia's NPI number?

The NPI number for Mark Trezia is 1891149613. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Where is Mark Trezia located?

Mark Trezia practices at 1500 S Central Ave Ste 101, Glendale, CA 91204. The listed phone number is (818) 638-9799.

What is Mark Trezia's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Mark Trezia enrolled in Medicare?

Yes. Mark Trezia 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.

Which organization bills Medicare for Mark Trezia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Trezia reassigns Medicare benefits to Western Podmed Clinic Inc A Podiatric Corporation (Glendale, CA). The 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 Mark Trezia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Trezia was last updated on February 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.