Mark Trezia, D.P.M
NPI 1891149613 · Foot & Ankle Surgery Podiatrist · Glendale, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Trezia, D.P.M is a Foot & Ankle Surgery Podiatrist provider in Glendale, CA (NPI 1891149613).
Provider details
- NPI number
- 1891149613
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- D.P.M
- Sex
- Male
- Sole proprietor
- Yes
- License
- E5572 (CA)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,832 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 937 | $99 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 483 | $49 |
| Removal of Noncancer Thickened Skin Growth, 2-4 Growths11056 | 248 | $90 |
| Removal of Skin of Fingernail Or Toenail11765 | 197 | $187 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 169 | $114 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 138 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 203 | 114 |
| Ammonium Lactate | 166 | 99 |
| Diclofenac Sodium | 51 | 28 |
| Collagenase Clostridium Hist.brand: Santyl | 43 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 34 | 27 |
| Omadacycline Tosylatebrand: Nuzyra | 25 | 16 |
| Mupirocin | 25 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$550 across 37 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-18
- Last updated
- 2023-02-13
- Certified
- 2023-02-13
Frequently asked questions
- What is Mark Trezia's NPI number?
- Mark Trezia's National Provider Identifier (NPI) is 1891149613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Trezia's specialty?
- Mark Trezia is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Mark Trezia located?
- Mark Trezia's practice location on file with NPPES is 1500 S Central Ave Ste 101, Glendale, CA 91204-2563.
- What is Mark Trezia's phone number?
- The practice phone number listed in the NPPES registry for Mark Trezia is (818) 638-9799.
- Does Mark Trezia accept Medicare?
- Mark Trezia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Trezia's NPI active?
- Yes — Mark Trezia's NPI (1891149613) is active in the NPPES registry as of the last update on 2023-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.