Matthew Kerzan, M.D.
NPI 1518977073 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Kerzan, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1518977073).
Provider details
- NPI number
- 1518977073
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35682 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
990 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 448 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 263 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 189 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 40 | $166 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 28 | $125 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 36 | 34 |
| Oxycodone Hcl | 25 | 25 |
| Prednisone | 21 | 21 |
| Pantoprazole Sodium | 18 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Furosemide | 16 | 15 |
| Metoprolol Tartrate | 15 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2006-08-08
- Last updated
- 2010-03-09
Frequently asked questions
- What is Matthew Kerzan's NPI number?
- Matthew Kerzan's National Provider Identifier (NPI) is 1518977073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Kerzan's specialty?
- Matthew Kerzan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Kerzan located?
- Matthew Kerzan's practice location on file with NPPES is 4530 E Muirwood Dr, Phoenix, AZ 85048-7639.
- What is Matthew Kerzan's phone number?
- The practice phone number listed in the NPPES registry for Matthew Kerzan is (480) 961-2303.
- Does Matthew Kerzan accept Medicare?
- Matthew Kerzan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Kerzan's NPI active?
- Yes — Matthew Kerzan's NPI (1518977073) is active in the NPPES registry as of the last update on 2010-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.