Michael Holzer, MD
NPI 1619177581 · Urology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Holzer, MD is a Urology Physician provider in Oklahoma City, OK (NPI 1619177581).
Provider details
- NPI number
- 1619177581
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28777 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
3,390 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) |
|---|---|---|
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 1,006 | $3 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 720 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 632 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 343 | $118 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 104 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 555 | 186 |
| Mirabegronbrand: Myrbetriq | 365 | 110 |
| Finasteride | 190 | 59 |
| Silodosin | 188 | 54 |
| Tramadol Hcl | 125 | 106 |
| Cephalexin | 107 | 76 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 103 | 82 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,151 across 32 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
- 2007-07-19
- Last updated
- 2024-11-08
Frequently asked questions
- What is Michael Holzer's NPI number?
- Michael Holzer's National Provider Identifier (NPI) is 1619177581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Holzer's specialty?
- Michael Holzer is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Holzer located?
- Michael Holzer's practice location on file with NPPES is 5401 N. Portland Ave., Oklahoma City, OK 73112.
- What is Michael Holzer's phone number?
- The practice phone number listed in the NPPES registry for Michael Holzer is (405) 943-1137.
- Does Michael Holzer accept Medicare?
- Michael Holzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Holzer's NPI active?
- Yes — Michael Holzer's NPI (1619177581) is active in the NPPES registry as of the last update on 2024-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.