James Siefer, DO
NPI 1508846627 · Urology Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Siefer, DO is a Urology Physician provider in Chandler, AZ (NPI 1508846627).
Provider details
- NPI number
- 1508846627
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1930 (AZ)
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
20 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
597 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 | 165 | $90 |
| Automated Urinalysis Test81003 | 150 | $2 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 71 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 64 | $162 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 59 | $11 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 329 | 116 |
| Finasteride | 176 | 62 |
| Solifenacin Succinate | 38 | 21 |
| Ciprofloxacin Hcl | 37 | 29 |
| Bethanechol Chloride | 36 | 15 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 35 | 14 |
| Desmopressin Acetate | 26 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$315 across 9 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
- 2006-01-17
- Last updated
- 2012-06-07
Frequently asked questions
- What is James Siefer's NPI number?
- James Siefer's National Provider Identifier (NPI) is 1508846627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Siefer's specialty?
- James Siefer is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is James Siefer located?
- James Siefer's practice location on file with NPPES is 485 S Dobson Rd, Chandler, AZ 85224-5603.
- What is James Siefer's phone number?
- The practice phone number listed in the NPPES registry for James Siefer is (480) 963-2026.
- Does James Siefer accept Medicare?
- James Siefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Siefer's NPI active?
- Yes — James Siefer's NPI (1508846627) is active in the NPPES registry as of the last update on 2012-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.