David Grossklaus, M.D.
NPI 1750355392 · Urology Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Grossklaus, M.D. is a Urology Physician provider in Mesa, AZ (NPI 1750355392).
Provider details
- NPI number
- 1750355392
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25961 (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
5,951 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 1,924 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,214 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 839 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 399 | $161 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 379 | $230 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 851 | 256 |
| Tamsulosin Hcl | 456 | 146 |
| Ciprofloxacin Hcl | 368 | 278 |
| Finasteride | 367 | 107 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 164 | 149 |
| Sildenafil Citrate | 84 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$516 across 31 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
- 2006-02-13
- Last updated
- 2013-08-08
Frequently asked questions
- What is David Grossklaus's NPI number?
- David Grossklaus's National Provider Identifier (NPI) is 1750355392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Grossklaus's specialty?
- David Grossklaus is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is David Grossklaus located?
- David Grossklaus's practice location on file with NPPES is 6007 E Baseline Rd, Mesa, AZ 85206-4801.
- What is David Grossklaus's phone number?
- The practice phone number listed in the NPPES registry for David Grossklaus is (480) 897-2727.
- Does David Grossklaus accept Medicare?
- David Grossklaus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Grossklaus's NPI active?
- Yes — David Grossklaus's NPI (1750355392) is active in the NPPES registry as of the last update on 2013-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.