David Kollhoff, MD
NPI 1316100563 · Urology Physician · Woodland, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Kollhoff, MD is a Urology Physician provider in Woodland, CA (NPI 1316100563).
Provider details
- NPI number
- 1316100563
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125052092 (IL)
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 tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 101 | 46 |
| Tramadol Hcl | 69 | 64 |
| Trospium Chloride | 69 | 60 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 54 | 48 |
| Ciprofloxacin Hcl | 45 | 41 |
| Tamsulosin Hcl | 33 | 16 |
| Betamethasone Valerate | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2021-12-15
Frequently asked questions
- What is David Kollhoff's NPI number?
- David Kollhoff's National Provider Identifier (NPI) is 1316100563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Kollhoff's specialty?
- David Kollhoff is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is David Kollhoff located?
- David Kollhoff's practice location on file with NPPES is 1325 Cottonwood St, Woodland, CA 95695-5131.
- What is David Kollhoff's phone number?
- The practice phone number listed in the NPPES registry for David Kollhoff is (312) 420-5060.
- Does David Kollhoff accept Medicare?
- David Kollhoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Kollhoff's NPI active?
- Yes — David Kollhoff's NPI (1316100563) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.