Donald Klug, M.D.
NPI 1811923568 · Nephrology Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Klug, M.D. is a Nephrology Physician provider in Roseville, CA (NPI 1811923568).
Provider details
- NPI number
- 1811923568
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G26922 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 27 | 12 |
| Amlodipine Besylate | 25 | 12 |
| Lisinopril | 25 | — |
| Levothyroxine Sodium | 22 | 11 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 14 | — |
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2013-05-21
Frequently asked questions
- What is Donald Klug's NPI number?
- Donald Klug's National Provider Identifier (NPI) is 1811923568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Klug's specialty?
- Donald Klug is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Klug located?
- Donald Klug's practice location on file with NPPES is 151 N Sunrise Ave, Roseville, CA 95661-2924.
- What is Donald Klug's phone number?
- The practice phone number listed in the NPPES registry for Donald Klug is (916) 789-2011.
- Does Donald Klug accept Medicare?
- Donald Klug is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Klug's NPI active?
- Yes — Donald Klug's NPI (1811923568) is active in the NPPES registry as of the last update on 2013-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.