Donald Wolff, MD
NPI 1821002619 · Ophthalmology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Wolff, MD is a Ophthalmology Physician provider in Walnut Creek, CA (NPI 1821002619).
Provider details
- NPI number
- 1821002619
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A78984 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporine | 385 | 177 |
| Latanoprost | 381 | 168 |
| Erythromycin Basebrand: Erythromycin | 160 | 99 |
| Bimatoprost | 155 | 65 |
| Timolol Maleate | 114 | 46 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 83 | 33 |
| Brimonidine Tartrate | 76 | 34 |
| Fluorometholone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Wolff's NPI number?
- Donald Wolff's National Provider Identifier (NPI) is 1821002619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Wolff's specialty?
- Donald Wolff is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Wolff located?
- Donald Wolff's practice location on file with NPPES is 2021 Ygnacio Valley Rd, Walnut Creek, CA 94598-3391.
- What is Donald Wolff's phone number?
- The practice phone number listed in the NPPES registry for Donald Wolff is (925) 256-8464.
- Does Donald Wolff accept Medicare?
- Donald Wolff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Wolff's NPI active?
- Yes — Donald Wolff's NPI (1821002619) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.