Douglas Alder, MD
NPI 1205914926 · Internal Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Alder, MD is a Internal Medicine Physician provider in Sacramento, CA (NPI 1205914926).
Provider details
- NPI number
- 1205914926
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A73847 (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 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 660 | 210 |
| Amlodipine Besylate | 396 | 123 |
| Levothyroxine Sodium | 363 | 106 |
| Losartan Potassium | 280 | 94 |
| Lisinopril | 225 | 75 |
| Tamsulosin Hcl | 206 | 69 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-08
Frequently asked questions
- What is Douglas Alder's NPI number?
- Douglas Alder's National Provider Identifier (NPI) is 1205914926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Alder's specialty?
- Douglas Alder is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Alder located?
- Douglas Alder's practice location on file with NPPES is 2025 Morse Ave, Sacramento, CA 95825-2115.
- What is Douglas Alder's phone number?
- The practice phone number listed in the NPPES registry for Douglas Alder is (916) 973-5000.
- Does Douglas Alder accept Medicare?
- Douglas Alder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Alder's NPI active?
- Yes — Douglas Alder's NPI (1205914926) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.