William Elder, M.D.
NPI 1407218407 · Family Medicine Physician · Healdsburg, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Elder, M.D. is a Family Medicine Physician provider in Healdsburg, CA (NPI 1407218407).
Provider details
- NPI number
- 1407218407
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1171152 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
575 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 157 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 130 | $99 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 127 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 77 | $141 |
| Administration of Influenza Virus VaccineG0008 | 32 | $35 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 266 | 82 |
| Levothyroxine Sodium | 100 | 34 |
| Lisinopril | 89 | 23 |
| Amlodipine Besylate | 83 | 26 |
| Hydrochlorothiazide | 82 | 23 |
| Losartan Potassium | 68 | 20 |
| Omeprazole | 48 |
Practice location
Mailing address
Additional practice locations (1)
- 3883 Airway Dr Ste 202Santa Rosa, CA 95403-1671Phone: (707) 303-3600
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2019-10-09
Frequently asked questions
- What is William Elder's NPI number?
- William Elder's National Provider Identifier (NPI) is 1407218407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Elder's specialty?
- William Elder is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Elder located?
- William Elder's practice location on file with NPPES is 717 Center St, Healdsburg, CA 95448.
- What is William Elder's phone number?
- The practice phone number listed in the NPPES registry for William Elder is (707) 433-7258.
- Does William Elder accept Medicare?
- William Elder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Elder's NPI active?
- Yes — William Elder's NPI (1407218407) is active in the NPPES registry as of the last update on 2019-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.