Gay Walker, M.D.
NPI 1043587009 · Internal Medicine Physician · Encinitas, CA
Gay Walker, M.D. is a Internal Medicine Physician provider in Encinitas, CA (NPI 1043587009).
Provider details
- NPI number
- 1043587009
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G63605 (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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,127 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) |
|---|---|---|
| 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 | 594 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 463 | $191 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 340 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 203 | $139 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 140 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 494 | 160 |
| Levothyroxine Sodium | 435 | 129 |
| Rosuvastatin Calcium | 330 | 101 |
| Amlodipine Besylate | 280 | 85 |
| Losartan Potassium | 237 | 79 |
| Alendronate Sodium | 175 | 54 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-11-18
- Last updated
- 2017-02-13
Frequently asked questions
- What is Gay Walker's NPI number?
- Gay Walker's National Provider Identifier (NPI) is 1043587009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gay Walker's specialty?
- Gay Walker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gay Walker located?
- Gay Walker's practice location on file with NPPES is 477 N El Camino Real, Encinitas, CA 92024-1328.
- What is Gay Walker's phone number?
- The practice phone number listed in the NPPES registry for Gay Walker is (760) 479-3900.
- Is Gay Walker's NPI active?
- Yes — Gay Walker's NPI (1043587009) is active in the NPPES registry as of the last update on 2017-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.