Timothy Walker, MD
NPI 1679525463 · Family Medicine Physician · Defuniak Springs, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Walker, MD is a Family Medicine Physician provider in Defuniak Springs, FL (NPI 1679525463).
Provider details
- NPI number
- 1679525463
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME51072 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
173 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 74 | $125 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 70 | $181 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 29 | $8 |
Typical Medicare-allowed amounts for these services range $8–$181 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 100 | 93 |
| Prednisone | 86 | 79 |
| Cephalexin | 57 | 54 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 55 | 46 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 54 | 51 |
| Amoxicillin | 44 | 42 |
| Meloxicam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2010-05-07
Frequently asked questions
- What is Timothy Walker's NPI number?
- Timothy Walker's National Provider Identifier (NPI) is 1679525463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Walker's specialty?
- Timothy Walker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Walker located?
- Timothy Walker's practice location on file with NPPES is 4413 US Hwy 331 South, Defuniak Springs, FL 32435.
- What is Timothy Walker's phone number?
- The practice phone number listed in the NPPES registry for Timothy Walker is (850) 951-4500.
- Does Timothy Walker accept Medicare?
- Timothy Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Walker's NPI active?
- Yes — Timothy Walker's NPI (1679525463) is active in the NPPES registry as of the last update on 2010-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.