Maria Walker, MD
NPI 1548213366 · Family Medicine Physician · Decatur, GA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Walker, MD is a Family Medicine Physician provider in Decatur, GA (NPI 1548213366).
Provider details
- NPI number
- 1548213366
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 025306 (GA)
Specialties & taxonomies
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
539 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 331 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $90 |
| Urinalysis, Manual Test81002 | 31 | $3 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 27 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 24 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 517 | 175 |
| Hydrochlorothiazide | 250 | 92 |
| Alprazolam | 206 | 34 |
| Ibuprofen | 203 | 87 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 201 | 70 |
| Metformin Hcl | 167 | 68 |
| Atorvastatin Calcium | 152 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$267 across 13 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
- 2006-05-19
- Last updated
- 2022-12-29
- Certified
- 2022-12-29
Frequently asked questions
- What is Maria Walker's NPI number?
- Maria Walker's National Provider Identifier (NPI) is 1548213366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Walker's specialty?
- Maria Walker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Walker located?
- Maria Walker's practice location on file with NPPES is 5071 Snapfinger Woods Dr, Decatur, GA 30035-4019.
- What is Maria Walker's phone number?
- The practice phone number listed in the NPPES registry for Maria Walker is (770) 981-0600.
- Does Maria Walker accept Medicare?
- Maria Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Walker's NPI active?
- Yes — Maria Walker's NPI (1548213366) is active in the NPPES registry as of the last update on 2022-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.