John Baker, M.D.
NPI 1598922130 · Neurology Physician · Sumter, SC
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Baker, M.D. is a Neurology Physician provider in Sumter, SC (NPI 1598922130).
Provider details
- NPI number
- 1598922130
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,208 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) |
|---|---|---|
| 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 | 1,344 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 881 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 499 | $113 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 288 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 188 | $8 |
| Liver Function Blood Test Panel |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 427 | 131 |
| Donepezil Hcl | 385 | 131 |
| Gabapentin | 282 | 85 |
| Levetiracetam | 269 | 62 |
| Memantine Hcl | 248 | 76 |
| Primidone | 240 | 72 |
| Clonazepam | 194 | 34 |
| Pregabalin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$128,549 across 441 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
- 2008-05-21
- Last updated
- 2016-06-15
Frequently asked questions
- What is John Baker's NPI number?
- John Baker's National Provider Identifier (NPI) is 1598922130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Baker's specialty?
- John Baker is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John Baker located?
- John Baker's practice location on file with NPPES is 385 W Wesmark Blvd, Sumter, SC 29150-1987.
- What is John Baker's phone number?
- The practice phone number listed in the NPPES registry for John Baker is (803) 774-8240.
- Does John Baker accept Medicare?
- John Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Baker's NPI active?
- Yes — John Baker's NPI (1598922130) is active in the NPPES registry as of the last update on 2016-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.