James Giannakakis, PA-C
NPI 1851766844 · Physician Assistant · Decatur, GA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Giannakakis, PA-C is a Physician Assistant provider in Decatur, GA (NPI 1851766844).
Provider details
- NPI number
- 1851766844
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
122 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 55 | $102 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 50 | $147 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 17 | $7 |
Typical Medicare-allowed amounts for these services range $7–$147 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 106 | 103 |
| Methocarbamol | 82 | 82 |
| Ibuprofen | 42 | 42 |
| Tramadol Hcl | 40 | 40 |
| Doxycycline Hyclate | 25 | 25 |
| Cefadroxil | 24 | 23 |
| Mupirocin | 22 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-12-02
- Last updated
- 2024-09-20
- Certified
- 2024-09-20
Frequently asked questions
- What is James Giannakakis's NPI number?
- James Giannakakis's National Provider Identifier (NPI) is 1851766844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Giannakakis's specialty?
- James Giannakakis is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Giannakakis located?
- James Giannakakis's practice location on file with NPPES is 2701 N Decatur Rd, Decatur, GA 30033-5918.
- What is James Giannakakis's phone number?
- The practice phone number listed in the NPPES registry for James Giannakakis is (404) 501-1000.
- Does James Giannakakis accept Medicare?
- James Giannakakis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Giannakakis's NPI active?
- Yes — James Giannakakis's NPI (1851766844) is active in the NPPES registry as of the last update on 2024-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.