Daniel Callahan, PA-C
NPI 1265998439 · Physician Assistant · Peachtree City, GA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Callahan, PA-C is a Physician Assistant provider in Peachtree City, GA (NPI 1265998439).
Provider details
- NPI number
- 1265998439
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PENDING (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
141 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 | 55 | $107 |
| 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 | 43 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $109 |
Typical Medicare-allowed amounts for these services range $14–$109 (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 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 122 | 48 |
| Atorvastatin Calcium | 106 | 41 |
| Rosuvastatin Calcium | 97 | 39 |
| Prednisone | 60 | 39 |
| Tirzepatidebrand: Mounjaro | 57 | 12 |
| Dapagliflozin Propanediolbrand: Farxiga | 52 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,489 across 89 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
Additional practice locations (1)
- 2500 Hospital Blvd Ste 490Roswell, GA 30076-4975Phone: (470) 321-7500Fax: (678) 355-4474
Registry dates
- Enumerated
- 2019-02-13
- Last updated
- 2019-09-25
Frequently asked questions
- What is Daniel Callahan's NPI number?
- Daniel Callahan's National Provider Identifier (NPI) is 1265998439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Callahan's specialty?
- Daniel Callahan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Daniel Callahan located?
- Daniel Callahan's practice location on file with NPPES is 100 Genevieve Ct Ste a, Peachtree City, GA 30269.
- What is Daniel Callahan's phone number?
- The practice phone number listed in the NPPES registry for Daniel Callahan is (770) 486-1818.
- Does Daniel Callahan accept Medicare?
- Daniel Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Callahan's NPI active?
- Yes — Daniel Callahan's NPI (1265998439) is active in the NPPES registry as of the last update on 2019-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.