Ryan Mathew, M.D.
NPI 1043664899 · Rheumatology Physician · Kennesaw, GA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Mathew, M.D. is a Rheumatology Physician provider in Kennesaw, GA (NPI 1043664899).
Provider details
- NPI number
- 1043664899
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 44728 (AL)
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
10 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
3,999 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) |
|---|---|---|
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 474 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 414 | $8 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 | 405 | $4 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 405 | $5 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 394 | $115 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 703 | 220 |
| Methotrexate Sodiumbrand: Methotrexate | 401 | 74 |
| Prednisone | 280 | 78 |
| Duloxetine Hcl | 220 | 66 |
| Leflunomide | 179 | 54 |
| Meloxicam | 149 | 53 |
| Gabapentin | 136 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,343 across 170 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
- 2016-04-19
- Last updated
- 2025-10-16
- Certified
- 2025-10-16
Frequently asked questions
- What is Ryan Mathew's NPI number?
- Ryan Mathew's National Provider Identifier (NPI) is 1043664899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Mathew's specialty?
- Ryan Mathew is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Mathew located?
- Ryan Mathew's practice location on file with NPPES is 4255 Wade Green Rd Nw Ste 925, Kennesaw, GA 30144-1280.
- What is Ryan Mathew's phone number?
- The practice phone number listed in the NPPES registry for Ryan Mathew is (770) 284-3150.
- Does Ryan Mathew accept Medicare?
- Ryan Mathew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Mathew's NPI active?
- Yes — Ryan Mathew's NPI (1043664899) is active in the NPPES registry as of the last update on 2025-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.