Walter Chmelewski, M.D.
NPI 1275503807 · Specialist · Raleigh, NC
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Chmelewski, M.D. is a Specialist provider in Raleigh, NC (NPI 1275503807).
Provider details
- NPI number
- 1275503807
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 31789 (NC)
Specialties & taxonomies
Other Service Providers
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
3,977 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 | 934 | $118 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 325 | $116 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 310 | $25 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 298 | $8 |
| Liver Function Blood Test Panel80076 | 225 | $8 |
| Blood Creatinine Level82565 | 221 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 405 | 131 |
| Methotrexate Sodiumbrand: Methotrexate | 355 | 107 |
| Prednisone | 354 | 130 |
| Celecoxib | 353 | 117 |
| Tramadol Hcl | 336 | 84 |
| Gabapentin | 306 | 73 |
| Meloxicam | 206 | 70 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$536 across 24 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
- 2006-01-25
- Last updated
- 2012-06-21
Frequently asked questions
- What is Walter Chmelewski's NPI number?
- Walter Chmelewski's National Provider Identifier (NPI) is 1275503807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Chmelewski's specialty?
- Walter Chmelewski is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Walter Chmelewski located?
- Walter Chmelewski's practice location on file with NPPES is 3101 John Humphries Wynd, Raleigh, NC 27612-5302.
- What is Walter Chmelewski's phone number?
- The practice phone number listed in the NPPES registry for Walter Chmelewski is (919) 881-8272.
- Does Walter Chmelewski accept Medicare?
- Walter Chmelewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Chmelewski's NPI active?
- Yes — Walter Chmelewski's NPI (1275503807) is active in the NPPES registry as of the last update on 2012-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.