Philip Waller, M.D.
NPI 1588630578 · Rheumatology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Waller, M.D. is a Rheumatology Physician provider in Houston, TX (NPI 1588630578).
Provider details
- NPI number
- 1588630578
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- J3933 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2,156 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 | 455 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 412 | $87 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 398 | $121 |
| 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 | 324 | $16 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 189 | $67 |
| Administration of Chemotherapy Into Vein, Each Additional Hour |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 536 | 228 |
| Hydroxychloroquine Sulfate | 532 | 203 |
| Methotrexate Sodiumbrand: Methotrexate | 431 | 172 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 334 | 46 |
| Denosumabbrand: Prolia | 241 | 147 |
| Gabapentin | 207 | 78 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,130 across 55 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
- 2006-02-28
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Philip Waller's NPI number?
- Philip Waller's National Provider Identifier (NPI) is 1588630578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Waller's specialty?
- Philip Waller is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Waller located?
- Philip Waller's practice location on file with NPPES is 11003 Resource Pkwy Ste 104, Houston, TX 77089-6142.
- What is Philip Waller's phone number?
- The practice phone number listed in the NPPES registry for Philip Waller is (281) 481-8557.
- Does Philip Waller accept Medicare?
- Philip Waller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Waller's NPI active?
- Yes — Philip Waller's NPI (1588630578) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.