Christopher Parker, DO
NPI 1912961384 · Rheumatology Physician · West Lake Hills, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Parker, DO is a Rheumatology Physician provider in West Lake Hills, TX (NPI 1912961384).
Provider details
- NPI number
- 1912961384
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- L6137 (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
1,672 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 | 514 | $124 |
| 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 | 376 | $16 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 181 | $61 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 135 | $125 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 123 | $27 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 374 | 104 |
| Allopurinol | 260 | 80 |
| Methotrexate Sodiumbrand: Methotrexate | 205 | 70 |
| Gabapentin | 163 | 48 |
| Methylprednisolone | 143 | 64 |
| Celecoxib | 82 | 27 |
| Tramadol Hcl | 81 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$218,942 across 335 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
- 2006-04-13
- Last updated
- 2023-03-10
- Certified
- 2023-03-10
Frequently asked questions
- What is Christopher Parker's NPI number?
- Christopher Parker's National Provider Identifier (NPI) is 1912961384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Parker's specialty?
- Christopher Parker is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Parker located?
- Christopher Parker's practice location on file with NPPES is 4701 Bee Caves Rd Ste 201, West Lake Hills, TX 78746-5366.
- What is Christopher Parker's phone number?
- The practice phone number listed in the NPPES registry for Christopher Parker is (512) 518-4992.
- Does Christopher Parker accept Medicare?
- Christopher Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Parker's NPI active?
- Yes — Christopher Parker's NPI (1912961384) is active in the NPPES registry as of the last update on 2023-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.