David John, PA-C
NPI 1811226970 · Physician Assistant · Houston, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David John, PA-C is a Physician Assistant provider in Houston, TX (NPI 1811226970).
Provider details
- NPI number
- 1811226970
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA05795 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
173 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 138 | $56 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $77 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 17 | $48 |
Typical Medicare-allowed amounts for these services range $48–$77 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 102 | 40 |
| Cefuroxime Axetilbrand: Cefuroxime | 53 | 47 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 18 | — |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 17 | — |
| Dutasteride | 17 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 16 | 14 |
| Finasteride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 across 6 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
- 2009-12-18
- Last updated
- 2011-12-15
Frequently asked questions
- What is David John's NPI number?
- David John's National Provider Identifier (NPI) is 1811226970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David John's specialty?
- David John is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David John located?
- David John's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.
- What is David John's phone number?
- The practice phone number listed in the NPPES registry for David John is (713) 792-6161.
- Does David John accept Medicare?
- David John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David John's NPI active?
- Yes — David John's NPI (1811226970) is active in the NPPES registry as of the last update on 2011-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.