John Semenoff, PHYSICIAN ASSISTANT
NPI 1033481239 · Physician Assistant · The Woodlands, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Semenoff, PHYSICIAN ASSISTANT is a Physician Assistant provider in The Woodlands, TX (NPI 1033481239).
Provider details
- NPI number
- 1033481239
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHYSICIAN ASSISTANT
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA08648 (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
14 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
443 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 | 126 | $75 |
| X-Ray of Wrist, Minimum of 3 Views73110 | 74 | $33 |
| X-Ray of Hand, Minimum of 3 Views73130 | 69 | $30 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $104 |
| Injection Into Tendon Or Ligament20550 | 37 | $46 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 5 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 45 | 40 |
| Ibuprofen | 35 | 30 |
| Meloxicam | 25 | 22 |
| Methylprednisolone | 20 | 19 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 14 | 12 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$61 across 1 record (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
- 2012-02-02
- Last updated
- 2023-10-28
- Certified
- 2023-10-28
Frequently asked questions
- What is John Semenoff's NPI number?
- John Semenoff's National Provider Identifier (NPI) is 1033481239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Semenoff's specialty?
- John Semenoff is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Semenoff located?
- John Semenoff's practice location on file with NPPES is 9305 Pinecroft Dr Ste 400, The Woodlands, TX 77380-3482.
- What is John Semenoff's phone number?
- The practice phone number listed in the NPPES registry for John Semenoff is (713) 498-8800.
- Does John Semenoff accept Medicare?
- John Semenoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Semenoff's NPI active?
- Yes — John Semenoff's NPI (1033481239) is active in the NPPES registry as of the last update on 2023-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.