Matthew Simpson, MD
NPI 1518055433 · Family Medicine Physician · Montgomery, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Simpson, MD is a Family Medicine Physician provider in Montgomery, TX (NPI 1518055433).
Provider details
- NPI number
- 1518055433
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L3834 (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
19 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
2,252 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 | 635 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 560 | $86 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 271 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 269 | $124 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 205 | $14 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 191 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,060 | 290 |
| Amlodipine Besylate | 712 | 209 |
| Atorvastatin Calcium | 687 | 206 |
| Rosuvastatin Calcium | 669 | 207 |
| Pantoprazole Sodium | 503 | 161 |
| Lisinopril | 442 | 130 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,155 across 122 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
- 2006-10-10
- Last updated
- 2017-04-06
Frequently asked questions
- What is Matthew Simpson's NPI number?
- Matthew Simpson's National Provider Identifier (NPI) is 1518055433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Simpson's specialty?
- Matthew Simpson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Simpson located?
- Matthew Simpson's practice location on file with NPPES is 21105 Eva St, Montgomery, TX 77356-1706.
- What is Matthew Simpson's phone number?
- The practice phone number listed in the NPPES registry for Matthew Simpson is (936) 597-8585.
- Does Matthew Simpson accept Medicare?
- Matthew Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Simpson's NPI active?
- Yes — Matthew Simpson's NPI (1518055433) is active in the NPPES registry as of the last update on 2017-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.