Matthew Mesias, M.D.
NPI 1467792721 · Internal Medicine Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Mesias, M.D. is a Internal Medicine Physician provider in Stanford, CA (NPI 1467792721).
Provider details
- NPI number
- 1467792721
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
382 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 76 | $117 |
| 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 | 70 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $99 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 51 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 94 | 28 |
| Amlodipine Besylate | 87 | 25 |
| Losartan Potassium | 71 | 24 |
| Sertraline Hcl | 52 | 15 |
| Tamsulosin Hcl | 43 | 13 |
| Levothyroxine Sodium | 43 | 14 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-02-25
- Last updated
- 2018-07-17
Frequently asked questions
- What is Matthew Mesias's NPI number?
- Matthew Mesias's National Provider Identifier (NPI) is 1467792721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Mesias's specialty?
- Matthew Mesias is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Mesias located?
- Matthew Mesias's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305.
- What is Matthew Mesias's phone number?
- The practice phone number listed in the NPPES registry for Matthew Mesias is (650) 723-4000.
- Does Matthew Mesias accept Medicare?
- Matthew Mesias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Mesias's NPI active?
- Yes — Matthew Mesias's NPI (1467792721) is active in the NPPES registry as of the last update on 2018-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.