Doctor profile · Federal record
Dr. Matthew Mesias, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Stanford, CA
- NPI 1467792721
- Accepts Medicare
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 94305
(650) 723-4000
Credentials & registration
- NPI registered
- February 2013 — 13 yrs on file
- Profile last updated
- July 17, 2018
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A155637
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467792721. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
404
Distinct HCPCS
9
Medicare allowed
$41,265
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 147 | 74 | $107 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 60 | $98 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 46 | 46 | $69 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 28 | 20 | $89 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 27 | 20 | $135 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 18 | 18 | $93 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $147 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $150 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 16 | 15 | $55 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 4.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
744
Patients
148
Total drug cost
$53,784
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 109 | 27 | $1,407 |
| Atorvastatin Calcium | Generic | 99 | 24 | $2,403 |
| Sertraline Hcl | Generic | 67 | 17 | $1,527 |
| Tamsulosin Hcl | Generic | 55 | 14 | $1,951 |
| Losartan Potassium | Generic | 50 | 16 | $798 |
| Levothyroxine Sodium | Generic | 49 | 14 | $852 |
| Metformin Hcl | Generic | 49 | 12 | $1,023 |
| Donepezil Hcl | Generic | 42 | 12 | $855 |
| Mirtazapine | Generic | 40 | 0 | $1,683 |
| Lisinopril | Generic | 35 | 0 | $752 |
Hospital affiliations
Frequently asked questions
What is Dr. Matthew Mesias's medical specialty?
Dr. Matthew Mesias practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Matthew Mesias practice?
Dr. Matthew Mesias practices at 300 Pasteur Dr, Stanford, CA 94305. Office phone: 6507234000.
What is Dr. Matthew Mesias's NPI?
Dr. Matthew Mesias's National Provider Identifier (NPI) is 1467792721, issued by NPPES.
Does Dr. Matthew Mesias accept Medicare assignment?
Yes. Dr. Matthew Mesias accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Mesias commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.