Doctor profile · Federal record
Dr. Jason Diaz, MD
Otolaryngology Physician (CMS: Otolaryngology) · Saint Louis, MO
- NPI 1417144353
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4921 Parkview Pl, Ste 11A
Saint Louis, MO 631101032
(314) 362-7509
fax (314) 747-9744 - Mailing address
-
660 S Euclid Ave, C B 8115
Saint Louis, MO 631101010
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- January 17, 2014
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State license (1)
- Missouri #2009016631
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417144353. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
121
Distinct HCPCS
5
Medicare allowed
$17,799
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 35 | 30 | $174 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 25 | $121 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 21 | 16 | $125 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 20 | 20 | $213 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 13 | $87 |
In context: peer comparison
Among 17 peers in Saint Louis Otolaryngology Physician, average services per provider: 86. This provider delivers 1.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
114
Patients
93
Total drug cost
$690
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Hcl | Generic | 30 | 30 | $139 |
| Levothyroxine Sodium | Generic | 27 | 12 | $275 |
| Ibuprofen | Generic | 22 | 21 | $69 |
| Gabapentin | Generic | 19 | 14 | $145 |
| Oxycodone Hcl | Generic | 16 | 16 | $61 |
Hospital affiliations
Frequently asked questions
What is Dr. Jason Diaz's medical specialty?
Dr. Jason Diaz practices Otolaryngology Physician in Saint Louis, MO.
Where does Dr. Jason Diaz practice?
Dr. Jason Diaz practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3143627509.
What is Dr. Jason Diaz's NPI?
Dr. Jason Diaz's National Provider Identifier (NPI) is 1417144353, issued by NPPES.
Does Dr. Jason Diaz accept Medicare assignment?
Yes. Dr. Jason Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Diaz 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); Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575). Source: CMS Medicare Physician & Other Practitioners file.