Doctor profile · Federal record
Dr. Lester Mertz, M.D.
Rheumatology Physician (CMS: Rheumatology) · Scottsdale, AZ
- NPI 1083696751
- Accepts Medicare
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
13400 E Shea Blvd
Scottsdale, AZ 852595404
(480) 301-8000
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- February 17, 2026
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Arizona #16708
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083696751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
472
Distinct HCPCS
5
Medicare allowed
$71,104
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 238 | 154 | $123 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 105 | 105 | $208 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 94 | 81 | $173 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 14 | $77 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $162 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 169. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
425
Patients
139
Total drug cost
$283,160
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 162 | 70 | $2,312 |
| Hydroxychloroquine Sulfate | Generic | 38 | 15 | $2,240 |
| Methotrexate (Methotrexate Sodium) | Brand | 38 | 19 | $2,036 |
| Allopurinol | Generic | 33 | 13 | $439 |
| Azathioprine | Generic | 31 | 11 | $1,866 |
| Mycophenolate Mofetil | Generic | 31 | 11 | $12,229 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 26 | 0 | $413 |
| Colchicine | Generic | 14 | 0 | $2,358 |
| Rinvoq (Upadacitinib) | Brand | 14 | 0 | $88,837 |
| Actemra (Tocilizumab) | Brand | 13 | 0 | $74,390 |
Hospital affiliations
Frequently asked questions
What is Dr. Lester Mertz's medical specialty?
Dr. Lester Mertz practices Rheumatology Physician in Scottsdale, AZ.
Where does Dr. Lester Mertz practice?
Dr. Lester Mertz practices at 13400 E Shea Blvd, Scottsdale, AZ 852595404. Office phone: 4803018000.
What is Dr. Lester Mertz's NPI?
Dr. Lester Mertz's National Provider Identifier (NPI) is 1083696751, issued by NPPES.
Does Dr. Lester Mertz accept Medicare assignment?
Yes. Dr. Lester Mertz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lester Mertz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.