Doctor profile · Federal record
Dr. Ronald Glas, MD
Family Medicine Physician (CMS: Family Practice) · Naperville, IL
- NPI 1720075484
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1247 Rickert Dr, Ste 201
Naperville, IL 605401008
(630) 357-7979
fax (630) 357-1047
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- February 23, 2021
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036098149
- Medicaid
- IL #036098149 1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720075484. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,677
Distinct HCPCS
10
Medicare allowed
$182,359
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 652 | 314 | $133 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 253 | 253 | $136 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 239 | 35 | $66 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 115 | 17 | $50 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 100 | 81 | $95 | |
G0008 |
Administration of influenza virus vaccine | 78 | 78 | $30 | |
90662 |
Influenza vaccine split virus, preservative free | 72 | 72 | $72 | |
83036 |
Hemoglobin a1c level | 42 | 32 | $10 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 24 | $189 | |
G0009 |
Administration of pneumococcal vaccine | 25 | 25 | $29 |
In context: peer comparison
Among 35 peers in Naperville Family Medicine Physician, average services per provider: 67. This provider delivers 25× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,931
Patients
806
Total drug cost
$38,646
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 598 | 160 | $8,780 |
| Levothyroxine Sodium | Generic | 274 | 73 | $4,532 |
| Losartan Potassium | Generic | 260 | 69 | $3,362 |
| Metoprolol Succinate | Generic | 201 | 58 | $3,164 |
| Rosuvastatin Calcium | Generic | 183 | 57 | $2,278 |
| Lisinopril | Generic | 180 | 50 | $1,675 |
| Simvastatin | Generic | 177 | 45 | $1,788 |
| Alprazolam | Generic | 155 | 39 | $719 |
| Amlodipine Besylate | Generic | 155 | 49 | $1,354 |
| Tamsulosin Hcl | Generic | 134 | 40 | $2,564 |
Hospital affiliations
Frequently asked questions
What is Dr. Ronald Glas's medical specialty?
Dr. Ronald Glas practices Family Medicine Physician in Naperville, IL.
Where does Dr. Ronald Glas practice?
Dr. Ronald Glas practices at 1247 Rickert Dr, Naperville, IL 605401008. Office phone: 6303577979.
What is Dr. Ronald Glas's NPI?
Dr. Ronald Glas's National Provider Identifier (NPI) is 1720075484, issued by NPPES.
Does Dr. Ronald Glas accept Medicare assignment?
Yes. Dr. Ronald Glas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Glas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.