Doctor profile · Federal record
Dr. Irene Enzensperger, MD
Family Medicine Physician · Upland, CA
- NPI 1174693659
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1060 E Foothill Blvd Ste 202
Upland, CA 917864017
(909) 949-0220
fax (909) 949-0309
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G23211
- Medicaid
- CA #00G232110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174693659. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
463
Distinct HCPCS
4
Medicare allowed
$63,339
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 323 | 126 | $129 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 80 | 63 | $179 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 45 | 45 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 13 | $93 |
In context: peer comparison
Among 8 peers in Upland Family Medicine Physician, average services per provider: 109. This provider delivers 4.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
512
Patients
87
Total drug cost
$8,915
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 96 | 29 | $981 |
| Levothyroxine Sodium | Generic | 87 | 24 | $1,490 |
| Losartan Potassium | Generic | 64 | 17 | $993 |
| Metformin Hcl | Generic | 28 | 0 | $375 |
| Furosemide | Generic | 27 | 0 | $302 |
| Fenofibrate (Fenofibrate,Micronized) | Brand | 26 | 0 | $912 |
| Atorvastatin Calcium | Generic | 25 | 0 | $276 |
| Hydrochlorothiazide | Generic | 24 | 0 | $129 |
| Synthroid (Levothyroxine Sodium) | Brand | 23 | 0 | $1,727 |
| Lorazepam | Generic | 22 | 0 | $96 |
Frequently asked questions
What is Dr. Irene Enzensperger's medical specialty?
Dr. Irene Enzensperger practices Family Medicine Physician in Upland, CA.
Where does Dr. Irene Enzensperger practice?
Dr. Irene Enzensperger practices at 1060 E Foothill Blvd Ste 202, Upland, CA 917864017. Office phone: 9099490220.
What is Dr. Irene Enzensperger's NPI?
Dr. Irene Enzensperger's National Provider Identifier (NPI) is 1174693659, issued by NPPES.
What procedures does Dr. Irene Enzensperger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.