Doctor profile · Federal record
Dr. Lester Holstein, MD
Family Medicine Physician (CMS: Family Practice) · Claremont, CA
- NPI 1720088792
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1601 Monte Vista Ave Ste 100
Claremont, CA 917116601
(909) 630-7938
fax (909) 469-2118 - Additional location
-
3110 Chino Ave Ste 150A
Chino Hills, CA 917091295
(909) 630-7940
fax (909) 469-2108 - Mailing address
-
1601 Monte Vista Ave Ste E100
Claremont, CA 917112962
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- February 25, 2026
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G775600
- Medicaid (2)
- CA #00G775600 · CA #1720088792
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720088792. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
593
Distinct HCPCS
5
Medicare allowed
$70,777
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 390 | 199 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 150 | 112 | $99 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 19 | 18 | $7 | |
G0008 |
Administration of influenza virus vaccine | 18 | 18 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 16 | 16 | $72 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 63. This provider delivers 9.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,938
Patients
962
Total drug cost
$178,006
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 650 | 173 | $9,635 |
| Levothyroxine Sodium | Generic | 463 | 107 | $9,068 |
| Lisinopril | Generic | 344 | 92 | $3,554 |
| Amlodipine Besylate | Generic | 340 | 85 | $2,774 |
| Omeprazole | Generic | 283 | 65 | $4,369 |
| Simvastatin | Generic | 274 | 71 | $3,614 |
| Tamsulosin Hcl | Generic | 208 | 52 | $3,889 |
| Losartan Potassium | Generic | 200 | 56 | $3,504 |
| Metoprolol Tartrate | Generic | 198 | 39 | $1,391 |
| Metformin Hcl | Generic | 185 | 46 | $2,395 |
Hospital affiliations
Frequently asked questions
What is Dr. Lester Holstein's medical specialty?
Dr. Lester Holstein practices Family Medicine Physician in Claremont, CA.
Where does Dr. Lester Holstein practice?
Dr. Lester Holstein practices at 1601 Monte Vista Ave Ste 100, Claremont, CA 917116601. Office phone: 9096307938.
What is Dr. Lester Holstein's NPI?
Dr. Lester Holstein's National Provider Identifier (NPI) is 1720088792, issued by NPPES.
Does Dr. Lester Holstein accept Medicare assignment?
Dr. Lester Holstein does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Lester Holstein 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 99213); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.