Doctor profile · Federal record
Dr. Joel Diamant, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · La Jolla, CA
- NPI 1164498663
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10710 N Torrey Pines RD
La Jolla, CA 920371035
(858) 554-7809 - Mailing address
-
10790 Rancho Bernardo RD
San Diego, CA 921275705
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- March 10, 2020
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G73299
- Medicaid
- CA #00G732990
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164498663. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
663
Distinct HCPCS
10
Medicare allowed
$88,153
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 241 | 169 | $136 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 150 | 113 | $191 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 78 | 73 | $97 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 67 | 67 | $138 | |
G0008 |
Administration of influenza virus vaccine | 30 | 29 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 28 | 28 | $72 | |
G0009 |
Administration of pneumococcal vaccine | 19 | 19 | $33 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 14 | 14 | $281 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 14 | 13 | $7 | |
90480 |
Admn sarscov2 vacc 1 dose | 11 | 11 | $44 |
In context: peer comparison
Among 33 peers in La Jolla Internal Medicine Physician, average services per provider: 105. This provider delivers 6.3× the peer median.Open Payments
Industry payments received
All-time total
$116
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Incyte Corporation | 1 | $115.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,895
Patients
601
Total drug cost
$27,578
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 371 | 117 | $5,302 |
| Amlodipine Besylate | Generic | 248 | 74 | $2,079 |
| Levothyroxine Sodium | Generic | 139 | 46 | $2,874 |
| Rosuvastatin Calcium | Generic | 131 | 46 | $3,164 |
| Lisinopril | Generic | 128 | 46 | $1,484 |
| Metformin Hcl | Generic | 113 | 34 | $1,758 |
| Gabapentin | Generic | 103 | 32 | $1,324 |
| Hydrochlorothiazide | Generic | 96 | 31 | $543 |
| Pantoprazole Sodium | Generic | 95 | 29 | $1,908 |
| Tamsulosin Hcl | Generic | 95 | 32 | $1,921 |
Hospital affiliations
Frequently asked questions
What is Dr. Joel Diamant's medical specialty?
Dr. Joel Diamant practices Internal Medicine Physician in La Jolla, CA.
Where does Dr. Joel Diamant practice?
Dr. Joel Diamant practices at 10710 N Torrey Pines RD, La Jolla, CA 920371035. Office phone: 8585547809.
What is Dr. Joel Diamant's NPI?
Dr. Joel Diamant's National Provider Identifier (NPI) is 1164498663, issued by NPPES.
Does Dr. Joel Diamant accept Medicare assignment?
Yes. Dr. Joel Diamant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joel Diamant 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.