Doctor profile · Federal record
Dr. Armen Isaiants, M.D.
Internal Medicine Physician · Pasadena, CA
- NPI 1659336964
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
988 S Fair Oaks Ave
Pasadena, CA 911052626
(626) 799-4192
fax (626) 799-2054
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- November 5, 2012
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A061592
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659336964. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
222
Distinct HCPCS
7
Medicare allowed
$18,501
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 83 | 57 | $98 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 36 | 36 | $140 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 32 | 32 | $21 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 25 | 18 | $44 | |
G0008 |
Administration of influenza virus vaccine | 17 | 17 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 16 | 16 | $75 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 12 | $139 |
In context: peer comparison
Among 31 peers in this city , average services per provider: 151. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,279
Patients
678
Total drug cost
$42,669
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 609 | 190 | $11,626 |
| Amlodipine Besylate | Generic | 276 | 81 | $2,742 |
| Lisinopril | Generic | 183 | 53 | $2,293 |
| Metformin Hcl | Generic | 155 | 51 | $1,827 |
| Carvedilol | Generic | 136 | 41 | $2,081 |
| Omeprazole | Generic | 125 | 40 | $2,037 |
| Losartan Potassium | Generic | 112 | 31 | $1,686 |
| Chlorthalidone | Generic | 105 | 26 | $2,945 |
| Levothyroxine Sodium | Generic | 95 | 26 | $2,451 |
| Alendronate Sodium | Generic | 87 | 27 | $3,824 |
Frequently asked questions
What is Dr. Armen Isaiants's medical specialty?
Dr. Armen Isaiants practices Internal Medicine Physician in Pasadena, CA.
Where does Dr. Armen Isaiants practice?
Dr. Armen Isaiants practices at 988 S Fair Oaks Ave, Pasadena, CA 911052626. Office phone: 6267994192.
What is Dr. Armen Isaiants's NPI?
Dr. Armen Isaiants's National Provider Identifier (NPI) is 1659336964, issued by NPPES.
What procedures does Dr. Armen Isaiants commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.