Doctor profile · Federal record
Dr. Hovsep Mahdessian, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Palmdale, CA
- NPI 1659544203
- Accepts Medicare
- MIPS 80.7 / 100 · 2023
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
327 E Palmdale Blvd
Palmdale, CA 935507139
(661) 273-5888
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- November 23, 2011
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #A102305 · Illinois #O36.120147
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659544203. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
152
Distinct HCPCS
6
Medicare allowed
$12,961
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 73 | 69 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 23 | $98 | |
81003 |
Automated urinalysis test | 17 | 17 | $2 | |
96372 |
Injection of drug or substance under skin or into muscle | 15 | 15 | $16 | |
94640 |
Inhalation treatment for airway obstruction or sputum production | 12 | 11 | $11 | |
J2930 |
Injection, methylprednisolone sodium succinate, up to 125 mg | 11 | 11 | $5 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 108. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $15.87 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
839
Patients
344
Total drug cost
$13,844
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methylprednisolone | Generic | 102 | 97 | $921 |
| Atorvastatin Calcium | Generic | 93 | 32 | $1,864 |
| Metformin Hcl | Generic | 84 | 28 | $1,111 |
| Lisinopril | Generic | 81 | 22 | $703 |
| Amlodipine Besylate | Generic | 65 | 23 | $1,253 |
| Omeprazole | Generic | 62 | 26 | $1,420 |
| Glipizide | Generic | 57 | 12 | $702 |
| Gabapentin | Generic | 50 | 15 | $1,314 |
| Dicyclomine Hcl | Generic | 45 | 25 | $1,188 |
| Triamcinolone Acetonide | Generic | 35 | 17 | $602 |
Frequently asked questions
What is Dr. Hovsep Mahdessian's medical specialty?
Dr. Hovsep Mahdessian practices Internal Medicine Physician in Palmdale, CA.
Where does Dr. Hovsep Mahdessian practice?
Dr. Hovsep Mahdessian practices at 327 E Palmdale Blvd, Palmdale, CA 935507139. Office phone: 6612735888.
What is Dr. Hovsep Mahdessian's NPI?
Dr. Hovsep Mahdessian's National Provider Identifier (NPI) is 1659544203, issued by NPPES.
Does Dr. Hovsep Mahdessian accept Medicare assignment?
Yes. Dr. Hovsep Mahdessian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hovsep Mahdessian 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); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.