Doctor profile · Federal record
Dr. Joseph Mardanzai, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Ramon, CA
- NPI 1043220031
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11030 Bollinger Canyon RD, Ste 240
San Ramon, CA 945824874
(925) 736-1000 - Mailing address
-
Po Box 3888
San Ramon, CA 945838888
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 30, 2015
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A80856
- Medicaid
- CA #00A808560
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043220031. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
101
Distinct HCPCS
4
Medicare allowed
$11,742
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 55 | 32 | $88 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 17 | 13 | $132 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $193 | |
99239 |
Hospital discharge day management, more than 30 minutes | 13 | 13 | $120 |
In context: peer comparison
Among 7 peers in San Ramon Internal Medicine Physician, average services per provider: 110. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$177
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 2 | $61.95 | |
| Revance Therapeutics, INC. | 1 | $57.46 | |
| Galderma Laboratories, L.P. | 1 | $29.76 | |
| Alkermes, INC. | 1 | $27.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
94
Patients
11
Total drug cost
$1,337
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 28 | 11 | $278 |
| Tamsulosin Hcl | Generic | 16 | 0 | $599 |
| Amlodipine Besylate | Generic | 13 | 0 | $77 |
| Levothyroxine Sodium | Generic | 13 | 0 | $143 |
| Lisinopril | Generic | 12 | 0 | $42 |
| Simvastatin | Generic | 12 | 0 | $198 |
Frequently asked questions
What is Dr. Joseph Mardanzai's medical specialty?
Dr. Joseph Mardanzai practices Internal Medicine Physician in San Ramon, CA.
Where does Dr. Joseph Mardanzai practice?
Dr. Joseph Mardanzai practices at 11030 Bollinger Canyon RD, San Ramon, CA 945824874. Office phone: 9257361000.
What is Dr. Joseph Mardanzai's NPI?
Dr. Joseph Mardanzai's National Provider Identifier (NPI) is 1043220031, issued by NPPES.
Does Dr. Joseph Mardanzai accept Medicare assignment?
Yes. Dr. Joseph Mardanzai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Mardanzai commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.