Doctor profile · Federal record
Dr. Roham Zamanian, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Stanford, CA
- NPI 1689601494
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 12, 2024
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- California #A74771
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689601494. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
90
Distinct HCPCS
4
Medicare allowed
$8,227
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 11 | $91 | |
93451 |
Insertion of tube in right heart chambers for measurement | 20 | 20 | $135 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 11 | $113 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 14 | 14 | $6 |
In context: peer comparison
Among 15 peers in Stanford Pulmonary Disease Physician, average services per provider: 61. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$14,446
Transactions
16
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Actelion Pharmaceuticals US, INC. | 6 | $7,624.67 | |
| Merck Sharp & Dohme LLC | 9 | $6,742.92 | |
| United Therapeutics Corporation | 1 | $78.26 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
286
Patients
0
Total drug cost
$1,446,654
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sildenafil Citrate | Generic | 67 | 0 | $19,855 |
| Ambrisentan | Generic | 63 | 0 | $245,240 |
| Opsumit (Macitentan) | Brand | 46 | 0 | $582,083 |
| Tadalafil | Generic | 38 | 0 | $28,014 |
| Adempas (Riociguat) | Brand | 26 | 0 | $349,330 |
| Spironolactone | Generic | 22 | 0 | $114 |
| Letairis (Ambrisentan) | Brand | 13 | 0 | $172,476 |
| Adcirca (Tadalafil) | Brand | 11 | 0 | $49,542 |
Hospital affiliations
Frequently asked questions
What is Dr. Roham Zamanian's medical specialty?
Dr. Roham Zamanian practices Pulmonary Disease Physician in Stanford, CA.
Where does Dr. Roham Zamanian practice?
Dr. Roham Zamanian practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Roham Zamanian's NPI?
Dr. Roham Zamanian's National Provider Identifier (NPI) is 1689601494, issued by NPPES.
Does Dr. Roham Zamanian accept Medicare assignment?
Yes. Dr. Roham Zamanian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roham Zamanian commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Insertion of tube in right heart chambers for measurement (HCPCS 93451); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.