Doctor profile · Federal record
Dr. Mark Yamanaka, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Oceanside, CA
- NPI 1013004852
- Accepts Medicare
- 45 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3907 Waring RD Ste 2
Oceanside, CA 920564454
(760) 941-0221
fax (760) 941-0905
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 12, 2023
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- California #G48542
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013004852. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
624
Distinct HCPCS
10
Medicare allowed
$85,554
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 194 | 89 | $137 | |
99291 |
Critical care, first 30-74 minutes | 177 | 91 | $218 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 66 | 16 | $123 | |
94729 |
Test to examine how well the lungs exchange gases | 38 | 37 | $11 | |
94727 |
Test to determine lung volumes using gas dilution or washout | 36 | 36 | $13 | |
94618 |
Test for exercise-induced lung stress | 33 | 31 | $24 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 27 | 27 | $12 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $177 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 17 | 17 | $233 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $179 |
In context: peer comparison
Among 3 peers in Oceanside Pulmonary Disease Physician, average services per provider: 48. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$1,260
Transactions
55
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 14 | $249.02 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $247.86 | |
| Actelion Pharmaceuticals US, INC. | 11 | $185.89 | |
| Takeda Pharmaceuticals U.S.A., INC. | 7 | $136.58 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $97.45 | |
| Regeneron Healthcare Solutions, INC. | 3 | $76.03 | |
| Insmed, INC. | 3 | $62.09 | |
| Philips North America LLC | 3 | $60.91 | |
| Grifols USA, LLC | 2 | $53.97 | |
| Baxter Healthcare | 1 | $36.62 | |
| Inspire Medical Systems, INC. | 1 | $27.59 | |
| Vifor Pharma, INC. | 1 | $26.21 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
357
Patients
54
Total drug cost
$136,900
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 66 | 13 | $63,140 |
| Roflumilast | Generic | 45 | 0 | $2,606 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 39 | 0 | $25,377 |
| Prednisone | Generic | 38 | 11 | $317 |
| Azithromycin | Generic | 35 | 18 | $413 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 29 | 12 | $1,492 |
| Incruse Ellipta (Umeclidinium Bromide) | Brand | 24 | 0 | $9,307 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 17 | 0 | $9,071 |
| Levofloxacin | Generic | 15 | 0 | $129 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 14 | 0 | $53 |
Frequently asked questions
What is Dr. Mark Yamanaka's medical specialty?
Dr. Mark Yamanaka practices Pulmonary Disease Physician in Oceanside, CA.
Where does Dr. Mark Yamanaka practice?
Dr. Mark Yamanaka practices at 3907 Waring RD Ste 2, Oceanside, CA 920564454. Office phone: 7609410221.
What is Dr. Mark Yamanaka's NPI?
Dr. Mark Yamanaka's National Provider Identifier (NPI) is 1013004852, issued by NPPES.
Does Dr. Mark Yamanaka accept Medicare assignment?
Yes. Dr. Mark Yamanaka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Yamanaka commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.