Doctor profile · Federal record
Dr. David McDonough, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Tustin, CA
- NPI 1295866341
- Accepts Medicare
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
12721 Newport Ave Ste 3
Tustin, CA 927808031
(310) 288-5933
fax (866) 683-4556 - Mailing address
-
4015 N Walnuthaven Dr
Covina, CA 917223927
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- April 11, 2024
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G73043
- Medicaid
- CA #3045033
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295866341. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
101
Distinct HCPCS
1
Medicare allowed
$19,571
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 101 | 18 | $194 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 312. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$363
Transactions
17
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 12 | $249.26 | |
| EMD Serono, Inc. | 4 | $92.73 | |
| Boston Scientific Corporation | 1 | $21.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
544
Patients
31
Total drug cost
$1,191,759
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mounjaro (Tirzepatide) | Brand | 161 | 31 | $193,996 |
| Allopurinol | Generic | 58 | 0 | $864 |
| Serostim (Somatropin) | Brand | 41 | 0 | $846,307 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 36 | 0 | $145,126 |
| Gabapentin | Generic | 33 | 0 | $714 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 29 | 0 | $1,271 |
| Acyclovir | Generic | 26 | 0 | $827 |
| Rosuvastatin Calcium | Generic | 26 | 0 | $212 |
| Montelukast Sodium | Generic | 25 | 0 | $233 |
| Finasteride | Generic | 23 | 0 | $315 |
Frequently asked questions
What is Dr. David McDonough's medical specialty?
Dr. David McDonough practices Internal Medicine Physician in Tustin, CA.
Where does Dr. David McDonough practice?
Dr. David McDonough practices at 12721 Newport Ave Ste 3, Tustin, CA 927808031. Office phone: 3102885933.
What is Dr. David McDonough's NPI?
Dr. David McDonough's National Provider Identifier (NPI) is 1295866341, issued by NPPES.
Does Dr. David McDonough accept Medicare assignment?
Yes. Dr. David McDonough accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David McDonough commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.