Doctor profile · Federal record
Dr. Donald Longjohn, M.D.
Adult Reconstructive Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Los Angeles, CA
- NPI 1215949524
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1520 San Pablo St, #2000
Los Angeles, CA 900335310
(323) 442-5860
fax (323) 442-6990 - Mailing address
-
Po Box 31309
Los Angeles, CA 900310309
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207XS0114X — NUCC code
- State license (1)
- California #G72658
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215949524. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
760
Distinct HCPCS
8
Medicare allowed
$131,995
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 273 | 223 | $104 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 151 | 151 | $140 | |
20610 |
Aspiration and/or injection of fluid from large joint | 109 | 84 | $53 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 108 | 90 | $38 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 54 | 52 | $70 | |
27447 |
Replacement of knee joint, both sides of knee | 32 | 32 | $1,377 | |
27130 |
Replacement of thigh bone and hip joint with prosthesis | 17 | 16 | $1,378 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 16 | 16 | $88 |
In context: peer comparison
Among 6 peers in Los Angeles Adult Reconstructive Orthopaedic Surgery Physician, average services per provider: 94. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$103
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $82.68 | |
| Solventum Corporation | 1 | $20.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
171
Patients
80
Total drug cost
$10,049
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 74 | 30 | $9,452 |
| Amoxicillin | Generic | 58 | 31 | $118 |
| Mupirocin | Generic | 28 | 19 | $356 |
| Tramadol Hcl | Generic | 11 | 0 | $123 |
Hospital affiliations
Frequently asked questions
What is Dr. Donald Longjohn's medical specialty?
Dr. Donald Longjohn practices Adult Reconstructive Orthopaedic Surgery Physician in Los Angeles, CA.
Where does Dr. Donald Longjohn practice?
Dr. Donald Longjohn practices at 1520 San Pablo St, Los Angeles, CA 900335310. Office phone: 3234425860.
What is Dr. Donald Longjohn's NPI?
Dr. Donald Longjohn's National Provider Identifier (NPI) is 1215949524, issued by NPPES.
Does Dr. Donald Longjohn accept Medicare assignment?
Yes. Dr. Donald Longjohn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Longjohn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.