Doctor profile · Federal record
Dr. Mark Nelson, MD
Orthopaedic Surgery of the Spine Physician (CMS: Orthopedic Surgery) · Lajolla, CA
- NPI 1245341601
- Accepts Medicare
- MIPS 67.3 / 100 · 2023
- 31 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
9834 Genesee Avenue, Suite 223
Lajolla, CA 92037
(858) 777-7917
fax (858) 703-5048
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 2, 2015
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207XS0117X — NUCC code
- State license (1)
- California #A80416
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245341601. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
319
Distinct HCPCS
9
Medicare allowed
$40,713
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 71 | 53 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 42 | $96 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $175 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 46 | 46 | $117 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 39 | 27 | $191 | |
64483 |
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 21 | 19 | $124 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 17 | 14 | $60 | |
64484 |
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | 12 | 12 | $53 | |
72100 |
X-ray of lower and sacral spine, 2-3 views | 12 | 12 | $46 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 35. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Trilliant Surgical LLC. | 1 | $21.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
102
Patients
50
Total drug cost
$2,619
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 47 | 22 | $541 |
| Celecoxib | Generic | 32 | 12 | $1,851 |
| Methylprednisolone | Generic | 23 | 16 | $227 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Nelson's medical specialty?
Dr. Mark Nelson practices Orthopaedic Surgery of the Spine Physician in Lajolla, CA.
Where does Dr. Mark Nelson practice?
Dr. Mark Nelson practices at 9834 Genesee Avenue, Lajolla, CA 92037. Office phone: 8587777917.
What is Dr. Mark Nelson's NPI?
Dr. Mark Nelson's National Provider Identifier (NPI) is 1245341601, issued by NPPES.
Does Dr. Mark Nelson accept Medicare assignment?
Yes. Dr. Mark Nelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Nelson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.