Doctor profile · Federal record
Dr. Brian Marks, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Scottsdale, AZ
- NPI 1013982883
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5111 N Scottsdale RD Ste 158
Scottsdale, AZ 852507004
(480) 949-7080
fax (480) 675-9145
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 9, 2026
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #2964
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013982883. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
582
Distinct HCPCS
5
Medicare allowed
$72,254
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 379 | 147 | $124 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 126 | 126 | $125 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 49 | 34 | $173 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 15 | 13 | $3 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 13 | $87 |
In context: peer comparison
Among 85 peers in this city , average services per provider: 120. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$1,043
Transactions
37
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 16 | $571.87 | |
| Amgen Inc. | 6 | $182.18 | |
| Novo Nordisk Inc | 5 | $91.55 | |
| Lilly USA, LLC | 4 | $62.49 | |
| Novartis Pharmaceuticals Corporation | 2 | $44.36 | |
| Saluda Medical Americas, Inc. | 1 | $26.82 | |
| ABBVIE INC. | 1 | $25.02 | |
| Abbott Laboratories | 1 | $24.77 | |
| Esperion Therapeutics, Inc. | 1 | $14.23 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,576
Patients
465
Total drug cost
$19,411
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 363 | 108 | $4,210 |
| Levothyroxine Sodium | Generic | 229 | 61 | $3,970 |
| Amlodipine Besylate | Generic | 133 | 42 | $763 |
| Lisinopril | Generic | 112 | 33 | $886 |
| Pioglitazone Hcl | Generic | 80 | 25 | $1,180 |
| Tamsulosin Hcl | Generic | 78 | 24 | $1,295 |
| Trazodone Hcl | Generic | 78 | 24 | $678 |
| Metformin Hcl | Generic | 76 | 23 | $566 |
| Losartan Potassium | Generic | 75 | 22 | $1,055 |
| Omeprazole | Generic | 66 | 18 | $914 |
Frequently asked questions
What is Dr. Brian Marks's medical specialty?
Dr. Brian Marks practices Internal Medicine Physician in Scottsdale, AZ.
Where does Dr. Brian Marks practice?
Dr. Brian Marks practices at 5111 N Scottsdale RD Ste 158, Scottsdale, AZ 852507004. Office phone: 4809497080.
What is Dr. Brian Marks's NPI?
Dr. Brian Marks's National Provider Identifier (NPI) is 1013982883, issued by NPPES.
Does Dr. Brian Marks accept Medicare assignment?
Yes. Dr. Brian Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Marks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.