Doctor profile · Federal record
Dr. Mark Mailhot, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Portland, OR
- NPI 1861534075
- Accepts Medicare
- 29 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
220 Ne Weidler St
Portland, OR 972321121
(314) 888-5233
fax (619) 984-4301
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- June 25, 2025
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Oregon #MD194698 · Washington #MD00047492
- Medicaid
- WA #8473431
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861534075. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
221
Distinct HCPCS
6
Medicare allowed
$22,539
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 96 | 47 | $131 | |
96127 |
Assessment of emotional or behavioral problems | 41 | 23 | $5 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 30 | $90 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $170 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 13 | 13 | $132 |
In context: peer comparison
Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$597
Transactions
26
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 5 | $112.03 | |
| Exact Sciences Corporation | 4 | $107.38 | |
| Phathom Pharmaceuticals, INC. | 3 | $83.85 | |
| Lundbeck LLC | 2 | $49.87 | |
| Otsuka America Pharmaceutical, INC. | 2 | $44.50 | |
| Otsuka Pharmaceutical Development & Commercialization, INC. | 2 | $40.49 | |
| GlaxoSmithKline, LLC. | 2 | $30.40 | |
| Madrigal Pharmaceuticals | 1 | $30.28 | |
| Pfizer INC. | 1 | $25.20 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 1 | $22.22 | |
| Novo Nordisk INC | 1 | $18.98 | |
| Medtronic, INC. | 1 | $17.62 | |
| Kyowa Kirin, INC. | 1 | $14.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
891
Patients
229
Total drug cost
$58,642
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 139 | 43 | $2,600 |
| Levothyroxine Sodium | Generic | 113 | 25 | $1,521 |
| Amlodipine Besylate | Generic | 100 | 33 | $863 |
| Lisinopril | Generic | 57 | 20 | $499 |
| Eliquis (Apixaban) | Brand | 55 | 14 | $42,983 |
| Omeprazole | Generic | 51 | 18 | $815 |
| Trazodone Hcl | Generic | 49 | 18 | $453 |
| Potassium Chloride | Generic | 48 | 0 | $4,364 |
| Gabapentin | Generic | 47 | 14 | $1,150 |
| Metoprolol Succinate | Generic | 44 | 16 | $820 |
Frequently asked questions
What is Dr. Mark Mailhot's medical specialty?
Dr. Mark Mailhot practices Internal Medicine Physician in Portland, OR.
Where does Dr. Mark Mailhot practice?
Dr. Mark Mailhot practices at 220 Ne Weidler St, Portland, OR 972321121. Office phone: 3148885233.
What is Dr. Mark Mailhot's NPI?
Dr. Mark Mailhot's National Provider Identifier (NPI) is 1861534075, issued by NPPES.
Does Dr. Mark Mailhot accept Medicare assignment?
Yes. Dr. Mark Mailhot accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Mailhot commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Assessment of emotional or behavioral problems (HCPCS 96127); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.