Doctor profile · Federal record
Dr. James Maserejian, MD
Internal Medicine Physician (CMS: Internal Medicine) · Evansville, IN
- NPI 1326080037
- Accepts Medicare
- MIPS 94.7 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3700 Washington Ave
Evansville, IN 477140541
(812) 485-7040
fax (812) 485-7042 - Mailing address
-
Po Box 359
Evansville, IN 477030359
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 13, 2009
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Indiana #01051918A
- Medicaid (2)
- IN #200260050 · IN #100180890G
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326080037. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
712
Distinct HCPCS
6
Medicare allowed
$72,130
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 289 | 144 | $110 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 255 | 120 | $73 | |
99239 |
Hospital discharge day management, more than 30 minutes | 90 | 88 | $105 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 40 | $163 | |
99291 |
Critical care, first 30-74 minutes | 24 | 19 | $199 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 14 | $76 |
In context: peer comparison
Among 21 peers in Evansville Internal Medicine Physician, average services per provider: 108. This provider delivers 6.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
13
Total drug cost
$129
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 14 | 13 | $129 |
Hospital affiliations
Frequently asked questions
What is Dr. James Maserejian's medical specialty?
Dr. James Maserejian practices Internal Medicine Physician in Evansville, IN.
Where does Dr. James Maserejian practice?
Dr. James Maserejian practices at 3700 Washington Ave, Evansville, IN 477140541. Office phone: 8124857040.
What is Dr. James Maserejian's NPI?
Dr. James Maserejian's National Provider Identifier (NPI) is 1326080037, issued by NPPES.
Does Dr. James Maserejian accept Medicare assignment?
Yes. Dr. James Maserejian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Maserejian commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.