Doctor profile · Federal record
Dr. Karen Ahlstrom, MD
Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Missoula, MT
- NPI 1922058031
- Accepts Medicare
- 30 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
700 W Kent Ave
Missoula, MT 598016772
(406) 541-3277
fax (406) 541-3811 - Additional location
-
120 S 5Th St Ste 104
Hamilton, MT 598402798
(406) 363-3366 - Additional location
-
1200 Westwood Dr
Hamilton, MT 598402345
(406) 363-2211
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 26, 2023
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State licenses (2)
- Montana #129134 · Washington #MD00039605
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922058031. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
147
Distinct HCPCS
6
Medicare allowed
$16,175
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
69210 |
Removal of impacted ear wax | 28 | 23 | $45 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 27 | $127 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $166 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 24 | $87 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 26 | 26 | $127 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $112 |
In context: peer comparison
Among 3 peers in Missoula Otolaryngology Physician, average services per provider: 58. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$140
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $98.95 | |
| Medtronic, INC. | 1 | $20.79 | |
| GlaxoSmithKline, LLC. | 1 | $20.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
12
Total drug cost
$87
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $87 |
Frequently asked questions
What is Dr. Karen Ahlstrom's medical specialty?
Dr. Karen Ahlstrom practices Otolaryngology Physician in Missoula, MT.
Where does Dr. Karen Ahlstrom practice?
Dr. Karen Ahlstrom practices at 700 W Kent Ave, Missoula, MT 598016772. Office phone: 4065413277.
What is Dr. Karen Ahlstrom's NPI?
Dr. Karen Ahlstrom's National Provider Identifier (NPI) is 1922058031, issued by NPPES.
Does Dr. Karen Ahlstrom accept Medicare assignment?
Yes. Dr. Karen Ahlstrom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Ahlstrom commonly perform?
Top Medicare-reported procedures in 2023: Removal of impacted ear wax (HCPCS 69210); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.