Doctor profile · Federal record
Dr. Margaret Hammersla, CRNP
Adult Health Nurse Practitioner · Adult Health Nurse Practitioner · Bozeman, MT
- NPI 1235157439
- 20 yrs on file
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
937 Highland Blvd Ste 5410
Bozeman, MT 597156916
(406) 414-2400 - Additional location
-
710 Obrecht RD
Sykesville, MD 217847650
(410) 795-8808 - Mailing address
-
915 Highland Blvd
Bozeman, MT 597156902
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 9, 2025
- Specialty taxonomy
- 363LA2200X — NUCC code
- State licenses (2)
- Montana #159783 · Maryland #R128313
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235157439. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
40
Distinct HCPCS
1
Medicare allowed
$3,154
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 40 | 34 | $79 |
In context: peer comparison
Among 1 peers in Bozeman Adult Health Nurse Practitioner, average services per provider: 40. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $20.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
67
Patients
0
Total drug cost
$1,204
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 22 | 0 | $229 |
| Levothyroxine Sodium | Generic | 19 | 0 | $219 |
| Meloxicam | Generic | 13 | 0 | $88 |
| Mirtazapine | Generic | 13 | 0 | $667 |
Frequently asked questions
What is Dr. Margaret Hammersla's medical specialty?
Dr. Margaret Hammersla practices Adult Health Nurse Practitioner in Bozeman, MT.
Where does Dr. Margaret Hammersla practice?
Dr. Margaret Hammersla practices at 937 Highland Blvd Ste 5410, Bozeman, MT 597156916. Office phone: 4064142400.
What is Dr. Margaret Hammersla's NPI?
Dr. Margaret Hammersla's National Provider Identifier (NPI) is 1235157439, issued by NPPES.
What procedures does Dr. Margaret Hammersla commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349). Source: CMS Medicare Physician & Other Practitioners file.