Doctor profile · Federal record
Dr. Margaret Koehler
Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Adult Health Nurse Practitioner · Providence, RI
- NPI 1932594892
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
593 Eddy St, Comprehensive Cancer Center
Providence, RI 029034923
(401) 952-9223 - Additional location
-
20 ONeil Blvd
Attleboro, MA 027031854
(508) 236-8525
fax (508) 342-1927
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- December 29, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 363LP2300X — NUCC code
- State licenses (2)
- Rhode Island #APRN00634 · Massachusetts #RN260226
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932594892. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
70
Distinct HCPCS
2
Medicare allowed
$5,178
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 26 | $84 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 19 | $57 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 35. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
332
Patients
60
Total drug cost
$30,069
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 79 | 20 | $1,744 |
| Anastrozole | Generic | 41 | 14 | $1,020 |
| Dexamethasone | Generic | 23 | 12 | $436 |
| Oxycodone Hcl | Generic | 23 | 14 | $249 |
| Exemestane | Generic | 18 | 0 | $7,817 |
| Klor-Con M20 (Potassium Chloride) | Brand | 17 | 0 | $197 |
| Pantoprazole Sodium | Generic | 17 | 0 | $229 |
| Allopurinol | Generic | 16 | 0 | $207 |
| Levothyroxine Sodium | Generic | 16 | 0 | $269 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 16 | 0 | $130 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Koehler's medical specialty?
Dr. Margaret Koehler practices Primary Care Nurse Practitioner in Providence, RI.
Where does Dr. Margaret Koehler practice?
Dr. Margaret Koehler practices at 593 Eddy St, Providence, RI 029034923. Office phone: 4019529223.
What is Dr. Margaret Koehler's NPI?
Dr. Margaret Koehler's National Provider Identifier (NPI) is 1932594892, issued by NPPES.
Does Dr. Margaret Koehler accept Medicare assignment?
Yes. Dr. Margaret Koehler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Koehler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.