NPI age
20 years
Enumerated 2005-12-07
● Active
Type 1 · Individual
DR. Susan M Marzolf, M.D.
Marzolf is 1 of 14 obstetrics & gynecology providers in Twin Falls and 1 of 228 in Idaho.
Primary specialty
Obstetrics & Gynecology
Plus 1 subspecialty
Licensed in
ID, AZ
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-10-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 228 active obstetrics & gynecology providers in Idaho.
NPI age
20 years
≈ at median (19 yr)
State licenses
2 states
Top 72% — 27% of peers are multi-state
Subspecialties
0
42% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-12Enumerated in NPPES
2005
2026
Where they practice
Practice location
801 Pole Line Rd W Ste 3880
Twin Falls, ID 833015811
Mailing address
190 E Bannock St
Boise, ID 837126241
Specialties
-
Obstetrics & Gynecology PrimaryAn obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (AZ) | 86080015085259C424 | TRIWEST |
| 01 (AZ) | P00251227 | RAILROAD MEDICARE |
| 05 (AZ) | 916455 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 4 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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