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Edit this profileAt a glance
- 801 N 29Th St, Billings, MT 59101
About Dr. Holzwarth
Abigail C. Holzwarth, DNP, APRN, FNP-BC is a nurse practitioner based in Billings, MT. Abigail is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Abigail cared for 595 Medicare patients across 913 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1104544576.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (406) 238-2500
- Email not available
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Practice Locations
801 N 29TH ST
Billings, MT 59101
Procedures Most Often Billed to Medicare
913 services · 595 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
14 | Less often than most peers in Nurse Practitioner |
| Dialysis services, 1 physician visit per month (20 years or older) | Treatment | 90962 |
11 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
280 | More than most peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
240 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
187 | More than most peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
181 | More than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Billings 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Abigail C. Holzwarth, DNP, APRN specialize in?
Abigail C. Holzwarth, DNP, APRN is a nurse practitioner in Billings, MT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Abigail C. Holzwarth, DNP, APRN located?
Abigail C. Holzwarth, DNP, APRN is listed at 801 N 29Th St, Billings, MT 59101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Abigail C. Holzwarth, DNP, APRN's phone number?
The number on file is (406) 238-2500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Abigail C. Holzwarth, DNP, APRN's NPI number?
Abigail C. Holzwarth, DNP, APRN's National Provider Identifier is 1104544576. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Abigail C. Holzwarth, DNP, APRN train?
Abigail C. Holzwarth, DNP, APRN attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Abigail C. Holzwarth, DNP, APRN been practicing?
Abigail C. Holzwarth, DNP, APRN has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Abigail C. Holzwarth, DNP, APRN do most often?
According to Medicare billing data, Abigail C. Holzwarth, DNP, APRN provides treatments such as dialysis services, 2-3 physician visits per month and dialysis services, 1 physician visit per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Abigail C. Holzwarth, DNP, APRN confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Abigail C. Holzwarth, DNP, APRN. If this is you, claiming it is free.
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