Austin Nielsen, MD
NPI 1639631831 · Family Medicine Physician · Bloomington, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Austin Nielsen, MD is a Family Medicine Physician provider in Bloomington, IN (NPI 1639631831).
Provider details
- NPI number
- 1639631831
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01087938A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
680 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 294 | $119 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 82 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $84 |
| Administration of Influenza Virus VaccineG0008 | 50 | $30 |
| 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'SG2211 | 48 | $15 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 480 | 140 |
| Amlodipine Besylate | 315 | 93 |
| Lisinopril | 285 | 87 |
| Levothyroxine Sodium | 273 | 71 |
| Losartan Potassium | 232 | 66 |
| Metformin Hclbrand: Metformin Hcl Er | 196 | 58 |
Practice location
Mailing address
Additional practice locations (1)
- 701 W 5th StOdessa, TX 79763-4206Phone: (432) 703-5238
Registry dates
- Enumerated
- 2019-04-05
- Last updated
- 2022-07-19
- Certified
- 2022-07-19
Frequently asked questions
- What is Austin Nielsen's NPI number?
- Austin Nielsen's National Provider Identifier (NPI) is 1639631831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Austin Nielsen's specialty?
- Austin Nielsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Austin Nielsen located?
- Austin Nielsen's practice location on file with NPPES is 5921 W State Road 46, Bloomington, IN 47404-9359.
- What is Austin Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Austin Nielsen is (812) 935-8866.
- Does Austin Nielsen accept Medicare?
- Austin Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Austin Nielsen's NPI active?
- Yes — Austin Nielsen's NPI (1639631831) is active in the NPPES registry as of the last update on 2022-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.