Ashwin Uttam, D.O.
NPI 1891948089 · Hospitalist Physician · Waukesha, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashwin Uttam, D.O. is a Hospitalist Physician provider in Waukesha, WI (NPI 1891948089).
Provider details
- NPI number
- 1891948089
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5629721 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 37 |
| Atorvastatin Calcium | 33 |
| Apixabanbrand: Eliquis | 21 |
| Insulin Aspartbrand: Novolog Flexpen | 20 |
| Doxazosin Mesylate | 17 |
| Metoprolol Succinate | 16 |
| Furosemide | 15 |
| Memantine Hcl | 14 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-31
- Last updated
- 2012-05-08
Frequently asked questions
- What is Ashwin Uttam's NPI number?
- Ashwin Uttam's National Provider Identifier (NPI) is 1891948089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashwin Uttam's specialty?
- Ashwin Uttam is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ashwin Uttam located?
- Ashwin Uttam's practice location on file with NPPES is 725 American Ave Rm 2036, Waukesha, WI 53188-5031.
- What is Ashwin Uttam's phone number?
- The practice phone number listed in the NPPES registry for Ashwin Uttam is (262) 928-5400.
- Does Ashwin Uttam accept Medicare?
- Ashwin Uttam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashwin Uttam's NPI active?
- Yes — Ashwin Uttam's NPI (1891948089) is active in the NPPES registry as of the last update on 2012-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.