Douglas Vacek, DO
NPI 1790758332 · Hospitalist Physician · Sparks, NV
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Vacek, DO is a Hospitalist Physician provider in Sparks, NV (NPI 1790758332).
Provider details
- NPI number
- 1790758332
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1125 (NV)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
115 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 83 | $126 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 32 | $80 |
Typical Medicare-allowed amounts for these services range $80–$126 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 67 | 11 |
| Omeprazole | 46 | — |
| Levothyroxine Sodium | 44 | 12 |
| Atorvastatin Calcium | 40 | — |
| Gabapentin | 40 | — |
| Meloxicam | 34 | — |
| Risperidone | 34 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-13
- Last updated
- 2024-08-06
- Certified
- 2024-08-06
Frequently asked questions
- What is Douglas Vacek's NPI number?
- Douglas Vacek's National Provider Identifier (NPI) is 1790758332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Vacek's specialty?
- Douglas Vacek is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Vacek located?
- Douglas Vacek's practice location on file with NPPES is 2375 E Prater Way, Sparks, NV 89434-9665.
- What is Douglas Vacek's phone number?
- The practice phone number listed in the NPPES registry for Douglas Vacek is (775) 331-7000.
- Does Douglas Vacek accept Medicare?
- Douglas Vacek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Vacek's NPI active?
- Yes — Douglas Vacek's NPI (1790758332) is active in the NPPES registry as of the last update on 2024-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.