Brian Haslag, DO
NPI 1861978074 · Family Medicine Physician · Jefferson City, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Haslag, DO is a Family Medicine Physician provider in Jefferson City, MO (NPI 1861978074).
Provider details
- NPI number
- 1861978074
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 2019033221 (MO)
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 tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
815 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 364 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 130 | $110 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 126 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 57 | $160 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 56 | $122 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 31 | 29 |
| Furosemide | 26 | 22 |
| Atorvastatin Calcium | 22 | — |
| Cefdinir | 21 | 21 |
| Metoprolol Tartrate | 21 | — |
| Lisinopril | 16 | — |
| Pantoprazole Sodium | 16 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 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
- 2018-07-11
- Last updated
- 2024-07-11
- Certified
- 2024-07-11
Frequently asked questions
- What is Brian Haslag's NPI number?
- Brian Haslag's National Provider Identifier (NPI) is 1861978074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Haslag's specialty?
- Brian Haslag is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Haslag located?
- Brian Haslag's practice location on file with NPPES is 1125 Madison St, Jefferson City, MO 65101-5227.
- What is Brian Haslag's phone number?
- The practice phone number listed in the NPPES registry for Brian Haslag is (573) 632-5000.
- Does Brian Haslag accept Medicare?
- Brian Haslag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Haslag's NPI active?
- Yes — Brian Haslag's NPI (1861978074) is active in the NPPES registry as of the last update on 2024-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.