David Halvorson, M.D.
NPI 1790880698 · Specialist · Alabaster, AL
David Halvorson, M.D. is a Specialist provider in Alabaster, AL (NPI 1790880698).
Provider details
- NPI number
- 1790880698
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20146 (AL)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
50 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $150 |
Typical Medicare-allowed amounts for these services range $109–$150 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 179 | 98 |
| Fluticasone Propionate | 128 | 58 |
| Azelastine Hcl | 38 | 16 |
| Omeprazole | 34 | 18 |
| Meclizine Hcl | 25 | 12 |
| Lansoprazole | 24 | — |
| Mupirocin | 21 | 14 |
| Cephalexin | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 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
- 2006-09-14
- Last updated
- 2013-08-22
Frequently asked questions
- What is David Halvorson's NPI number?
- David Halvorson's National Provider Identifier (NPI) is 1790880698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Halvorson's specialty?
- David Halvorson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is David Halvorson located?
- David Halvorson's practice location on file with NPPES is 1228 First Street North, Alabaster, AL 35007-8608.
- What is David Halvorson's phone number?
- The practice phone number listed in the NPPES registry for David Halvorson is (205) 621-8900.
- Is David Halvorson's NPI active?
- Yes — David Halvorson's NPI (1790880698) is active in the NPPES registry as of the last update on 2013-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.