Zachary Holliday, M.D.
NPI 1306108790 · Critical Care Medicine (Internal Medicine) Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Holliday, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Columbia, MO (NPI 1306108790).
Provider details
- NPI number
- 1306108790
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2015018623 (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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
472 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 90 | $212 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 74 | $107 |
| 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 | 59 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 54 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Elexacaftor/Tezacaftor/Ivacaftbrand: Trikafta | 91 | — |
| Azithromycin | 75 | 12 |
| Albuterol Sulfatebrand: Ventolin Hfa | 40 | — |
| Omeprazole | 32 | — |
| Fluticasone Propionate | 25 | — |
| Lipase/Protease/Amylasebrand: Pertzye | 24 | — |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$55 across 2 records (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
Additional practice locations (1)
- 500 E Market StIowa City, IA 52245-2633Phone: (319) 339-0300
Registry dates
- Enumerated
- 2012-06-12
- Last updated
- 2023-04-18
- Certified
- 2023-04-18
Frequently asked questions
- What is Zachary Holliday's NPI number?
- Zachary Holliday's National Provider Identifier (NPI) is 1306108790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Holliday's specialty?
- Zachary Holliday is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Holliday located?
- Zachary Holliday's practice location on file with NPPES is 1020 Hitt St, Columbia, MO 65212-1002.
- What is Zachary Holliday's phone number?
- The practice phone number listed in the NPPES registry for Zachary Holliday is (573) 882-8788.
- Does Zachary Holliday accept Medicare?
- Zachary Holliday is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Holliday's NPI active?
- Yes — Zachary Holliday's NPI (1306108790) is active in the NPPES registry as of the last update on 2023-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.