Christopher Holladay, DO
NPI 1831544717 · Hospitalist Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Holladay, DO is a Hospitalist Physician provider in Marietta, GA (NPI 1831544717).
Provider details
- NPI number
- 1831544717
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 82637 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
1,131 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 483 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 293 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 173 | $107 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 140 | $164 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 21 | $78 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 25 | 23 |
| Atorvastatin Calcium | 18 | 15 |
| Amlodipine Besylate | 17 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 14 | — |
| Prednisone | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-28
- Last updated
- 2019-09-26
Frequently asked questions
- What is Christopher Holladay's NPI number?
- Christopher Holladay's National Provider Identifier (NPI) is 1831544717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Holladay's specialty?
- Christopher Holladay is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Holladay located?
- Christopher Holladay's practice location on file with NPPES is 677 Church St Ne, Marietta, GA 30060-1101.
- What is Christopher Holladay's phone number?
- The practice phone number listed in the NPPES registry for Christopher Holladay is (770) 793-5913.
- Does Christopher Holladay accept Medicare?
- Christopher Holladay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Holladay's NPI active?
- Yes — Christopher Holladay's NPI (1831544717) is active in the NPPES registry as of the last update on 2019-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.