Hugh Hallmark, MD
NPI 1154317006 · Hospitalist Physician · Castle Rock, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hugh Hallmark, MD is a Hospitalist Physician provider in Castle Rock, CO (NPI 1154317006).
Provider details
- NPI number
- 1154317006
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26501 (CO)
Specialties & taxonomies
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
442 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 380 | $142 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 26 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $77 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $131 |
Typical Medicare-allowed amounts for these services range $77–$142 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-26
- Last updated
- 2014-07-15
Frequently asked questions
- What is Hugh Hallmark's NPI number?
- Hugh Hallmark's National Provider Identifier (NPI) is 1154317006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hugh Hallmark's specialty?
- Hugh Hallmark is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Hugh Hallmark located?
- Hugh Hallmark's practice location on file with NPPES is 2350 Meadows Blvd, Castle Rock, CO 80109-8405.
- What is Hugh Hallmark's phone number?
- The practice phone number listed in the NPPES registry for Hugh Hallmark is (720) 455-3879.
- Does Hugh Hallmark accept Medicare?
- Hugh Hallmark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hugh Hallmark's NPI active?
- Yes — Hugh Hallmark's NPI (1154317006) is active in the NPPES registry as of the last update on 2014-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.