Daniel Master, M.D.
NPI 1770798795 · Orthopaedic Hand Surgery Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Master, M.D. is a Orthopaedic Hand Surgery Physician provider in Boulder, CO (NPI 1770798795).
Provider details
- NPI number
- 1770798795
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A118932 (CA)
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
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
3,213 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) |
|---|---|---|
| Ct Scan of Leg Without Contrast73700 | 568 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 485 | $128 |
| Mri Scan of Leg Joint Without Contrast73721 | 390 | $148 |
| Mri Scan of Arm Joint Without Contrast73221 | 330 | $149 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 261 | $131 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 111 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$97 across 3 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
Registry dates
- Enumerated
- 2007-05-12
- Last updated
- 2017-08-21
Frequently asked questions
- What is Daniel Master's NPI number?
- Daniel Master's National Provider Identifier (NPI) is 1770798795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Master's specialty?
- Daniel Master is listed in the NPPES registry with a primary specialty of Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Master located?
- Daniel Master's practice location on file with NPPES is 4740 Pearl Pkwy Ste 200, Boulder, CO 80301-3080.
- What is Daniel Master's phone number?
- The practice phone number listed in the NPPES registry for Daniel Master is (303) 449-2730.
- Does Daniel Master accept Medicare?
- Daniel Master is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Master's NPI active?
- Yes — Daniel Master's NPI (1770798795) is active in the NPPES registry as of the last update on 2017-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.