Andrew Spears, M.D.
NPI 1144249665 · Gastroenterology Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Spears, M.D. is a Gastroenterology Physician provider in Boulder, CO (NPI 1144249665).
Provider details
- NPI number
- 1144249665
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 41729 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 301 | 295 |
| Omeprazole | 141 | 70 |
| Budesonidebrand: Budesonide Dr | 90 | 29 |
| Mesalamine | 47 | 13 |
| Colestipol Hcl | 28 | 13 |
| Lubiprostone | 28 | — |
| Pantoprazole Sodium | 28 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 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
- 2006-07-18
- Last updated
- 2022-02-11
Frequently asked questions
- What is Andrew Spears's NPI number?
- Andrew Spears's National Provider Identifier (NPI) is 1144249665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Spears's specialty?
- Andrew Spears is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Spears located?
- Andrew Spears's practice location on file with NPPES is 2915 Juilliard St, Boulder, CO 80305-7035.
- What is Andrew Spears's phone number?
- The practice phone number listed in the NPPES registry for Andrew Spears is (303) 356-8643.
- Does Andrew Spears accept Medicare?
- Andrew Spears is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Spears's NPI active?
- Yes — Andrew Spears's NPI (1144249665) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.