Kristen Barrett, MD
NPI 1538455704 · Gastroenterology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Barrett, MD is a Gastroenterology Physician provider in Tucson, AZ (NPI 1538455704).
Provider details
- NPI number
- 1538455704
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- RS2011-0290 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
136 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 35 Minutes99232 | 57 | $76 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 42 | $127 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 19 | $78 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 18 | $83 |
Typical Medicare-allowed amounts for these services range $76–$127 (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
Additional practice locations (2)
- 2211 Lomas Blvd NeAlbuquerque, NM 87106-2745Phone: (505) 272-2111
- 4545 Cordata Pkwy Ste 1bBellingham, WA 98226-7264Phone: (360) 752-5216Fax: (360) 752-5669
Registry dates
- Enumerated
- 2011-06-25
- Last updated
- 2024-09-10
- Certified
- 2024-09-10
Frequently asked questions
- What is Kristen Barrett's NPI number?
- Kristen Barrett's National Provider Identifier (NPI) is 1538455704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Barrett's specialty?
- Kristen Barrett is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Barrett located?
- Kristen Barrett's practice location on file with NPPES is 1601 W Saint Marys Rd, Tucson, AZ 85745-2623.
- What is Kristen Barrett's phone number?
- The practice phone number listed in the NPPES registry for Kristen Barrett is (520) 872-3000.
- Does Kristen Barrett accept Medicare?
- Kristen Barrett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Barrett's NPI active?
- Yes — Kristen Barrett's NPI (1538455704) is active in the NPPES registry as of the last update on 2024-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.