Kristen Thomsen, MD
NPI 1841216884 · Family Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Thomsen, MD is a Family Medicine Physician provider in Phoenix, AZ (NPI 1841216884).
Provider details
- NPI number
- 1841216884
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 47902 (AZ)
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
19 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
978 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 330 | $117 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 257 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 237 | $6 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 44 | $35 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 42 | $50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 232 | 66 |
| Atorvastatin Calcium | 231 | 74 |
| Lisinopril | 159 | 45 |
| Amlodipine Besylate | 116 | 37 |
| Losartan Potassium | 105 | 31 |
| Hydrochlorothiazide | 94 | 25 |
| Omeprazole | 92 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2014-02-07
Frequently asked questions
- What is Kristen Thomsen's NPI number?
- Kristen Thomsen's National Provider Identifier (NPI) is 1841216884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Thomsen's specialty?
- Kristen Thomsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Thomsen located?
- Kristen Thomsen's practice location on file with NPPES is 2640 W Baseline Rd, Phoenix, AZ 85041-6492.
- What is Kristen Thomsen's phone number?
- The practice phone number listed in the NPPES registry for Kristen Thomsen is (480) 677-8282.
- Does Kristen Thomsen accept Medicare?
- Kristen Thomsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Thomsen's NPI active?
- Yes — Kristen Thomsen's NPI (1841216884) is active in the NPPES registry as of the last update on 2014-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.