Keri Halsema, NP
NPI 1720270101 · Adult Health Nurse Practitioner · Aurora, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keri Halsema, NP is a Adult Health Nurse Practitioner provider in Aurora, CO (NPI 1720270101).
Provider details
- NPI number
- 1720270101
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 14045 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
363 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 236 | $121 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 82 | $26 |
| Biopsy and Aspiration of Bone Marrow Sample for Diagnosis38222 | 27 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $82 |
Typical Medicare-allowed amounts for these services range $26–$121 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 104 | 52 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 38 | 26 |
| Apixabanbrand: Eliquis | 32 | 12 |
| Prochlorperazine Maleate | 31 | 14 |
| Potassium Chloride | 26 | 15 |
| Levofloxacin | 23 | 14 |
| Mirtazapine | 23 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,640 across 23 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
- 2007-08-09
- Last updated
- 2018-10-18
Frequently asked questions
- What is Keri Halsema's NPI number?
- Keri Halsema's National Provider Identifier (NPI) is 1720270101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keri Halsema's specialty?
- Keri Halsema is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Keri Halsema located?
- Keri Halsema's practice location on file with NPPES is 12605 E 16th Ave, Aurora, CO 80045-2545.
- What is Keri Halsema's phone number?
- The practice phone number listed in the NPPES registry for Keri Halsema is (720) 848-0000.
- Does Keri Halsema accept Medicare?
- Keri Halsema is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keri Halsema's NPI active?
- Yes — Keri Halsema's NPI (1720270101) is active in the NPPES registry as of the last update on 2018-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.