Quick answers
- Does Ana L. Guerrero accept Medicare assignment?
- Yes. Medicare's clinician data says Ana L. Guerrero accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Ana L. Guerrero see?
- In 2024, CMS data shows 42 Original Medicare patients and 121 services for Ana L. Guerrero. This counts Original Medicare only and measures volume, not quality.
- What is Ana L. Guerrero's NPI number?
- 1629564307. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ana L. Guerrero, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 42 |
|---|---|
| Services billed to Medicare | 121 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 57 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)51 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)39 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)16 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Depression75%
- Anxiety75%
- High blood pressure69%
- Diabetes43%
- Arthritis40%
Practice locations
Addresses where Ana L. Guerrero is enrolled with Medicare (CMS data updated October 2, 2026).
- 21 W Clarke Ave, Suite 1001Milford, DE 19963 (302) 855‑2024
- 21444 Carmean WayGeorge Town, DE 19947 (302) 855‑1233
- 21447 Carmean WayGeorgetown, DE 19947
Group practices
Medicare enrollment lists Ana L. Guerrero as a member of this group (CMS data updated October 2, 2026).
- La Red Health Center Inc23 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Milford
Clinicians with the same Medicare primary specialty in Milford, DE — not a recommendation.
Other clinicians in La Red Health Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Drexel University College Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629564307 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians