Alyssa Sieber, FNP
NPI 1912681370 · Family Nurse Practitioner · Denver, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Sieber, FNP is a Family Nurse Practitioner provider in Denver, CO (NPI 1912681370).
Provider details
- NPI number
- 1912681370
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- APN.0998352-NP (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
577 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 240 | $145 |
| 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 | 193 | $14 |
| 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 | 96 | $27 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 31 | $174 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 23 |
| Gabapentin | 20 |
| Duloxetine Hcl | 18 |
| Lorazepam | 18 |
| Omeprazole | 15 |
| Amlodipine Besylate | 13 |
| Oxycodone Hcl | 13 |
| Bupropion Hclbrand: Bupropion Xl | 12 |
| Pregabalin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-14
- Last updated
- 2024-12-11
- Certified
- 2024-12-11
Frequently asked questions
- What is Alyssa Sieber's NPI number?
- Alyssa Sieber's National Provider Identifier (NPI) is 1912681370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Sieber's specialty?
- Alyssa Sieber is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyssa Sieber located?
- Alyssa Sieber's practice location on file with NPPES is 680 N Clarkson St, Denver, CO 80218-3202.
- What is Alyssa Sieber's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Sieber is (720) 500-5488.
- Does Alyssa Sieber accept Medicare?
- Alyssa Sieber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Sieber's NPI active?
- Yes — Alyssa Sieber's NPI (1912681370) is active in the NPPES registry as of the last update on 2024-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.