Anthony Guglielmo, FNP-BC
NPI 1538549811 · Nurse Practitioner · Denver, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Guglielmo, FNP-BC is a Nurse Practitioner provider in Denver, CO (NPI 1538549811).
Provider details
- NPI number
- 1538549811
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- C-APN.0002403-C-NP (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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 tenure28% of score
11 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
65 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 28 | $142 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 25 | $98 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 12 | $58 |
Typical Medicare-allowed amounts for these services range $58–$142 (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)
- 3827 N Lafayette StDenver, CO 80205-3339Phone: (303) 898-9230
- 1000 North Oak AvenueMarshfield, WI 54449-5703Phone: (715) 387-5511
Registry dates
- Enumerated
- 2015-06-02
- Last updated
- 2025-03-18
- Certified
- 2025-03-18
Frequently asked questions
- What is Anthony Guglielmo's NPI number?
- Anthony Guglielmo's National Provider Identifier (NPI) is 1538549811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Guglielmo's specialty?
- Anthony Guglielmo is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Anthony Guglielmo located?
- Anthony Guglielmo's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4507.
- What is Anthony Guglielmo's phone number?
- The practice phone number listed in the NPPES registry for Anthony Guglielmo is (303) 436-6000.
- Does Anthony Guglielmo accept Medicare?
- Anthony Guglielmo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Guglielmo's NPI active?
- Yes — Anthony Guglielmo's NPI (1538549811) is active in the NPPES registry as of the last update on 2025-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.