ANGELA ELAINE CARREON GUADAGNI FNP
NPI 1649361908
Nurse Practitioner in Napa, CA
NPI Status: Active since September 28, 2006
Contact Information
300 HARTLE CT
NAPA, CA
ZIP 94559
Phone: (707) 254-1775
Fax: (707) 251-1779
- Individual
- Female
- Nurse Practitioner
- PECOS Enrolled
About ANGELA GUADAGNI
This page provides the complete NPI Profile along with additional information for Angela Guadagni, a provider established in Napa, California with a medical specialization in Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1649361908 assigned on September 2006. The practitioner's primary taxonomy code is 363L00000X with license number NP16768 (CA). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1649361908
- Provider Name
- ANGELA ELAINE CARREON GUADAGNI FNP
- Other Name
- ANGELA ELAINE CARREON
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 300 HARTLE CT NAPA, CA 94559
- Location Phone
- (707) 254-1775
- Location Fax
- (707) 251-1779
- Mailing Address
- 1141 PEAR TREE LN STE 100 NAPA, CA 94558
- Mailing Phone
- (707) 254-1770
- Mailing Fax
- (707) 251-1779
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-28-2006
- Last Update Date
- 02-11-2026
- Code Navigator
A nurse practitioner (NP) like Angela Guadagni is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
Location Map
Secondary Locations
- 1141 Pear Tree Ln
Napa, CA 94558
(707) 254-1770
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Nurse Practitioner
- Taxonomy Code
- 363L00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- NP16768
- License State
- CA
- Taxonomy Description
- (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Medicare Participation & PECOS Enrollment Status
Angela Guadagni is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Durable Medical Equipment
DME-Other DME (DE017N)
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)
9 DME suppliers used 67 Medicare Claims 190 Services Paid
DME-Medical/Surgical Supplies (DA000N)
Lancets, per box of 100 (HCPCS:A4259)
9 DME suppliers used 30 Medicare Claims 44 Services Paid
DME-Other DME (DE001N)
Continuous positive airway pressure (cpap) device (HCPCS:E0601)
2 DME suppliers used 13 Medicare Claims 13 Services Paid
DME-Wheelchairs (DD000N)
Standard wheelchair (HCPCS:K0001)
3 DME suppliers used 16 Medicare Claims 16 Services Paid
DME-Other DME (DE017N)
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)
3 DME suppliers used 19 Medicare Claims 19 Services Paid
Physician Visit Costs
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 94559 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $98.97
- Minimum New Patient Price $65.08
- Maximum New Patient Price $192.16
- Average New Patient Copayment $24.74
- Minimum New Patient Copayment $16.27
- Maximum New Patient Copayment $48.04
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $113.15
- Minimum Established Patient Price $21.86
- Maximum Established Patient Price $157.83
- Average Established Patient Copayment $28.28
- Minimum Established Patient Copayment $5.46
- Maximum Established Patient Copayment $39.45
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
Reviews for ANGELA ELAINE CARREON GUADAGNI FNP
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1649361908, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 72 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649361908, enumerated as an "individual" on September 28, 2006.
The provider is located at 300 HARTLE CT NAPA, CA 94559 and the phone number is (707) 254-1775.
Nurse Practitioner with taxonomy code 363L00000X.
