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CHARLES DAVIS FNP-C
NPI 1891565669
Nurse Practitioner - Primary Care in Phoenix, AZ

Active since January 03, 2024PECOS EnrolledAccepts Medicare Assignment
3202 E GREENWAY RD STE 1401, PHOENIX, AZ 85032(888) 405-6396(415) 252-7176 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 16, 2025, Jan 3, 2024 (2 updates tracked since 2024).

About Charles Davis Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES DAVIS FNP-C (NPI 1891565669) is an individual primary care provider in Phoenix, Arizona, licensed in Arizona (327568) and active in the NPI registry since January 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1891565669
Entity TypeIndividualMale
Primary Taxonomy363LP2300X
Provider Legal NameCHARLES DAVISCredential: FNP-C
Location Address3202 E GREENWAY RD STE 1401Phoenix, AZ 85032-4511
Mailing Address875 W Pecos Rd Apt 2017Chandler, AZ 85225-7607 · (215) 900-7000
Phone(888) 405-6396
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 3, 2024
Last NPPES UpdateDecember 16, 20252 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
✔ NPI 1891565669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in AZ · 327568
3202 E GREENWAY RD STE 1401, Phoenix, AZ 85032
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles Davis Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921450602
PECOS Enrollment IDI20250916000549
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Charles Davis reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Iora Senior Health, LLC
Same address
Internal Medicine
3202 E GREENWAY RD
Phoenix, AZ 85032
  • Reassigned Medicare billing, Arizona enrollment
  • 123 clinicians in this Medicare group
NPI 1659790921 (888) 663-6331
Arizona Post-Acute Medical Services 1 PC
11 mi
Hospitalist
2509 N 24TH ST
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 66 clinicians in this Medicare group
NPI 1093254419 (602) 789-0344
Mulberry Medical LLC
19 mi
Family Medicine
5801 S MCCLINTOCK DR STE 104
Tempe, AZ 85283
  • Reassigned Medicare billing, Arizona enrollment
  • 42 clinicians in this Medicare group
NPI 1831980986 (623) 220-2601
Nm Pacs 2 LLC
330 mi
Hospitalist
10101 LAGRIMA DE ORO RD NE
Albuquerque, NM 87111
  • Reassigned Medicare billing, Arizona enrollment
  • 64 clinicians in this Medicare group
NPI 1366928749 (865) 693-1000
Cs Pacs 3 West LLC
621 mi
Hospitalist
1002 W FREMONT AVE
Sunnyvale, CA 94087
  • Reassigned Medicare billing, Arizona enrollment
  • 56 clinicians in this Medicare group
NPI 1073378238 (408) 739-2383
Cs Pacs 3 Northeast, LLC
1,953 mi
Hospitalist
30 NORTH PL
Frederick, MD 21701
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 60 clinicians in this Medicare group
NPI 1093598898 (301) 695-6618
Inpatient Consultants Of Pennsylvania PC
2,048 mi
Hospitalist
111 CONTINENTAL DR, SUITE 406
Newark, DE 19713
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 63 clinicians in this Medicare group
NPI 1033376231 (302) 368-2630
Nj Pacs 2 PA
2,105 mi
Hospitalist
84 COLD HILL RD
Mendham, NJ 07945
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 64 clinicians in this Medicare group
NPI 1740766195 (865) 693-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
590 services169 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
110 services73 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
29 services26 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
16 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEE AKERSON PA-C
Physician Assistant
3202 E GREENWAY RD STE 1401
PHOENIX, AZ 85032
Maricopa County (888) 405-6396
MS. MARJA DEMPSEY AGACNP-BC, FNP
Nurse Practitioner (Acute Care)
3202 E GREENWAY RD STE 1401
PHOENIX, AZ 85032
Maricopa County (602) 325-5577
PAUL S LAVEN DO
Family Medicine
3202 E GREENWAY RD STE 1401
PHOENIX, AZ 85032
Maricopa County (888) 405-6396
DAVID E NAGATA MD
Internal Medicine
3202 E GREENWAY RD STE 1401
PHOENIX, AZ 85032
Maricopa County (888) 405-6396
KATRINA CASTRO PSYD
Psychologist
3202 E GREENWAY RD STE 1401
PHOENIX, AZ 85032
Maricopa County (602) 346-7065

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Davis's NPI number?

The NPI number for Charles Davis is 1891565669. It was assigned to this individual provider in the NPPES registry on January 3, 2024.

Where is Charles Davis located?

Charles Davis practices at 3202 E Greenway Rd Ste 1401, Phoenix, AZ 85032. The listed phone number is (888) 405-6396.

What is Charles Davis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Charles Davis enrolled in Medicare?

Yes. Charles Davis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Charles Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Davis reassigns Medicare benefits to 8 organizations: Iora Senior Health, LLC (Phoenix, AZ), Arizona Post-Acute Medical Services 1 PC (Phoenix, AZ), Mulberry Medical LLC (Tempe, AZ), Nm Pacs 2 LLC (Albuquerque, NM), Cs Pacs 3 West LLC (Sunnyvale, CA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Davis accept?

Health plans from Oscar Health Plan, Inc. list Charles Davis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Charles Davis was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.