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DR. ALEXANDRIA TIMMER MD
NPI 1962039404
Pediatrics in Jacksonville, FL

Active since March 25, 2020PECOS Enrolled
841 PRUDENTIAL DR STE 1900, JACKSONVILLE, FL 32207(904) 633-0920(904) 633-0921 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alexandria Timmer Md NPPES

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

DR. ALEXANDRIA TIMMER MD (NPI 1962039404) is an individual pediatrics provider in Jacksonville, Florida, licensed in Florida (160755) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962039404
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ALEXANDRIA TIMMERCredential: MD
Location Address841 PRUDENTIAL DR STE 1900Jacksonville, FL 32207-8373
Mailing AddressPo Box 44008Jacksonville, FL 32231-4008 · (904) 383-1015 · Fax (904) 244-8172
Phone(904) 633-0920
Fax(904) 633-0921
Sole ProprietorNo
Enumeration DateMarch 25, 2020
Last NPPES UpdateJuly 15, 2025
NPPES CertifiedJuly 15, 2025
✔ NPI 1962039404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in FL · 160755
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
841 PRUDENTIAL DR STE 1900, Jacksonville, FL 32207
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandria Timmer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Alexandria Timmer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Florida Jacksonville Physicians Inc
2.0 mi
Neurological Surgery
580 W 8TH ST, UFJP NEUROSURGERY
Jacksonville, FL 32209
  • Reassigned Medicare billing, Florida enrollment
  • 1,456 clinicians in this Medicare group
NPI 1225298599 (904) 244-3660
Community Hospice Of Northeast Florida Inc
8.5 mi
Hospice and Palliative Medicine
4266 SUNBEAM RD
Jacksonville, FL 32257
  • Reassigned Medicare billing, Florida enrollment
  • 63 clinicians in this Medicare group
NPI 1932393717 (904) 407-6231

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32207 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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 13

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

DR. RACHEL LYNNE SHARP DNP-FNP, APRN
Nurse Practitioner (Family)
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 633-0920
NATALIE MIXSON SHALLOW DNP, APRN, FNP-BC
Nurse Practitioner (Family)
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 427-8453
KAITLYN DIETZ RDN, LDN
Dietitian, Registered
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 427-0517
MRS. AMYSUE GALLAGHER LCSW
Developmental Therapist
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 633-9020
JEANINE ONISCHUCK N.P.
Nurse Practitioner (Family)
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 427-7076
SHEALY AGHAMALIAN PA-C
Physician Assistant
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 633-0926
MRS. YEMILA LOWRY RDN, LDN
Dietitian, Registered (Nutrition, Metabolic)
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 427-8453
KATHERINE SMITH RDN, LDN
Dietitian, Registered
841 PRUDENTIAL DR STE 1900
JACKSONVILLE, FL 32207
Duval County (904) 427-8451

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 Alexandria Timmer's NPI number?

The NPI number for Alexandria Timmer is 1962039404. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Alexandria Timmer located?

Alexandria Timmer practices at 841 Prudential Dr Ste 1900, Jacksonville, FL 32207. The listed phone number is (904) 633-0920.

What is Alexandria Timmer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Alexandria Timmer enrolled in Medicare?

Yes. Alexandria Timmer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexandria Timmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandria Timmer reassigns Medicare benefits to 2 organizations: University Of Florida Jacksonville Physicians Inc (Jacksonville, FL) and Community Hospice Of Northeast Florida Inc (Jacksonville, FL). 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 Alexandria Timmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandria Timmer accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Alexandria Timmer 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 Alexandria Timmer was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.