WALTER R CASTRO MD
NPI 1659909851
Internal Medicine in Jacksonville, FL

Active since April 01, 2020PECOS EnrolledAccepts Medicare Assignment
655 W 8TH ST, JACKSONVILLE, FL 32209(904) 383-1002 Get Directions Write a Review

NPPES record last updated: June 11, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 11, 2023, Apr 1, 2020 (2 updates tracked since 2020).

About Walter R Castro Md NPPES

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

WALTER R CASTRO MD (NPI 1659909851) is an individual internal medicine provider in Jacksonville, Florida, licensed in Florida (ME161136) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1659909851
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWALTER R CASTROCredential: MD
Location Address655 W 8TH STJacksonville, FL 32209-6511
Mailing Address655 W 8th StJacksonville, FL 32209-6511
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 1, 2020
Last NPPES UpdateJune 11, 20232 updates tracked since enumeration
NPPES CertifiedJune 11, 2023
NPI 1659909851 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in FL · ME161136
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

655 W 8TH ST, Jacksonville, FL 32209

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Walter R Castro Md 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 ID5496128654
PECOS Enrollment IDI20230308003306
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.

Areas of Expertise CMS Part B claims 3

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 hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
89 services37 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
23 services12 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Shands Jacksonville

Acute Care Hospitals · Jacksonville, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100001
Location655 W 8th StJacksonville, FL 32209 · Duval County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32209 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
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 20

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

Internal Medicine (Rheumatology)
655 W 8TH ST, UFJP RHEUMATOLOGY DEPT.
JACKSONVILLE, FL 32209
Emergency Medicine
655 W 8TH ST, UFJP EMERGENCY MEDICINE
JACKSONVILLE, FL 32209
Obstetrics & Gynecology (Gynecologic Oncology)
655 W 8TH ST, UNIVERSITY OF FLORIDA CENTER FOR WOMEN
JACKSONVILLE, FL 32209
Anesthesiology
655 W 8TH ST, UFJP ANESTHESIA DEPT.
JACKSONVILLE, FL 32209
Orthopaedic Surgery
655 W 8TH ST, UFJP ORTHOPEDICS
JACKSONVILLE, FL 32209
Anesthesiology
655 W 8TH ST, UFJP ANESTHESIA
JACKSONVILLE, FL 32209
Surgery
655 W 8TH ST
JACKSONVILLE, FL 32209
Family Medicine
655 W 8TH ST, UFJP CHFM - 4TH FLOOR ACC
JACKSONVILLE, FL 32209

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 Walter Castro's NPI number?

The NPI number for Walter Castro is 1659909851. It was assigned to this individual provider in the NPPES registry on April 1, 2020.

Where is Walter Castro located?

Walter Castro practices at 655 W 8th St, Jacksonville, FL 32209. The listed phone number is (904) 383-1002.

What is Walter Castro's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Walter Castro enrolled in Medicare?

Yes. Walter Castro 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.

What insurance does Walter Castro accept?

Health plans from Molina Healthcare list Walter Castro 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.

Is Walter Castro affiliated with any hospitals?

According to CMS data, Walter Castro is affiliated with Shands Jacksonville.

When was this NPI record last updated?

The NPPES record for Walter Castro was last updated on June 11, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.