FERNANDO ERNESTO CASADO CASTILLO M.D.
NPI 1528411774
Internal Medicine - Infectious Disease in Renton, WA

Q: What is Fernando Casado Castillo's NPI number?

The NPI number for Fernando Casado Castillo is 1528411774. It was assigned to this individual provider in the NPPES registry on July 22, 2016.

Q: What is Fernando Casado Castillo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Active since July 22, 2016PECOS EnrolledAccepts Medicare Assignment

69.16/100

CMS Quality Rating

4033 TALBOT RD S STE 570, RENTON, WA 98055(425) 690-3487(425) 690-9087 Get Directions Write a Review

NPPES record last updated: March 28, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 9, 2021, Jul 29, 2019 (2 updates tracked since 2019).

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About Fernando Ernesto Casado Castillo M.d. NPPES

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

FERNANDO ERNESTO CASADO CASTILLO M.D. (NPI 1528411774) is an individual infectious disease provider in Renton, Washington, licensed in Washington (MD61417522) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with Christus St Vincent Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1528411774

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameFERNANDO ERNESTO CASADO CASTILLOCredential: M.D.

Location Address4033 TALBOT RD S STE 570Renton, WA 98055-5700

Mailing Address2551 Holiday Rd Apt E5Coralville, IA 52241-2786 · (914) 309-4810

Phone(425) 690-3487

Fax(425) 690-9087

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJuly 22, 2016

Last NPPES UpdateMarch 28, 20242 updates tracked since enumeration

NPPES CertifiedMarch 28, 2024

✔ NPI 1528411774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

Licenses✔ Licensed in WA · MD61417522✔ Licensed in IA · MD-45957✔ Licensed in WI · 74676

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD61417522 (WA)

4033 TALBOT RD S STE 570, Renton, WA 98055

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Secondary Practice Locations 2

Location 1200 Hawkins Dr, Infectious DiseasesIowa City, IA 52242-1009 · Phone (319) 356-1616 · Fax (319) 356-4600

Location 21818 N Meade StAppleton, WI 54911-3454 · Phone (920) 735-7645

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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

Fernando Ernesto Casado Castillo M.d. 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 ID840525523

PECOS Enrollment IDI20230710003517, I20250312000977, I20250318000549

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

Medicare enrollment records show Fernando Casado Castillo reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valley Medical Group-Renton

0.1 mi

General Acute Care Hospital

400 S 43RD ST
Renton, WA 98055

Reassigned Medicare billing, Washington enrollment
689 clinicians in this Medicare group

NPI 1619209574 (425) 228-3440

South Sound Inpatient Physicians PLLC

0.6 mi

Hospitalist

400 S 43RD ST
Renton, WA 98055

Reassigned Medicare billing, Washington enrollment
915 clinicians in this Medicare group

NPI 1588821748 (425) 228-3450

St. Vincent Hospital

1,167 mi

Family Medicine

465 SAINT MICHAELS DR # 240
Santa Fe, NM 87505

Reassigned Medicare billing, Washington enrollment

NPI 1245438647 (505) 988-1232

Access Telecare, PLLC

1,671 mi

Internal Medicine

1717 MAIN ST STE 5850
Dallas, TX 75201

Reassigned Medicare billing, Arizona, Idaho, Montana, New Mexico and Washington enrollments
161 clinicians in this Medicare group

NPI 1013303080 (972) 449-0540

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 5

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.

431 services188 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.

160 services108 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.

125 services125 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services17 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

13 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Christus St Vincent Regional Medical Center

Acute Care Hospitals · Santa Fe, NM

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number320002

Location455 St Michael's DriveSanta Fe, NM 87505 · Santa Fe County

Emergency services Birthing friendly

Tacoma General Allenmore Hospital

Acute Care Hospitals · Tacoma, WA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500129

Location315 S Mlk Jr WayTacoma, WA 98405 · Pierce County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98055 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

$143.76 typical visit price

range $63.67 – $189.37

Typical copayment $35.94 (range $15.91 – $47.34)

Most-billed visit code 99204

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

69.16/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

55.76

Promoting Interoperability

Improvement Activities

Cost

78.94

Other Providers at the Same Location NPPES 9

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

MISS MICHELLE LYNN RODGERS P.A.-C

Physician Assistant (Medical)