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DR. DIEGO LOPEZ DE CASTILLA KOSTER MD MPH
NPI 1982854352
Internal Medicine - Infectious Disease in Ocala, FL

Active since September 23, 2008PECOS EnrolledAccepts Medicare Assignment
99.21/100
CMS Quality Rating
2100 NW 35TH AVE RD, OCALA, FL 34475(352) 273-9804 Get Directions Write a Review

NPPES record last updated: February 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 27, 2025, Jun 28, 2024, Aug 30, 2018 (3 updates tracked since 2018).

About Dr. Diego Lopez De Castilla Koster Md Mph NPPES

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

DR. DIEGO LOPEZ DE CASTILLA KOSTER MD MPH (NPI 1982854352) is an individual infectious disease provider in Ocala, Florida, licensed in Washington (MD6033975) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Hendersonville, and maintains a secondary practice location in Kirkland.

NPPES Registry Identity

NPI1982854352
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. DIEGO LOPEZ DE CASTILLA KOSTERCredential: MD MPH
Location Address2100 NW 35TH AVE RDOcala, FL 34475
Mailing Address12303 Ne 130th Ln Ste 120Kirkland, WA 98034-3041 · (425) 899-5100
Phone(352) 273-9804
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateSeptember 23, 2008
Last NPPES UpdateFebruary 27, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 27, 2025
✔ NPI 1982854352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in WA · MD6033975✔ Licensed in NC · 2023-02895✔ Licensed in FL · ME164166
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.
2100 NW 35TH AVE RD, Ocala, FL 34475
Open in Google Maps ↗

Secondary Practice Location 1

Location 112303 NE 130th Ln Ste 120Kirkland, WA 98034-3041 · Phone (425) 899-5100

Other Identifiers 1

Medicaid1982854352NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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

Dr. Diego Lopez De Castilla Koster Md Mph 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 ID941581359
PECOS Enrollment IDI20161223000370, I20240518000678, I20251022003936
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

9

Medicare enrollment records show Diego Lopez De Castilla Koster reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Villages Regional Hospital Physician Services LLC
33 mi
Surgery
600 E DIXIE AVE
Leesburg, FL 34748
  • Reassigned Medicare billing, Florida enrollment
  • 354 clinicians in this Medicare group
NPI 1700669926 (352) 323-5001
Fletcher Hospital Inc
415 mi
Critical Access
101 HOSPITAL DR
Columbus, NC 28722
  • Reassigned Medicare billing, North Carolina enrollment
  • 349 clinicians in this Medicare group
NPI 1013747351 (828) 894-3311
Nhcs Physicians Inc
529 mi
Physician Assistant
2460 CURTIS ELLIS DRIVE
Rocky Mount, NC 27804
  • Reassigned Medicare billing, North Carolina and Washington enrollments
  • Also billed through NPI 1801252275 (Washington)
  • 205 clinicians in this Medicare group
NPI 1003028630 (252) 443-8540
Lawrence Physicians LLC
995 mi
Family Medicine
406 AMES ST
Baldwin City, KS 66006
  • Reassigned Medicare billing, Kansas enrollment
  • 281 clinicians in this Medicare group
NPI 1982011136 (785) 505-5404
St Nicholas Hospital-Sisters Of The Third Order Of St Francis
1,049 mi
Internal Medicine
3100 SUPERIOR AVE
Sheboygan, WI 53081
  • Reassigned Medicare billing, Washington enrollment
NPI 1447737762 (920) 459-5192
St Vincent Hospital-Hospital Sisters-Third Order Of St Francis
1,102 mi
Internal Medicine
835 S VAN BUREN ST
Green Bay, WI 54301
  • Reassigned Medicare billing, Washington enrollment
NPI 1689694911 (920) 433-8287
St Mary's Hospital Medical Center Of Green Bay Inc.-Hospital Sisters
1,105 mi
General Acute Care Hospital
1726 SHAWANO AVE
Green Bay, WI 54303
  • Reassigned Medicare billing, Washington enrollment
NPI 1649246877 (920) 498-4200
St Clare Memorial Hospital, Inc
1,128 mi
Critical Access
855 S MAIN ST
Oconto Falls, WI 54154
  • Reassigned Medicare billing, Washington enrollment
NPI 1851477913 (920) 846-3444
Public Hospital District No 2
2,470 mi
Family Medicine
22850 NE 8TH ST, STE 103
Sammamish, WA 98074
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: King County Public Hospital District No 2
  • 1,074 clinicians in this Medicare group
NPI 1417058694 (425) 898-0305

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 10

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
160 services81 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.
144 services91 patients
Removal of skin and tissue, 20.0 sq cm or less 11042
This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.
102 services41 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
88 services81 patients
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.
73 services50 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
60 services42 patients

Hospital Affiliations CMS Care Compare 2

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

Adventhealth Hendersonville

Acute Care Hospitals · Hendersonville, NC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340023
Location100 Hospital DriveHendersonville, NC 28792 · Henderson County
Emergency services Birthing friendly

Unc Health Nash

Acute Care Hospitals · Rocky Mount, NC
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340147
Location2460 Curtis Ellis DriveRocky Mount, NC 27804 · Nash County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34475 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.

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.

99.21/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality97.15
Promoting Interoperability100
Improvement Activities40
Cost83.57

Reported Quality Measures

Breast Cancer Screening
54%97 patients3/55-star benchmark: 93%
Cervical Cancer Screening
28%148 patients2/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
0%76 patients1/55-star benchmark: 87%
Colorectal Cancer Screening
31%289 patients2/55-star benchmark: 88%
Controlling High Blood Pressure
77%186 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
4%104 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
28%104 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
85%1,332 patients4/55-star benchmark: 100%
e-Prescribing
100%55 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
76%312 patients4/55-star benchmark: 100%
Functional Status Assessments for Heart Failure
0%24 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
33%658 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
10%536 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
38%634 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 93% · 252 patients
88%252 patients
Provide Patients Electronic Access to Their Health Information
100%194 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
80%284 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 16% · 264 patients
Patients totalRate: 24% · 264 patients
19%264 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Diego Lopez De Castilla Koster's NPI number?

The NPI number for Diego Lopez De Castilla Koster is 1982854352. It was assigned to this individual provider in the NPPES registry on September 23, 2008.

Where is Diego Lopez De Castilla Koster located?

Diego Lopez De Castilla Koster practices at 2100 NW 35th Ave Rd, Ocala, FL 34475. The listed phone number is (352) 273-9804.

What is Diego Lopez De Castilla Koster's specialty?

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

Is Diego Lopez De Castilla Koster enrolled in Medicare?

Yes. Diego Lopez De Castilla Koster 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 Diego Lopez De Castilla Koster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diego Lopez De Castilla Koster reassigns Medicare benefits to 9 organizations: Villages Regional Hospital Physician Services LLC (Leesburg, FL), Fletcher Hospital Inc (Columbus, NC), Nhcs Physicians Inc (Rocky Mount, NC), Lawrence Physicians LLC (Baldwin City, KS), St Nicholas Hospital-Sisters Of The Third Order Of St Francis (Sheboygan, WI) and 4 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 Diego Lopez De Castilla Koster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diego Lopez De Castilla Koster accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas City and 2 other insurers list Diego Lopez De Castilla Koster 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 Diego Lopez De Castilla Koster affiliated with any hospitals?

According to CMS data, Diego Lopez De Castilla Koster is affiliated with Adventhealth Hendersonville and Unc Health Nash.

When was this NPI record last updated?

The NPPES record for Diego Lopez De Castilla Koster was last updated on February 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.