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NICOLAS ALAN VILLANUEVA MD
NPI 1346683463
Internal Medicine - Hematology & Oncology in Honolulu, HI

Active since April 08, 2013PECOS EnrolledAccepts Medicare Assignment
321 N KUAKINI ST STE 412, HONOLULU, HI 96817(808) 531-8521 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 12, 2023, Jun 20, 2019, Oct 18, 2018 (3 updates tracked since 2018).

About Nicolas Alan Villanueva Md NPPES

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

NICOLAS ALAN VILLANUEVA MD (NPI 1346683463) is an individual hematology & oncology provider in Honolulu, Hawaii, licensed in Hawaii (20183) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2013).

NPPES Registry Identity

NPI1346683463
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameNICOLAS ALAN VILLANUEVACredential: MD
Location Address321 N KUAKINI ST STE 412Honolulu, HI 96817
Mailing Address321 N Kuakini St Ste 404Honolulu, HI 96817-2360 · (808) 772-4743 · Fax (808) 772-4036
Phone(808) 531-8521
Sole ProprietorNo
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2013
Enumeration DateApril 8, 2013
Last NPPES UpdateJanuary 12, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2023
✔ NPI 1346683463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in HI · 20183
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
321 N KUAKINI ST STE 412, Honolulu, HI 96817
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.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

Nicolas Alan Villanueva 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 ID5698061257
PECOS Enrollment IDI20190618001291
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 9

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 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.
230 services38 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.
214 services38 patients
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.
94 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
72 services41 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
53 services34 patients
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.
50 services28 patients

Hospital Affiliations CMS Care Compare 2

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

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120001
Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County
Emergency services Birthing friendly

Kuakini Medical Center

Acute Care Hospitals · Honolulu, HI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120007
Location347 North Kuakini StreetHonolulu, HI 96817 · Honolulu County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96817 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
$180.05 typical visit price
range $60.53 – $180.05
Typical copayment $45.01 (range $15.13 – $45.01)
Most-billed visit code 99205
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims7,292 services$0.31 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

SHAUN C DONEGAN MD
Internal Medicine (Medical Oncology)
321 N KUAKINI ST STE 412
HONOLULU, HI 96817
Honolulu County (808) 531-8521
HAWAII ONCOLOGY INC
Internal Medicine (Hematology & Oncology)
321 N KUAKINI ST STE 412
HONOLULU, HI 96817
Honolulu County (808) 772-4743
JODI AKEMI KAGIHARA M.D.
Internal Medicine (Hematology & Oncology)
321 N KUAKINI ST STE 412
HONOLULU, HI 96817
Honolulu County (808) 531-8521

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 Nicolas Villanueva's NPI number?

The NPI number for Nicolas Villanueva is 1346683463. It was assigned to this individual provider in the NPPES registry on April 8, 2013.

Where is Nicolas Villanueva located?

Nicolas Villanueva practices at 321 N Kuakini St Ste 412, Honolulu, HI 96817. The listed phone number is (808) 531-8521.

What is Nicolas Villanueva's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Nicolas Villanueva enrolled in Medicare?

Yes. Nicolas Villanueva 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 Nicolas Villanueva accept?

Health plans from HMSA list Nicolas Villanueva 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 Nicolas Villanueva affiliated with any hospitals?

According to CMS data, Nicolas Villanueva is affiliated with The Queens Medical Center and Kuakini Medical Center.

When was this NPI record last updated?

The NPPES record for Nicolas Villanueva was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.