DR. HIROSHI ASHIKAGA M.D., PH.D.
NPI 1588685176
Internal Medicine - Cardiovascular Disease in Baltimore, MD
About Dr. Hiroshi Ashikaga M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HIROSHI ASHIKAGA M.D., PH.D. (NPI 1588685176) is an individual cardiovascular disease provider in Baltimore, Maryland, licensed in Maryland (D0061200) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Accepted 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. Hiroshi Ashikaga M.d., Ph.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.
Medicare Billing Reassignments
7Medicare enrollment records show Hiroshi Ashikaga reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 38 clinicians in this Medicare group
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 444 clinicians in this Medicare group
Kamuela, HI 96743
- Reassigned Medicare billing, Hawaii enrollment
- 277 clinicians in this Medicare group
Honolulu, HI 96825
- Reassigned Medicare billing, Hawaii enrollment
- 809 clinicians in this Medicare group
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 859 clinicians in this Medicare group
Aiea, HI 96701
- Reassigned Medicare billing, Hawaii enrollment
- 134 clinicians in this Medicare group
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 19
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Queens Medical Center
Acute Care Hospitals · Honolulu, HIPali Momi Medical Center
Acute Care Hospitals · Aiea, HINorth Hawaii Community Hospital, Inc
Acute Care Hospitals · Kamuela, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Hiroshi Ashikaga's NPI number?
The NPI number for Hiroshi Ashikaga is 1588685176. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is Hiroshi Ashikaga located?
Hiroshi Ashikaga practices at 600 N Wolfe St Carnegie 568, Baltimore, MD 21287. The listed phone number is (410) 614-2751.
What is Hiroshi Ashikaga's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Hiroshi Ashikaga enrolled in Medicare?
Yes. Hiroshi Ashikaga 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 Hiroshi Ashikaga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hiroshi Ashikaga reassigns Medicare benefits to 7 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Greater Baltimore Medical Center, Inc. (Baltimore, MD), Queens North Hawaii Community Hospital (Kamuela, HI), The Queens Medical Center (Honolulu, HI) and 2 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 Hiroshi Ashikaga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hiroshi Ashikaga accept?
Health plans from HMSA list Hiroshi Ashikaga 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 Hiroshi Ashikaga affiliated with any hospitals?
According to CMS data, Hiroshi Ashikaga is affiliated with The Queens Medical Center, Pali Momi Medical Center and North Hawaii Community Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Hiroshi Ashikaga was last updated on April 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Hiroshi Ashikaga, M.D., PH.D. · NPI 1588685176
Cardiovascular Disease physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 21, 2006.
## Identity
- **NPI:** 1588685176 (Entity type: Individual)
- **Enumerated:** July 21, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** D0061200 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, CARNEGIE 568, Baltimore, MD 21287-0005
- **Phone:** (410) 614-2751 · **Fax:** (410) 955-3478
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1023018413, Baltimore, MD); Johns Hopkins University (NPI 1487118048, Baltimore, MD); Greater Baltimore Medical Center, Inc. (NPI 1013739382, Baltimore, MD); Queens North Hawaii Community Hospital (NPI 1124009584, Kamuela, HI); The Queens Medical Center (NPI 1528691383, Honolulu, HI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** April 19, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1588685176) · Data from the CMS NPPES public registry.