DR. HELEN HENG-SHAN MOON M.D.
NPI 1255480075
Internal Medicine - Hematology & Oncology in Pasadena, CA
About Dr. Helen Heng-shan Moon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HELEN HENG-SHAN MOON M.D. (NPI 1255480075) is an individual hematology & oncology provider in Pasadena, California, licensed in California (A91007) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Dr. Helen Heng-shan Moon 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.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91188
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 Helen Moon's NPI number?
The NPI number for Helen Moon is 1255480075. It was assigned to this individual provider in the NPPES registry on January 10, 2007. The provider is also known as Dr. Helen Heng-Shan Gu M.D..
Where is Helen Moon located?
Helen Moon practices at 393 E Walnut St Fl 3, Pasadena, CA 91188. The listed phone number is (951) 353-4931.
What is Helen Moon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Helen Moon enrolled in Medicare?
Yes. Helen Moon 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.
When was this NPI record last updated?
The NPPES record for Helen Moon was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Helen Heng-Shan Moon, M.D. · NPI 1255480075
Hematology & Oncology physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since January 10, 2007.
## Identity
- **NPI:** 1255480075 (Entity type: Individual)
- **Enumerated:** January 10, 2007
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** A91007 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 393 E WALNUT ST FL 3, Pasadena, CA 91188-0001
- **Phone:** (951) 353-4931
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** November 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1255480075) · Data from the CMS NPPES public registry.