DR. HAI SHAO M.D., PH.D.
NPI 1598841033
Internal Medicine - Infectious Disease in San Diego, CA
About Dr. Hai Shao M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAI SHAO M.D., PH.D. (NPI 1598841033) is an individual infectious disease provider in San Diego, California, licensed in California (A79601) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Hai Shao 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
3Medicare enrollment records show Hai Shao reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92130
- Reassigned Medicare billing, California enrollment
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 218 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92130 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92130
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 Hai Shao's NPI number?
The NPI number for Hai Shao is 1598841033. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Hai Shao located?
Hai Shao practices at 3525 Del Mar Heights Rd # 806, San Diego, CA 92130. The listed phone number is (619) 567-3205.
What is Hai Shao's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Hai Shao enrolled in Medicare?
Yes. Hai Shao 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 Hai Shao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hai Shao reassigns Medicare benefits to 3 organizations: Hai Shao MD. Phd, A Medical Corporation (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA) and On Call Specialists Medical Group Of San Diego, Inc. (San Diego, CA). 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 Hai Shao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hai Shao was last updated on February 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Hai Shao, M.D., PH.D. · NPI 1598841033
Infectious Disease physician in San Diego, California. Individual provider, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1598841033 (Entity type: Individual)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** A79601 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3525 DEL MAR HEIGHTS RD # 806, San Diego, CA 92130-2199
- **Phone:** (619) 567-3205
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Hai Shao MD. Phd, A Medical Corporation (NPI 1912178237, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); On Call Specialists Medical Group Of San Diego, Inc. (NPI 1962175836, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2001
## Record status
- **NPPES last updated:** February 2, 2015
- **Other identifiers:** Medicare PIN A79601 (CA); Medicare PIN WA79601C (CA); Medicaid 1598841033 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1598841033) · Data from the CMS NPPES public registry.