ANNE MAO
NPI 1700402971
Internal Medicine in Philadelphia, PA
About Anne Mao NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNE MAO (NPI 1700402971) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MT220092) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Temple University School Of Medicine (2020).
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
Anne Mao 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
2Medicare enrollment records show Anne Mao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 752 clinicians in this Medicare group
Henderson, NC 27536
- Reassigned Medicare billing, North Carolina enrollment
- 636 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19140 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.
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
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 Anne Mao's NPI number?
The NPI number for Anne Mao is 1700402971. It was assigned to this individual provider in the NPPES registry on June 23, 2020.
Where is Anne Mao located?
Anne Mao practices at 3401 N Broad St, Philadelphia, PA 19140. The listed phone number is (267) 858-9424.
What is Anne Mao's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anne Mao enrolled in Medicare?
Yes. Anne Mao 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 Anne Mao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Mao reassigns Medicare benefits to 2 organizations: University Of Penn-Medical Group (Philadelphia, PA) and Duke University Affiliated Physicians, Inc. (Henderson, NC). 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 Anne Mao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anne Mao accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Cigna Healthcare list Anne Mao 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 Anne Mao affiliated with any hospitals?
According to CMS data, Anne Mao is affiliated with Duke University Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Anne Mao was last updated on June 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Anne Mao · NPI 1700402971
Internal Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 23, 2020.
## Identity
- **NPI:** 1700402971 (Entity type: Individual)
- **Enumerated:** June 23, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MT220092 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3401 N BROAD ST, Philadelphia, PA 19140-5103
- **Phone:** (267) 858-9424
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Penn-Medical Group (NPI 1386751089, Philadelphia, PA); Duke University Affiliated Physicians, Inc. (NPI 1932137676, Henderson, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** June 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1700402971) · Data from the CMS NPPES public registry.