1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Internal Medicine
  6. NPI Profile

XIAOLI MA, PC
NPI 1659407328
Internal Medicine - Gastroenterology in Philadelphia, PA

Active since February 26, 2007
121 N 9TH ST, PHILADELPHIA, PA 19107(215) 629-8866(215) 629-8867 Get Directions Write a Review

NPPES record last updated: July 23, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Xiaoli Ma, Pc NPPES

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

XIAOLI MA, PC (NPI 1659407328) is a healthcare organization registered as a gastroenterology in Philadelphia, Pennsylvania and active in the NPI registry since February 2007. The organization lists Xiaoli Ma, President, as its authorized official.

NPPES Registry Identity

NPI1659407328
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameXIAOLI MA, PC
Location Address121 N 9TH STPhiladelphia, PA 19107-2410
Mailing Address405 Dartmouth RdBryn Mawr, PA 19010-2123 · (484) 686-7779
Phone(215) 629-8866
Fax(215) 629-8867
Organization SubpartNo
Authorized OfficialXiaoli MaPresident · (215) 629-8866
Enumeration DateFebruary 26, 2007
Last NPPES UpdateJuly 23, 2011
✔ NPI 1659407328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in PA · MD065188L
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
121 N 9TH ST, Philadelphia, PA 19107
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Xiaoli Ma, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StatePennsylvaniaEnrollment IDO20070620000061Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Xiaoli Ma, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Xiaoli Ma, MD
Gastroenterology
NPI 1558300152
121 N 9TH ST
Philadelphia, PA 19107
(215) 629-8866
✔ PECOS✔ Accepts Medicare0.4 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
17%997 patients1/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
91%2,351 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
52%1,736 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 89% · 445 patients
100%445 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Xiaoli Ma, PC's NPI number?

The NPI number for Xiaoli Ma, PC is 1659407328. It was assigned to this organization in the NPPES registry on February 26, 2007.

Where is Xiaoli Ma, PC located?

Xiaoli Ma, PC is located at 121 N 9th St, Philadelphia, PA 19107. The listed phone number is (215) 629-8866.

What is Xiaoli Ma, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Xiaoli Ma, PC enrolled in Medicare?

Yes. Xiaoli Ma, PC is registered in the Medicare PECOS enrollment system.

When is Xiaoli Ma, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Pennsylvania, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Xiaoli Ma, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Xiaoli Ma, PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Xiaoli Ma, PC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Xiaoli Ma, PC 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.

When was this NPI record last updated?

The NPPES record for Xiaoli Ma, PC was last updated on July 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.