DR. LY THIEN MA M.D.
NPI 1699069385
Pathology - Anatomic Pathology & Clinical Pathology in Phoenix, AZ

Active since May 31, 2011PECOS EnrolledAccepts Medicare Assignment
81.78/100
CMS Quality Rating
424 S 56TH ST STE 120, PHOENIX, AZ 85034(602) 685-5211(602) 685-5325 Get Directions Write a Review

NPPES record last updated: August 4, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 4, 2020, Dec 15, 2017 (2 updates tracked since 2017).

About Dr. Ly Thien Ma M.d. NPPES

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

DR. LY THIEN MA M.D. (NPI 1699069385) is an individual anatomic pathology & clinical pathology provider in Phoenix, Arizona, licensed in Arizona (47836) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1699069385
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. LY THIEN MACredential: M.D.
Location Address424 S 56TH ST STE 120Phoenix, AZ 85034-2177
Mailing AddressPo Box 42210Phoenix, AZ 85080-2210 · (623) 266-7770 · Fax (623) 322-4639
Fax(602) 685-5325
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateMay 31, 2011
Last NPPES UpdateAugust 4, 20202 updates tracked since enumeration
NPPES CertifiedAugust 4, 2020
NPI 1699069385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in AZ · 47836
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
424 S 56TH ST STE 120, Phoenix, AZ 85034

Secondary Practice Location 1

Location 1424 S 56th St Ste 110Phoenix, AZ 85034-2177 · Phone (602) 685-5211 · Fax (602) 685-5325

Other Identifiers 1

Medicaid825075AZ

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. Ly Thien Ma 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.

PECOS PAC ID4385885847
PECOS Enrollment IDI20201113001854
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
1,321 services573 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
1,149 services495 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
260 services182 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
215 services82 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
178 services154 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
165 services45 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85034 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

81.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.57
Improvement Activities40

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.

Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034
Pathology (Anatomic Pathology & Clinical Pathology)
424 S 56TH ST STE 120
PHOENIX, AZ 85034

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 Ly Ma's NPI number?

The NPI number for Ly Ma is 1699069385. It was assigned to this individual provider in the NPPES registry on May 31, 2011.

Where is Ly Ma located?

Ly Ma practices at 424 S 56th St Ste 120, Phoenix, AZ 85034. The listed phone number is (602) 685-5211.

What is Ly Ma's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Ly Ma enrolled in Medicare?

Yes. Ly Ma 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 Ly Ma was last updated on August 4, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.