STANLEY H. MA P.A.
NPI 1871881755
Physician Assistant in Sunnyvale, CA

Active since July 13, 2011PECOS EnrolledAccepts Medicare Assignment
301 OLD SAN FRANCISCO RD, SUNNYVALE, CA 94086(408) 730-4360 Get Directions Write a Review

NPPES record last updated: September 2, 2021. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Stanley H. Ma P.a. NPPES

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

STANLEY H. MA P.A. (NPI 1871881755) is an individual physician assistant in Sunnyvale, California, licensed in California (PA21685) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1871881755
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameSTANLEY H. MACredential: P.A.
Location Address301 OLD SAN FRANCISCO RDSunnyvale, CA 94086-6386
Mailing Address325 Distel CirLos Altos, CA 94022-1408
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 13, 2011
Last NPPES UpdateSeptember 2, 2021
NPPES CertifiedSeptember 2, 2021
✔ NPI 1871881755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA21685
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA21685 (CA)
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License PA21685 (CA)
301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086

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

Stanley H. Ma P.a. 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 ID1951571975
PECOS Enrollment IDI20110831000293
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 4

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
69 services60 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services45 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
39 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94086 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Social Worker (Clinical)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Physical Therapist
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner (Family)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086

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 Stanley Ma's NPI number?

The NPI number for Stanley Ma is 1871881755. It was assigned to this individual provider in the NPPES registry on July 13, 2011.

Where is Stanley Ma located?

Stanley Ma practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-4360.

What is Stanley Ma's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Stanley Ma enrolled in Medicare?

Yes. Stanley 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 Stanley Ma was last updated on September 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.