MS. PEIR GEN CHIU GNP
NPI 1326112350
Registered Nurse - General Practice in San Francisco, CA

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment
1520 STOCKTON ST, SAN FRANCISCO, CA 94133(415) 391-9686(415) 433-4726 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Peir Gen Chiu Gnp NPPES

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

MS. PEIR GEN CHIU GNP (NPI 1326112350) is an individual general practice provider in San Francisco, California, licensed in California (I2088) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2000).

NPPES Registry Identity

NPI1326112350
Entity TypeIndividualFemale
Primary Taxonomy163WG0000X
Provider Legal NameMS. PEIR GEN CHIUCredential: GNP
Location Address1520 STOCKTON STSan Francisco, CA 94133
Mailing Address1520 Stockton StSan Francisco, CA 94133 · (415) 391-9686 · Fax (415) 433-4726
Fax(415) 433-4726
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2000
Enumeration DateNovember 20, 2006
Last NPPES UpdateMarch 7, 2023
✔ NPI 1326112350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · General PracticeNursing Service Providers
Taxonomy Code163WG0000X
License✔ Licensed in CA · I2088
1520 STOCKTON ST, San Francisco, CA 94133

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

Ms. Peir Gen Chiu Gnp 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 ID7911062591
PECOS Enrollment IDI20090227000051
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.

Medicare Billing Reassignment

Medicare enrollment records show Peir Gen Chiu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
1520 STOCKTON STREET
San Francisco, CA 94133
  • Reassigned Medicare billing, California enrollment
  • 176 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 18

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
266 services213 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
186 services178 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
176 services167 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test 85027
A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.
176 services170 patients
Vitamin d-3 level 82306
A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.
163 services160 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
131 services120 patients

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Cane, includes canes of all materials, adjustable or fixed, with tip E0100
DME-Other DME · category DE000N
2 suppliers16 claims16 services$12.70 avg. paid by Medicare
Lumbar orthosis, sagittal control, with rigid posterior panel(s), posterior extends from l-1 to below l-5 vertebra, produces intracavitary pressure to reduce load on the intervertebral discs, includes straps, closures, may include padding, stays, shoulder straps, pendulous abdomen design, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L0626
DME-Orthotic Devices · category DF007N
2 suppliers14 claims14 services$34.93 avg. paid by Medicare
Knee orthosis, elastic with condylar pads and joints, with or without patellar control, prefabricated, includes fitting and adjustment L1820
DME-Orthotic Devices · category DF011N
2 suppliers11 claims12 services$84.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 (Rheumatology)
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Dentist
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Internal Medicine
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Licensed Vocational Nurse
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Student in an Organized Health Care Education/Training Program
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Dentist (General Practice)
1520 STOCKTON ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
1520 STOCKTON ST
SAN FRANCISCO, CA 94133

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 Peir Gen Chiu's NPI number?

The NPI number for Peir Gen Chiu is 1326112350. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Peir Gen Chiu located?

Peir Gen Chiu practices at 1520 Stockton St, San Francisco, CA 94133. The listed phone number is (415) 391-9686.

What is Peir Gen Chiu's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in General Practice, with taxonomy code 163WG0000X.

Is Peir Gen Chiu enrolled in Medicare?

Yes. Peir Gen Chiu 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 organization bills Medicare for Peir Gen Chiu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peir Gen Chiu reassigns Medicare benefits to North East Medical Services (San Francisco, CA). The 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 Peir Gen Chiu'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 Peir Gen Chiu was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.