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DR. CHEW MAY CHEAH MD
NPI 1689108862
Internal Medicine in Richmond, CA

Active since April 14, 2017PECOS EnrolledAccepts Medicare Assignment
901 NEVIN AVE, RICHMOND, CA 94801(510) 239-9896 Get Directions Write a Review

NPPES record last updated: April 14, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 14, 2022, Aug 4, 2017, Apr 14, 2017 (3 updates tracked since 2017).

About Dr. Chew May Cheah Md NPPES

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

DR. CHEW MAY CHEAH MD (NPI 1689108862) is an individual internal medicine provider in Richmond, California, licensed in California (A176046) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1689108862
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHEW MAY CHEAHCredential: MD
Location Address901 NEVIN AVERichmond, CA 94801-3143
Mailing Address901 Nevin AveRichmond, CA 94801-3143 · (510) 239-9896
Phone(510) 239-9896
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 14, 2017
Last NPPES UpdateApril 14, 20223 updates tracked since enumeration
NPPES CertifiedApril 14, 2022
✔ NPI 1689108862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A176046
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
901 NEVIN AVE, Richmond, CA 94801
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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

Dr. Chew May Cheah Md 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 ID3577808658
PECOS Enrollment IDI20220804001999
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 Chew May Cheah reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
Same address
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

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

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.
19 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94801 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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.

CIANNA LEATHERWOOD MD
Internal Medicine (Rheumatology)
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-1500
ASHLEY MARGARET BASUALDO ASW
Social Worker
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-2303
ROBERT D. GOLDFIEN MD
Internal Medicine (Rheumatology)
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-1500
TEMITOPE OMOTAYO PHARM.D
Pharmacist
901 NEVIN AVE, SKYVIEW PHARMACY
RICHMOND, CA 94801
Contra Costa County (510) 520-3985
PAMELA KATRINA YGRUBAY
Physical Therapist
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-1551
MS. SUSAN MIRIAM SEGLIN LCSW
Social Worker (Clinical)
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-1612
THE PERMANENTE MEDICAL GROUP
Optometrist
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-1500
MARGARET MULLEN
Social Worker (Clinical)
901 NEVIN AVE
RICHMOND, CA 94801
Contra Costa County (510) 307-1771

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 Chew May Cheah's NPI number?

The NPI number for Chew May Cheah is 1689108862. It was assigned to this individual provider in the NPPES registry on April 14, 2017.

Where is Chew May Cheah located?

Chew May Cheah practices at 901 Nevin Ave, Richmond, CA 94801. The listed phone number is (510) 239-9896.

What is Chew May Cheah's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Chew May Cheah enrolled in Medicare?

Yes. Chew May Cheah 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 Chew May Cheah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chew May Cheah reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Chew May Cheah'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 Chew May Cheah was last updated on April 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.