Clifford Wong, MD
Nephrology Physician · Hayward, CA
Clifford Wong, MD is a nephrology physician with a practice address in Hayward, California, and NPI 1780621706, issued on May 31, 2006. Check the license (California A68265, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clifford Wong
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A68265 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27200 Calaroga Ave, Hayward, CA 94545
- Phone
- (510) 783-2003
- Enumerated
- May 31, 2006
- Record last updated
- Nov 28, 2022
- Fax
- (510) 783-2007
- Medicaid ID
- 00A682650 CA
- Medicare enrollment
- Enrolled (PECOS I20051114001189); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 27200 Calaroga Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yahya Ahmed, M.D.Internal Medicine Physician1124283312
- Neelima Akkinapalli, P.A.Physician Assistant1154523496
- Matthew Andrews, NPAcute Care Nurse Practitioner1699645424
- Yalda Bahrani, FNP-CNurse Practitioner1770182388
- Manon Baze, PAPhysician Assistant1104849520
- John Bell, M.D.Internal Medicine Physician1720282932
Verify Clifford Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average nephrology physician in 2024
1,555 Medicare Part D claims for 207 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium180 claims
- Hydralazine Hcl134 claims
- Farxiga117 claims
- Rayaldee76 claims
- Jardiance74 claims
- Lisinopril74 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $974.98
51 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- West Coast KidneyFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
Other nephrology physician records in California
- Antoine Abcar, MDLos Angeles, CA1245301159
- Basmah Abdalla, M.D.Los Angeles, CA1629394002
- Omaran Abdeen, M.D.Mission Hills, CA1700878410
- Joseph Abdelmalek, M.DSan Diego, CA1740485531
- Lama Abdelnour, MDLos Angeles, CA1477817542
- Amir Abdi Pour, MDLoma Linda, CA1912187477
- Anas Abou-Ismail, MDPalm Springs, CA1598078784
- Graham Abra, M.D.Stanford, CA1760644678
- Sreedhar Adapa, M.D.Visalia, CA1881997872
- Gbemisola Adenuga, M.D.Los Angeles, CA1952464661
Common questions
What is Clifford Wong, MD's NPI number?
Clifford Wong, MD's National Provider Identifier (NPI) is 1780621706, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clifford Wong, MD located?
The NPPES record lists a practice address at 27200 Calaroga Ave, Hayward, CA, 94545. Phone: (510) 783-2003. Providers update this record themselves, so call before visiting.
How can I verify Clifford Wong, MD's license?
NPPES lists California license number A68265, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clifford Wong, MD prescribe under Medicare Part D?
In 2024, Clifford Wong, MD had 1,555 Medicare Part D claims for 207 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.