Cosmo Kwok, MD
Pediatric Rehabilitation Medicine Physician · Sacramento, CA
Cosmo Kwok, MD is a pediatric rehabilitation medicine physician with a practice address in Sacramento, California, and NPI 1497175178, issued on Apr 22, 2014. Check the license (California C202756, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cosmo Kwok
- Credential
- MD
- Primary taxonomy
- Pediatric Rehabilitation Medicine Physician 2081P0010X
- License number
- C202756 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 3850, Sacramento, CA 95817
- Phone
- (916) 734-5293
- Enumerated
- Apr 22, 2014
- Record last updated
- May 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20250623003126); may accept Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2014
- Entity
- Type 1 · individual
8 nearest pediatric rehabilitation medicine physician records → All 41 in California → Look up another NPI →
Also registered at 4860 Y St Ste 3850
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shawna Arsenault, MDPediatric Rehabilitation Medicine Physician1629203898
- Riley BarnesStudent in an Organized Health Care Education/Training Program1003675539
- Lori Bjork, MDSports Medicine (Physical Medicine & Rehabilitation) Physician1073048773
- Varneet Brar, BS, MDPhysical Medicine & Rehabilitation Physician1114591351
- Skylar Cermeno, MDPhysical Medicine & Rehabilitation Physician1245752435
- Jovauna CurreyPhysical Medicine & Rehabilitation Physician1427475797
Verify Cosmo Kwok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C202756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average pediatric rehabilitation medicine physician in 2024
14 Medicare Part D claims, against an average of 123 among the 94 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $187.05
4 payments; by number, the most common kind was food and beverage; the largest payer was Merz Pharmaceuticals, LLC. The 112 providers of this specialty with any payment received $1,993.03 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.
Cosmo Kwok among 41 pediatric rehabilitation medicine physician records in California
Cosmo Kwok, MD is one of 41 pediatric rehabilitation medicine physician records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 54% of them.
- NPI issued2014 · 54% of these records are older, 41% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2014 · median 2009 among the 11 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P0010X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Rehabilitation Medicine Physician providers in California
There are 41 pediatric rehabilitation medicine physician records in California.
All 41 in California → Every provider in Sacramento → Pediatric Rehabilitation Medicine Physician nationwide →
The 8 pediatric rehabilitation medicine physician records with the nearest ZIP codes
- Shawna Arsenault, MDSacramento, CA 958171629203898
- Maya Evans, MDSacramento, CA 958171366695439
- Craig McDonald, M.D.Sacramento, CA 958171144201047
- Mary RasmussenSacramento, CA 958171073074290
- Benjamin Mandac, MDSanta Clara, CA 950511427014190
- Elaine Pico, M.D.Berkeley, CA 947051528080462
- Kyle Menze, D.O.Oakland, CA 946111346528742
- Christi Ng, MDOakland, CA 946111346746211
Common questions
What is Cosmo Kwok, MD's NPI number?
Cosmo Kwok, MD's National Provider Identifier (NPI) is 1497175178, issued on Apr 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Cosmo Kwok, MD located?
The NPPES record lists a practice address at 4860 Y St Ste 3850, Sacramento, CA, 95817. Phone: (916) 734-5293. Providers update this record themselves, so call before visiting.
How can I verify Cosmo Kwok, MD's license?
NPPES lists California license number C202756, 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 Cosmo Kwok, MD prescribe under Medicare Part D?
In 2024, Cosmo Kwok, MD had 14 Medicare Part D claims; the average among pediatric rehabilitation medicine physician prescribers was 123. 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.