Purab Chawla Viswanath, MD
Orthopaedic Hand Surgery Physician · Tarzana, CA
Purab Chawla Viswanath, MD is an orthopaedic hand surgery physician with a practice address in Tarzana, California, and NPI 1336374958, issued on May 27, 2009. Check the license (California A137256, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Purab Chawla Viswanath
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A137256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Etiwanda Ave Ste 228, Tarzana, CA 91356
- Phone
- (310) 295-6317
- Enumerated
- May 27, 2009
- Record last updated
- Jul 2, 2026
- Fax
- (833) 907-0098
- Medicare enrollment
- Enrolled (PECOS I20151105000531); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 5525 Etiwanda Ave Ste 228
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Tantone, MDOrthopaedic Hand Surgery Physician1316407505
- Ritu Viswanath, MDInternal Medicine Physician1497029078
Verify Purab Chawla Viswanath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
297 Medicare Part D claims for 177 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 206 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen123 claims
- Tramadol Hcl54 claims
- Meloxicam27 claims
- Cephalexin18 claims
- Ibuprofen15 claims
- Oxycodone-Acetaminophen15 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: $51.15
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 1,819 providers of this specialty with any payment received $5,529.86 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
- Providence Medical InstituteLaguna Niguel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Purab Chawla Viswanath among 288 orthopaedic hand surgery physician records in California
Purab Chawla Viswanath, MD is one of 288 orthopaedic hand surgery physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 67% of them.
- NPI issued2009 · 67% of these records are older, 28% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2009 · median 2004 among the 214 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Tarzana → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Justin Koh, M.D.Tarzana, CA 913561083077077
- Ryan Tantone, MDTarzana, CA 913561316407505
- Jared Niska, M.D.Valencia, CA 913551427364579
- Robert Roth, MDValencia, CA 913551609971027
- Rajan Murgai, MDWoodland Hills, CA 913671205395258
- Mitchel Silverman, MDSherman Oaks, CA 914031215156328
- Eli Ziv, M.D.Sherman Oaks, CA 914031083617666
- David Auerbach, M.D.Van Nuys, CA 914051851320352
Common questions
What is Purab Chawla Viswanath, MD's NPI number?
Purab Chawla Viswanath, MD's National Provider Identifier (NPI) is 1336374958, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Purab Chawla Viswanath, MD located?
The NPPES record lists a practice address at 5525 Etiwanda Ave Ste 228, Tarzana, CA, 91356. Phone: (310) 295-6317. Providers update this record themselves, so call before visiting.
How can I verify Purab Chawla Viswanath, MD's license?
NPPES lists California license number A137256, 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 Purab Chawla Viswanath, MD prescribe under Medicare Part D?
In 2024, Purab Chawla Viswanath, MD had 297 Medicare Part D claims for 177 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. 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.