Kwan Chi Pun, MD
Internal Medicine Physician · Mountain View, CA
Kwan Chi Pun, MD is an internal medicine physician with a practice address in Mountain View, California, and NPI 1083719207, issued on Sep 13, 2006. Check the license (California G79942, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kwan Chi Pun
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G79942 CA
Self-reported in NPPES; status is on the state search - Practice location
- 701 E EL Camino Real, Mountain View, CA 94040
- Phone
- (650) 934-7000
- Enumerated
- Sep 13, 2006
- Record last updated
- Nov 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 00G799420 CA
- Medicare enrollment
- Enrolled (PECOS I20040401000943); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 701 E EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kwan Chi Pun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79942Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,117 Medicare Part D claims for 414 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium297 claims
- Amlodipine Besylate258 claims
- Levothyroxine Sodium122 claims
- Losartan Potassium117 claims
- Metoprolol Succinate89 claims
- Alendronate Sodium82 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: $392.22
3 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Sutter Bay Medical FoundationSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kwan Chi Pun among 17,696 internal medicine physician records in California
Kwan Chi Pun, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1993 · median 2004 among the 11,065 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 internal medicine physician records list a practice address in Mountain View
They are 119 of the 2,467 NPPES records with a practice address in Mountain View, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Mountain View → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ravin Agah, M.D.Mountain View, CA 940401528075017
- Galina Balon, MDMountain View, CA 940401114932571
- Barbara Campbell, M.D.Mountain View, CA 940401679597405
- Steven Carlson, MDMountain View, CA 940401902813496
- Dean Cummings, MDMountain View, CA 940401265454029
- Vivien D'Andrea, MDMountain View, CA 940401760497135
- Francis Garrett, MDMountain View, CA 940401295799724
- David Kaufman, MDMountain View, CA 940401720013782
Common questions
What is Kwan Chi Pun, MD's NPI number?
Kwan Chi Pun, MD's National Provider Identifier (NPI) is 1083719207, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kwan Chi Pun, MD located?
The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 934-7000. Providers update this record themselves, so call before visiting.
How can I verify Kwan Chi Pun, MD's license?
NPPES lists California license number G79942, 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 Kwan Chi Pun, MD prescribe under Medicare Part D?
In 2024, Kwan Chi Pun, MD had 3,117 Medicare Part D claims for 414 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.