Dan Alan Kalshan, MD
Internal Medicine Physician · San Francisco, CA
Dan Alan Kalshan, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1326033200, issued on Sep 15, 2005. Check the license (California A77829, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dan Alan Kalshan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A77829 CA
Self-reported in NPPES; status is on the state search - Practice location
- 220 Montgomery St, San Francisco, CA 94104
- Phone
- (415) 433-7000
- Enumerated
- Sep 15, 2005
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 434-4509
- Medicare enrollment
- Enrolled (PECOS I20041213000412); may accept Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2000
- 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 220 Montgomery St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dan Alan Kalshan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
877 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 90 claims were for opioids.
Most prescribed
- Oxycodone Hcl52 claims
- Atorvastatin Calcium39 claims
- Levothyroxine Sodium34 claims
- Pravastatin Sodium34 claims
- Diazepam31 claims
- Zolpidem Tartrate30 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: $567.01
24 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. 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.
Dan Alan Kalshan among 17,696 internal medicine physician records in California
Dan Alan Kalshan, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Celina Labrec-Salmons, MDSan Francisco, CA 941041225265119
- Denise Lee, D.O.San Francisco, CA 941041689708331
- Maria Magat, MDSan Francisco, CA 941041821142688
- Nancy McAfee, M.D.San Francisco, CA 941041952404204
Common questions
What is Dan Alan Kalshan, MD's NPI number?
Dan Alan Kalshan, MD's National Provider Identifier (NPI) is 1326033200, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dan Alan Kalshan, MD located?
The NPPES record lists a practice address at 220 Montgomery St, San Francisco, CA, 94104. Phone: (415) 433-7000. Providers update this record themselves, so call before visiting.
How can I verify Dan Alan Kalshan, MD's license?
NPPES lists California license number A77829, 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 Dan Alan Kalshan, MD prescribe under Medicare Part D?
In 2024, Dan Alan Kalshan, MD had 877 Medicare Part D claims for 52 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.