Jennifer Diane Lanning
Emergency Medicine Physician · San Francisco, CA
Jennifer Diane Lanning is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1831488451, issued on Apr 5, 2011. Check the license (California A123399, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Diane Lanning
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A123399 CA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave RM M24, San Francisco, CA 94143
- Phone
- (415) 353-1529
- Enumerated
- Apr 5, 2011
- Record last updated
- May 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 505 Parnassus Ave RM M24
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer Diane Lanning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average emergency medicine physician in 2024
200 Medicare Part D claims for 125 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Ondansetron Odt27 claims
- Cephalexin22 claims
- Oxycodone Hcl18 claims
- Hydrocodone-Acetaminophen12 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.
Jennifer Diane Lanning among 7,751 emergency medicine physician records in California
Jennifer Diane Lanning is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2013 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Francisco → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Burg, MDSan Francisco, CA 941431497713150
- Laura Catena, MDSan Francisco, CA 941431225089568
- Christopher Fee, MDSan Francisco, CA 941431992762207
- Susan Lambe, MDSan Francisco, CA 941431588628598
- Matthew Lewin, MD, PHDSan Francisco, CA 941431043269277
- Daniel McDermott, MDSan Francisco, CA 941431316996556
- Jay Menaker, M.D.San Francisco, CA 941431568437176
- Lance Montauk, MDSan Francisco, CA 941431902862840
Common questions
What is Jennifer Diane Lanning's NPI number?
Jennifer Diane Lanning's National Provider Identifier (NPI) is 1831488451, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Diane Lanning located?
The NPPES record lists a practice address at 505 Parnassus Ave RM M24, San Francisco, CA, 94143. Phone: (415) 353-1529. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Diane Lanning's license?
NPPES lists California license number A123399, 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 Jennifer Diane Lanning prescribe under Medicare Part D?
In 2024, Jennifer Diane Lanning had 200 Medicare Part D claims for 125 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.