Lauren Seo, MD
Orthopaedic Surgery Physician · Mill Valley, CA
Lauren Seo, MD is an orthopaedic surgery physician with a practice address in Mill Valley, California, and NPI 1356803001, issued on Apr 2, 2019. Check the license (California A204377, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lauren Seo
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- A204377 CA
2024-01748 NC
323916 NY
Self-reported in NPPES; status is on the state search - Practice location
- 141 Camino Alto Ste 2, Mill Valley, CA 94941
- Phone
- (415) 388-5100
- Enumerated
- Apr 2, 2019
- Record last updated
- Oct 3, 2025
- Fax
- (415) 388-5155
- Medicare enrollment
- Enrolled (PECOS I20250919002348); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 141 Camino Alto Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Levinsohn, M.D.Orthopaedic Surgery Physician1174532121
Verify Lauren Seo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A204377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
12 Medicare Part D claims, against an average of 346 among the 16,516 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: $3,133.19
22 payments; by number, the most common kind was travel and lodging; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Pacific Crest Orthopedics PCMill Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Seo among 2,276 orthopaedic surgery physician records in California
Lauren Seo, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2003 among the 1,347 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Mill Valley → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Marilee Jasan, MDMill Valley, CA 949411093894016
- David Levinsohn, M.D.Mill Valley, CA 949411174532121
- Jonathan Goff, MDLarkspur, CA 949391689629388
- John Keohane, M.D.Larkspur, CA 949391134173677
- Irina Melnik, M.D.Larkspur, CA 949391902859838
- Michael Oechsel, M.D.Larkspur, CA 949391235186206
- Alex Prescott, MDLarkspur, CA 949391427132596
- Akash Shah, MDLarkspur, CA 949391932605094
Common questions
What is Lauren Seo, MD's NPI number?
Lauren Seo, MD's National Provider Identifier (NPI) is 1356803001, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Seo, MD located?
The NPPES record lists a practice address at 141 Camino Alto Ste 2, Mill Valley, CA, 94941. Phone: (415) 388-5100. Providers update this record themselves, so call before visiting.
How can I verify Lauren Seo, MD's license?
NPPES lists California license number A204377, 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 Lauren Seo, MD prescribe under Medicare Part D?
In 2024, Lauren Seo, MD had 12 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. 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.