Christina Katherine Lam, D.O.
Obstetrics & Gynecology Physician · Mountain View, CA
Christina Katherine Lam, D.O. is an obstetrics & gynecology physician with a practice address in Mountain View, California, and NPI 1114454600, issued on May 16, 2017. Check the license (California 20A18864, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina Katherine Lam
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 20A18864 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2495 Hospital Dr Ste 670, Mountain View, CA 94040
- Phone
- (650) 396-8110
- Enumerated
- May 16, 2017
- Record last updated
- Oct 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (650) 336-7359
- Medicare enrollment
- Enrolled (PECOS I20220226000095); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 2495 Hospital Dr Ste 670
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Azad, MDObstetrics & Gynecology Physician1457531543
- Pooja Gupta, M.DObstetrics & Gynecology Physician1336330786
- Vivian Wan, DOObstetrics & Gynecology Physician1659832251
Verify Christina Katherine Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A18864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
18 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $127.89
6 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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 FoundationMountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Katherine Lam among 5,088 obstetrics & gynecology physician records in California
Christina Katherine Lam, D.O. is one of 5,088 obstetrics & gynecology 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 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 obstetrics & gynecology physician records list a practice address in Mountain View
They are 49 of the 2,467 NPPES records with a practice address in Mountain View, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Mountain View → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Holly Beeman, MDMountain View, CA 940401447232210
- Un Hui Har, M.D.Mountain View, CA 940401861593253
- Richard Hill, MDMountain View, CA 940401568579878
- Catherine HillMountain View, CA 940401326155656
- Jenny-Jean Hua, MDMountain View, CA 940401740397074
- Takeshi Inouye, MDMountain View, CA 940401386751626
- Nina Jaki, MDMountain View, CA 940401982711222
- Yin Lim, MDMountain View, CA 940401306854526
Common questions
What is Christina Katherine Lam, D.O.'s NPI number?
Christina Katherine Lam, D.O.'s National Provider Identifier (NPI) is 1114454600, issued on May 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Christina Katherine Lam, D.O. located?
The NPPES record lists a practice address at 2495 Hospital Dr Ste 670, Mountain View, CA, 94040. Phone: (650) 396-8110. Providers update this record themselves, so call before visiting.
How can I verify Christina Katherine Lam, D.O.'s license?
NPPES lists California license number 20A18864, 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 Christina Katherine Lam, D.O. prescribe under Medicare Part D?
In 2024, Christina Katherine Lam, D.O. had 18 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.