Emma C. Morton-Bours, M.D.
Internal Medicine Physician · Portola Valley, CA
Emma C. Morton-Bours, M.D. is an internal medicine physician with a practice address in Portola Valley, California, and NPI 1316003528, issued on Dec 29, 2006. Check the license (California A89011, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Emma C. Morton-Bours
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A89011 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 Portola RD Ste C, Portola Valley, CA 94028
- Phone
- (650) 851-6000
- Enumerated
- Dec 29, 2006
- Record last updated
- Feb 27, 2023
- Fax
- (650) 851-9701
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Emma C. Morton-Bours in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
706 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium57 claims
- Zolpidem Tartrate36 claims
- Escitalopram Oxalate32 claims
- Amlodipine Besylate31 claims
- Synthroid27 claims
- Levothyroxine Sodium24 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.
Emma C. Morton-Bours among 17,696 internal medicine physician records in California
Emma C. Morton-Bours, M.D. 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 fileNo · 63% of these records are
- Record last updated2023 · 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).
6 internal medicine physician records list a practice address in Portola Valley
They are 6 of the 84 NPPES records with a practice address in Portola Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Portola Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sylvia Friedberg, M.D.Portola Valley, CA 940281396886925
- Kathryn Hallsten, M.D.Portola Valley, CA 940281184750861
- Rebecca LongPortola Valley, CA 940281639007172
- Gerard Sarnat, M.D.Portola Valley, CA 940281750658415
- Ning Tang, M.D.Portola Valley, CA 940281790806131
- Isha AbdullahAtherton, CA 940271922231737
- Harlan Matles, M.D.Menlo Park, CA 940271164423604
- Fatima Tehranchi, M.DAtherton, CA 940271366457293
Common questions
What is Emma C. Morton-Bours, M.D.'s NPI number?
Emma C. Morton-Bours, M.D.'s National Provider Identifier (NPI) is 1316003528, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Emma C. Morton-Bours, M.D. located?
The NPPES record lists a practice address at 130 Portola RD Ste C, Portola Valley, CA, 94028. Phone: (650) 851-6000. Providers update this record themselves, so call before visiting.
How can I verify Emma C. Morton-Bours, M.D.'s license?
NPPES lists California license number A89011, 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 Emma C. Morton-Bours, M.D. prescribe under Medicare Part D?
In 2024, Emma C. Morton-Bours, M.D. had 706 Medicare Part D claims for 48 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.