Hailing Fei, MD
Internal Medicine Physician · Redwood City, CA
Hailing Fei, MD is an internal medicine physician with a practice address in Redwood City, California, and NPI 1861400350, issued on Aug 3, 2006. Check the license (California A78381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hailing Fei
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A78381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39 Birch St, Redwood City, CA 94062
- Phone
- (650) 368-2888
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (650) 368-2878
- Medicaid ID
- 2276035 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Hailing Fei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
400 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium34 claims
- Simvastatin31 claims
- Amlodipine Besylate29 claims
- Metformin Hcl22 claims
- Levothyroxine Sodium19 claims
- Losartan Potassium15 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.
Hailing Fei among 17,696 internal medicine physician records in California
Hailing Fei, 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 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 updated2010 · 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).
85 internal medicine physician records list a practice address in Redwood City
They are 85 of the 2,795 NPPES records with a practice address in Redwood City, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redwood City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gary Aron, M.D.Redwood City, CA 940621619984911
- Denise Brown, M.D.Redwood City, CA 940621518979442
- Barrett Bryan, MDRedwood City, CA 940621033133954
- David Dorrance, M.D.Redwood City, CA 940621871657601
- Christopher Dunn, M.D.Redwood City, CA 940621386724276
- Sabitha Krishnamoorthy, MDRedwood City, CA 940621245408731
- Priyasheelta Nand, M.D.Redwood City, CA 940621174843916
- Kristin Nielsen, MDRedwood City, CA 940621831100080
Common questions
What is Hailing Fei, MD's NPI number?
Hailing Fei, MD's National Provider Identifier (NPI) is 1861400350, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hailing Fei, MD located?
The NPPES record lists a practice address at 39 Birch St, Redwood City, CA, 94062. Phone: (650) 368-2888. Providers update this record themselves, so call before visiting.
How can I verify Hailing Fei, MD's license?
NPPES lists California license number A78381, 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 Hailing Fei, MD prescribe under Medicare Part D?
In 2024, Hailing Fei, MD had 400 Medicare Part D claims for 87 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.