Pacing Clin Electrophysiol
Arrhythmias, CardiacDogsFlecainide
Dr. Hailing Fei, MD
NPI1861400350
- Medicare services, 2023
- 1,431
- Part D claims, 2024
- 400
- Publications
- 5
- Industry payments
- $276
- State licenses
- 4
- Practice address
- 300 Pasteur Dr, Stanford, CA 94305
- Practice phone
- Call (650) 368-2888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Fei's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Hailing Fei is an internist in Stanford, California
Dr. Fei practices in Stanford, California.
Dr. Fei's NPI, 1861400350, was assigned on August 3, 2006. Dr. Fei graduated from Shanghai Medical University in 1985. Dr. Fei's California license number on file is A78381.
NPI and contact details
- NPI
- 1861400350NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (650) 368-2888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Hailing Fei's practice address is in Stanford, California
Dr. Fei's practice address in the NPI Registry is 300 Pasteur Dr, Stanford, CA 94305, in Santa Clara County. The practice phone is (650) 368-2888.
- NPI Registry address300 Pasteur Dr, Stanford, CA 94305 · Santa Clara CountyPhone(650) 368-2888
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Hailing Fei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fei practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Fei's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hailing Fei is one of 16,751 internists in California
Internal medicine is Dr. Fei's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fei is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Fei's licenses on file in 4 states: California, South Carolina, North Carolina and Pennsylvania.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- South Carolina license
- North Carolina license
- Pennsylvania license
Clinical focus
Dmand AI lists acute sinusitis, aneurysm, atrial fibrillation and flutter, bipolar disorder, chronic anemia, chronic diabetes, chronic hypertension and chronic indigestion among the conditions Dr. Fei treats.
Internists near Dr. Fei
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hailing Fei billed Medicare for 1,431 services in 2023
CMS data shows 1,431 Medicare services from Dr. Fei across 21 procedure codes in 2023. Medicare paid $111,859 for them. Every service was in an office.
Medicare services, 20231,431
Paid by Medicare$111,859
Procedure codes21
Dr. Fei's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 8032023: 55131%
- Tests and treatments
- 2022: 7152023: 41642%
- Lab and pathology
- 2022: 2862023: 18236%
- Other services
- 2022: 1802023: 10144%
- Imaging
- 2022: 1142023: 9913%
- Surgery
- 2022: 1072023: 8223%
Dr. Fei compared with the California median for internists, 2023
- Dr. Fei
- California median
- Medicare services
- 1,431vs 3614.0 times
- Part D claims
- 164vs 42161% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Fei's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Fei?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fei and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hailing Fei's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Fei's median patient age at 71, with 48% women.
Dr. Fei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Hailing Fei wrote 400 Medicare Part D claims in 2024
In 2024, Dr. Fei wrote 400 Medicare Part D claims for 87 patients. 89% of them were for generic drugs. CMS names the drug for 164 of them, across 7 drugs with 11 or more claims each, at $1,956 in total drug cost. In 2023, CMS named 3,797 claims across 81 drugs.
Part D claims, 2024400
Drugs named by CMS7
Total drug cost$1,956
Part D patients87
Dr. Fei's Part D claims by kind of drug, 2024
- Generic354 claims89%
- Brand-name and other46 claims12%
Dr. Fei's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,7972024: 16496%
Drugs named by CMS: 7 in 2024, 81 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Hailing Fei has 5 publications on record
Dmand AI links 5 papers to Dr. Fei. The most frequent topics are Dogs, Action Potentials and Anti-Arrhythmia Agents. Dr. Fei's most frequent co-author is Wayne Thomas Luchetti, MD.
Papers5
Topics Dr. Fei writes about most
- Dogs
- Action Potentials
- Anti-Arrhythmia Agents
- Heart Conduction System
- Electrocardiography
- In Vitro Techniques
- Tachycardia
Dr. Fei's most frequent co-authors
Recent publications by Dr. Fei
J Pharmacol Exp Ther
Action PotentialsAnti-Arrhythmia AgentsDogs
Action PotentialsCardiac Pacing, ArtificialDogs
Anti-Arrhythmia AgentsCardiac Complexes, PrematureDogs
Action PotentialsAnti-Arrhythmia AgentsArteries
See who Dr. Fei researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fei works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hailing Fei received $276 in industry payments from 2016 to 2018
CMS Open Payments shows 11 general payments to Dr. Fei from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $148.
General payments to Dr. Fei by program year, 2016 to 2018
Companies that paid Dr. Fei the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hailing Fei has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Fei, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Fei
- 2012
- CMS Stage 1 EHR
- Undated
- Compassionate Doctors
Source: Dmand AI Professional Profile Data
Dr. Hailing Fei graduated from Shanghai Medical University
Dr. Fei graduated from Shanghai Medical University in 1985.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Hailing Fei's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hailing Fei
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Hailing Fei's NPI number?
Dr. Hailing Fei's NPI number is 1861400350. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hailing Fei?
Dr. Hailing Fei is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hailing Fei practice?
Dr. Fei practices at 300 Pasteur Dr, Stanford, CA 94305.
What is Dr. Hailing Fei's office phone number?
The practice phone on file for Dr. Fei is (650) 368-2888.
What is Dr. Hailing Fei's medical license number?
Dr. Fei's California license number on file is A78381, one of the licenses on file in 4 states.
Which states has Dr. Hailing Fei been licensed in?
Dmand AI has state licenses on file for Dr. Fei in California (2002 to 2025), South Carolina (1999 to 2025), North Carolina (1999 to 2022) and Pennsylvania (1996 to 1997).
Does Dr. Hailing Fei accept Medicare?
Yes. CMS data shows Dr. Fei billed Medicare for 1,431 services in 2023.
Is Dr. Hailing Fei board certified?
Yes. Dr. Fei is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Hailing Fei bill to Medicare?
In 2023, Dr. Fei's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Hailing Fei go to medical school?
Dr. Fei graduated from Shanghai Medical University in 1985.
Show 5 more questionsShow fewer questions
What drugs does Dr. Hailing Fei prescribe most?
In 2024 Medicare Part D data, Dr. Fei's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Amlodipine Besylate.
Has Dr. Hailing Fei received payments from drug or device companies?
CMS Open Payments shows $276 in general payments to Dr. Fei from 3 companies from 2016 to 2018. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Hailing Fei been practicing?
Dr. Fei graduated from medical school in 1985, 41 years ago.
Does Dr. Hailing Fei do research?
Dmand AI links 5 publications to Dr. Fei.
Who does Dr. Hailing Fei publish with?
Dr. Fei's most frequent co-authors are Wayne Thomas Luchetti, MD (1 shared paper).
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