Dr. Alan Eih Chih Thong, MD
- Medicare services, 2024
- 1,103
- Medicare patients, 2024
- 605
- Part D claims, 2024
- 235
- Publications
- 35
- MIPS score, 2024
- 89
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thong'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. Alan Eih Chih Thong is a urologist in Stanford, California
Dr. Thong practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Thong's NPI, 1689835738, was assigned on June 21, 2008. Dr. Thong graduated from Pritzker School of Medicine in 2008. Dr. Thong holds California license A109039.
- NPI
- 1689835738NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082921820
- NPI enumeration date
- June 21, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alan Eih Chih Thong practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Thong's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Alan Eih Chih Thong is affiliated with 4 sites of care and 1 medical group
Dr. Thong's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Thong is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Thong to 2 more hospitals, each named with a free account. Dr. Thong's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alan Eih Chih Thong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thong practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan Eih Chih Thong is one of 1,395 urologists in California
Urology is Dr. Thong's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Thong is board certified in urology by the American Board of Urology. Dmand AI has Dr. Thong's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Urology, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists bladder removal, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery, prostate cancer and prostate surgery among the conditions Dr. Thong treats.
Urologists near Dr. Thong
Counts of urologists 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. Alan Eih Chih Thong billed Medicare for 1,103 services in 2024
CMS data shows 1,103 Medicare services from Dr. Thong across 15 procedure codes in 2024, for 605 Medicare patients. Medicare paid $141,201 for them.
Dr. Thong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5392024: 5302%
- Surgery
- 2023: 2742024: 37035%
- Other services
- 2023: 112024: 1501264%
- Imaging
- 2023: 762024: 5330%
Where Dr. Thong's Medicare services took place, 2024
- In an office69263%
- In a facility41137%
Dr. Thong compared with the California median for urologists, 2024
- Dr. Thong
- California median
- Medicare services
- 1,103vs 1,0505% above
- Medicare patients
- 605vs 34675% above
- Part D claims
- 195vs 64270% below
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Thong's most billed Medicare procedure codes, 2024
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. Thong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thong and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan Eih Chih Thong treated 605 Medicare patients in 2024, average age 74
CMS counts 605 Medicare patients who saw Dr. Thong in 2024. The largest group is 65 to 74, with 321 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thong's median patient age at 68, with 19% women.
Dr. Thong's Medicare patients by age, 2024
Dr. Thong's Medicare patients by sex, 2024
- Women10918%
- Men49682%
Chronic conditions among Dr. Thong's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Cancer55%
- Arthritis33%
- Ischemic heart disease31%
- Diabetes30%
- Chronic kidney disease28%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women19%
- Men80%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alan Eih Chih Thong wrote 235 Medicare Part D claims in 2024
In 2024, Dr. Thong wrote 235 Medicare Part D claims for 72 patients. 97% of them were for generic drugs. CMS names the drug for 195 of them, across 5 drugs with 11 or more claims each, at $3,203 in total drug cost. In 2023, CMS named 286 claims across 5 drugs.
Dr. Thong's Part D claims by kind of drug, 2024
- Generic229 claims97%
- Brand-name and other6 claims3%
Dr. Thong'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.
Drug classes CMS tracks in Dr. Thong's Part D claims, 2024
- Antibiotics5%11 of 235 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2862024: 19532%
Drugs named by CMS: 5 in 2024, 5 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
Dr. Alan Eih Chih Thong scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Thong for performance year 2024, reported as part of a group. Dr. Thong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thong as offering telehealth. CMS counts 12 procedures of prostate resection by Dr. Thong, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Thong's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Thong ranks in Medicare procedure volume
- Prostate resection
- 63rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alan Eih Chih Thong has 35 publications on record
Dmand AI links 35 papers to Dr. Thong, published from 2008 to 2024. 2022 was the busiest year, with 6. The most frequent topics are Prostatic Neoplasms, Prostatectomy and Arthroplasty, Replacement, Hip. Dr. Thong has published most often in J Arthroplasty. Dr. Thong's most frequent co-authors are Pejman Ghanouni, MD, PhD, Geoffrey Alexander Sonn, MD and Benjamin Inbeh Chung, MD.
Dr. Thong's papers by year, 2012 to 2024
Topics Dr. Thong writes about most
- Prostatic Neoplasms
- Prostatectomy
- Arthroplasty, Replacement, Hip
- Postoperative Complications
- Robotics
- Arthroplasty, Replacement, Knee
- Kidney Neoplasms
- Magnetic Resonance Imaging
Dr. Thong's most frequent co-authors
- Pejman Ghanouni, MD, PhD8 shared papers
- Geoffrey Alexander Sonn, MD8 shared papers
- Benjamin Inbeh Chung, MD6 shared papers
Recent publications by Dr. Thong
See who Dr. Thong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thong works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alan Eih Chih Thong received $27,057 in industry payments from 2017 to 2025
CMS Open Payments shows 74 general payments to Dr. Thong from 5 drug and device companies from 2017 to 2025. Education make up the largest share, 37% of the total. Intuitive Surgical, Inc. paid the most, $20,332.
General payments to Dr. Thong by program year, 2017 to 2025
General payments to Dr. Thong by kind, 2017 to 2025
- Education$10,01837%
- Travel and lodging$8,08830%
- Speaker and faculty fees$4,70017%
- Food and beverage$4,25116%
Companies that paid Dr. Thong the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan Eih Chih Thong graduated from Pritzker School of Medicine
Dr. Thong graduated from Pritzker School of Medicine in 2008. Dr. Thong is a member of ACS.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Alan Eih Chih Thong accepts plans from 7 insurance carriers
Dr. Thong is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Thong accepts, by number of carriers
- Medicare5
- PPO4
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Alan Eih Chih Thong'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Alan Eih Chih Thong
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. Alan Eih Chih Thong's NPI number?
Dr. Alan Eih Chih Thong's NPI number is 1689835738. It was assigned on June 21, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan Eih Chih Thong?
Dr. Alan Eih Chih Thong is a urologist in Stanford, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Alan Eih Chih Thong practice?
Dr. Thong practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Thong's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Thong to 2 hospitals.
What is Dr. Alan Eih Chih Thong's office phone number?
The practice phone on file for Dr. Thong is (650) 723-4000.
What is Dr. Alan Eih Chih Thong's medical license number?
Dr. Thong holds California license A109039, one of the licenses on file in 2 states.
Which states has Dr. Alan Eih Chih Thong been licensed in?
Dmand AI has state licenses on file for Dr. Thong in California (2009 to 2027) and New York (2014 to 2017).
Which hospitals is Dr. Alan Eih Chih Thong affiliated with?
Dr. Thong practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Thong is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Dr. Thong to 2 more hospitals.
What medical group is Dr. Alan Eih Chih Thong part of?
Dr. Thong is linked to Stanford Health Care.
Does Dr. Alan Eih Chih Thong accept Medicare?
Yes. CMS data shows Dr. Thong billed Medicare for 1,103 services in 2024, and Dr. Thong accepts Medicare assignment.
Does Dr. Alan Eih Chih Thong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Thong as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Alan Eih Chih Thong's MIPS score?
Dr. Thong's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alan Eih Chih Thong see?
CMS counts 605 Medicare patients who saw Dr. Thong in 2024, with an average age of 74.
Is Dr. Alan Eih Chih Thong board certified?
Yes. Dr. Thong is board certified in urology by the American Board of Urology.
What services does Dr. Alan Eih Chih Thong bill to Medicare?
In 2024, Dr. Thong's most billed Medicare services were office visit, new patient (99204), surgery: urinary system (52000) and medicare service (G2211).
Where did Dr. Alan Eih Chih Thong go to medical school?
Dr. Thong graduated from Pritzker School of Medicine in 2008.
What drugs does Dr. Alan Eih Chih Thong prescribe most?
In 2024 Medicare Part D data, Dr. Thong's most prescribed drugs by claims were Alfuzosin HCl ER, Finasteride and Tamsulosin HCl.
Has Dr. Alan Eih Chih Thong received payments from drug or device companies?
CMS Open Payments shows $27,057 in general payments to Dr. Thong from 5 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Alan Eih Chih Thong been practicing?
Dr. Thong graduated from medical school in 2008, 18 years ago.
Does Dr. Alan Eih Chih Thong do research?
Dmand AI links 35 publications to Dr. Thong, published from 2008 to 2024.
Who does Dr. Alan Eih Chih Thong publish with?
Dr. Thong's most frequent co-authors are Pejman Ghanouni, MD, PhD (8 shared papers), Geoffrey Alexander Sonn, MD (8 shared papers) and Benjamin Inbeh Chung, MD (6 shared papers).
What insurance does Dr. Alan Eih Chih Thong accept?
Dr. Thong is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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