Dr. Kyi Lay San, MD
- Medicare services, 2021
- 233
- Part D claims, 2024
- 5,882
- Industry payments
- $577
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. San'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. Kyi Lay San is an internist in Stockton, California
Dr. San practices at Permanente Medical Group Inc in Stockton, California.
Dr. San's NPI, 1851742118, was assigned on June 28, 2016. Dr. San graduated from University Institute of Medicine 1 in 2003. Dr. San holds California license A159779.
- NPI
- 1851742118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547504102
- NPI enumeration date
- June 28, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kyi Lay San practices at Permanente Medical Group Inc in Stockton, California
Dr. San's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kyi Lay San is affiliated with 2 sites of care and 1 medical group
Dr. San's primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. San to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kyi Lay San's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. San practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kyi Lay San is one of 16,751 internists in California
Internal medicine is Dr. San's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. San is board certified in internal medicine by the American Board of Internal Medicine. Dr. San is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes and high cholesterol among the conditions Dr. San treats.
Internists near Dr. San
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. Kyi Lay San billed Medicare for 233 services in 2021
CMS data shows 233 Medicare services from Dr. San across 3 procedure codes in 2021, all of them office visits. Medicare paid $21,255 for them. Every service was in an office.
Dr. San's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 3562021: 23335%
Dr. San compared with the California median for internists, 2021
- Dr. San
- California median
- Medicare services
- 233vs 36135% below
- Part D claims
- 5,344vs 42112.7 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. San's most billed Medicare procedure codes, 2021
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. San?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. San and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kyi Lay San's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. San's median patient age at 46, with 73% women.
Dr. San's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women73%
- Men26%
Source: Dmand AI Patient Panel Data
Dr. Kyi Lay San wrote 5,882 Medicare Part D claims in 2024
In 2024, Dr. San wrote 5,882 Medicare Part D claims for 677 patients. 89% of them were for generic drugs. CMS names the drug for 5,344 of them, across 106 drugs with 11 or more claims each, at $205,264 in total drug cost. In 2023, CMS named 5,190 claims across 106 drugs.
Dr. San's Part D claims by kind of drug, 2024
- Generic5,236 claims89%
- Brand-name591 claims10%
- Other55 claims1%
Dr. San'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. San's Part D claims, 2024
- Opioids4%262 of 5,882 claims
- Antibiotics4%210 of 5,882 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: 5,1902024: 5,3443%
Drugs named by CMS: 106 in 2024, 106 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. Kyi Lay San offers telehealth to Medicare patients
Dr. San accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. San as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Kyi Lay San received $577 in industry payments from 2019 to 2020
CMS Open Payments shows 32 general payments to Dr. San from 10 drug and device companies from 2019 to 2020. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $131.
General payments to Dr. San by program year, 2019 to 2020
Companies that paid Dr. San the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kyi Lay San graduated from University Institute of Medicine 1
Dr. San graduated from University Institute of Medicine 1 in 2003.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Kyi Lay San accepts plans from 2 insurance carriers
Dr. San is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. San accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kyi Lay San'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Kyi Lay San
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. Kyi Lay San's NPI number?
Dr. Kyi Lay San's NPI number is 1851742118. It was assigned on June 28, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Kyi Lay San?
Dr. Kyi Lay San is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kyi Lay San practice?
Dr. San practices at 7373 West Ln, Stockton, CA 95210. Dr. San's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. San to 1 group practice or clinic.
What is Dr. Kyi Lay San's office phone number?
The practice phone on file for Dr. San is (209) 476-2000.
What is Dr. Kyi Lay San's medical license number?
Dr. San holds California license A159779.
What medical group is Dr. Kyi Lay San part of?
Dr. San is linked to The Permanente Medical Group, Inc.
Does Dr. Kyi Lay San accept Medicare?
Yes. CMS data shows Dr. San billed Medicare for 233 services in 2021, and Dr. San accepts Medicare assignment.
Does Dr. Kyi Lay San offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. San as offering telehealth services.
Is Dr. Kyi Lay San board certified?
Yes. Dr. San is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Kyi Lay San bill to Medicare?
In 2021, Dr. San's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
Show 5 more questionsShow fewer questions
Where did Dr. Kyi Lay San go to medical school?
Dr. San graduated from University Institute of Medicine 1 in 2003.
What drugs does Dr. Kyi Lay San prescribe most?
In 2024 Medicare Part D data, Dr. San's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Kyi Lay San received payments from drug or device companies?
CMS Open Payments shows $577 in general payments to Dr. San from 10 companies from 2019 to 2020. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Kyi Lay San been practicing?
Dr. San graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Kyi Lay San accept?
Dr. San is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card