Cynthia Ka Lai
- Medicare services, 2024
- 315
- Medicare patients, 2024
- 134
- Part D claims, 2024
- 172
- Hospital affiliations
- 2
- Industry payments
- $395
- Practice address
- 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403
- Practice phone
- Call (707) 541-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Rosa Surgery and Endoscopy Center
Surgery Center - Medicare-Certified · Santa Rosa, California
Find Cynthia Lai'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.
Cynthia Ka Lai is a physician assistant in Santa Rosa, California
Cynthia Lai practices at Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California.
Cynthia Lai's NPI, 1841042462, was assigned on April 5, 2024. Cynthia Lai holds California license PA64475.
- NPI
- 1841042462NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042750267
- NPI enumeration date
- April 5, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 541-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cynthia Ka Lai practices at Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California
Cynthia Lai's primary practice is Santa Rosa Surgery and Endoscopy Center, at 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403. The practice phone is (707) 541-3500.
- Santa Rosa Surgery and Endoscopy Center34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403Phone(707) 541-3500
Source: Dmand AI Affiliation Data
Cynthia Ka Lai is affiliated with 5 sites of care and 2 medical groups
Cynthia Lai's primary practice is Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California. Cynthia Lai is also affiliated with Sutter Santa Rosa Regional Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Cynthia Lai to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cynthia Ka Lai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cynthia Lai practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Surgery and Endoscopy Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Cynthia Ka Lai is one of 11,482 physician assistants in California
Physician assistant is Cynthia Lai's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Cynthia Lai is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Cynthia Lai
Counts of physician assistants 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
Cynthia Ka Lai billed Medicare for 315 services in 2024
CMS data shows 315 Medicare services from Cynthia Lai across 7 procedure codes in 2024, for 134 Medicare patients. Medicare paid $17,717 for them. Every service was in an office.
Cynthia Lai's Medicare services by type, 2024
- Office and hospital visits174
- Drugs given in the office69
- Imaging59
- Surgery13
Cynthia Lai compared with the California median for physician assistants, 2024
- Cynthia Lai
- California median
- Medicare services
- 315vs 20454% above
- Medicare patients
- 134vs 10528% above
- Part D claims
- 152vs 24337% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Cynthia Lai'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Cynthia Ka Lai treated 134 Medicare patients in 2024, average age 73
CMS counts 134 Medicare patients who saw Cynthia Lai in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 63% have arthritis. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Cynthia Lai's median patient age at 73, with 63% women.
Cynthia Lai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Cynthia Lai's Medicare patients by sex, 2024
- Women8664%
- Men4836%
Chronic conditions among Cynthia Lai's Medicare patients, 2024
- High cholesterol75%
- Arthritis63%
- High blood pressure51%
- Anxiety24%
- Ischemic heart disease24%
- Mood disorders24%
- Osteoporosis22%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Cynthia Lai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women63%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Cynthia Ka Lai wrote 172 Medicare Part D claims in 2024
In 2024, Cynthia Lai wrote 172 Medicare Part D claims for 95 patients. 100% of them were for generic drugs. CMS names the drug for 152 of them, across 3 drugs with 11 or more claims each, at $673 in total drug cost.
Cynthia Lai'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 Cynthia Lai's Part D claims, 2024
- Opioids47%81 of 172 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Cynthia Ka Lai offers telehealth to Medicare patients
Cynthia Lai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Cynthia Lai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Cynthia Ka Lai received $395 in industry payments from 2024 to 2025
CMS Open Payments shows 15 general payments to Cynthia Lai from 7 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $80.
General payments to Cynthia Lai by program year, 2024 to 2025
Companies that paid Cynthia Lai the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cynthia Ka Lai'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Cynthia Ka Lai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cynthia Ka Lai's NPI number?
Cynthia Ka Lai's NPI number is 1841042462. It was assigned on April 5, 2024, and it is active in the NPI Registry.
What does Cynthia Ka Lai specialize in?
Cynthia Ka Lai is a physician assistant in Santa Rosa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Cynthia Ka Lai practice?
Cynthia Lai practices at 34 Mark West Springs Road, Suite 100, Santa Rosa, CA 95403. Cynthia Lai's primary practice is Santa Rosa Surgery and Endoscopy Center in Santa Rosa, California. Dmand AI also links Cynthia Lai to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Cynthia Ka Lai's office phone number?
The practice phone on file for Cynthia Lai is (707) 541-3500.
What is Cynthia Ka Lai's medical license number?
Cynthia Lai holds California license PA64475.
Which hospitals is Cynthia Ka Lai affiliated with?
Cynthia Lai is affiliated with Sutter Santa Rosa Regional Hospital. Dmand AI links Cynthia Lai to 1 more hospital.
What medical group is Cynthia Ka Lai part of?
Cynthia Lai is linked to Palo Alto Foundation Medical Group. Dmand AI links Cynthia Lai to 1 more medical group.
Does Cynthia Ka Lai accept Medicare?
Yes. CMS data shows Cynthia Lai billed Medicare for 315 services in 2024, and Cynthia Lai accepts Medicare assignment.
Does Cynthia Ka Lai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Cynthia Lai as offering telehealth services.
How many Medicare patients does Cynthia Ka Lai see?
CMS counts 134 Medicare patients who saw Cynthia Lai in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Cynthia Ka Lai bill to Medicare?
In 2024, Cynthia Lai's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J0702) and office visit, established patient (99213).
What drugs does Cynthia Ka Lai prescribe most?
In 2024 Medicare Part D data, Cynthia Lai's most prescribed drugs by claims were Oxycodone HCl, Ibuprofen and Meloxicam.
Has Cynthia Ka Lai received payments from drug or device companies?
CMS Open Payments shows $395 in general payments to Cynthia Lai from 7 companies from 2024 to 2025. The largest total came from Medtronic, Inc.
How long has Cynthia Ka Lai been practicing?
Cynthia Lai graduated from medical school in 2024, 2 years ago.
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