Dr. Cheri Leng, MD
- Medicare services, 2024
- 1,554
- Medicare patients, 2024
- 500
- Part D claims, 2024
- 553
- MIPS score, 2024
- 75
- Industry payments
- $946
- Practice address
- 400 Sierra College Drive Suite B, Grass Valley, CA 95945
- Practice phone
- Call (530) 272-3411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sierra Ambulatory Surgery Center - Grass Valley
Surgery Center - Medicare-Certified · Grass Valley, California
Find Dr. Leng'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. Cheri Leng is an ophthalmologist in Grass Valley, California
Dr. Leng practices at Sierra Ambulatory Surgery Center - Grass Valley in Grass Valley, California.
Dr. Leng's NPI, 1962473439, was assigned on January 31, 2006. Dr. Leng graduated from University of Washington School of Medicine in 2004. Dr. Leng holds Oregon license MD222223.
- NPI
- 1962473439NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406923846
- NPI enumeration date
- January 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 272-3411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cheri Leng practices at Sierra Ambulatory Surgery Center - Grass Valley in Grass Valley, California
Dr. Leng's primary practice is Sierra Ambulatory Surgery Center - Grass Valley, at 400 Sierra College Drive Suite B, Grass Valley, CA 95945. The practice phone is (530) 272-3411.
- Sierra Ambulatory Surgery Center - Grass Valley400 Sierra College Drive Suite B, Grass Valley, CA 95945Phone(530) 272-3411
Source: Dmand AI Affiliation Data
Dr. Cheri Leng is affiliated with 4 sites of care and 3 medical groups
Dr. Leng's primary practice is Sierra Ambulatory Surgery Center - Grass Valley in Grass Valley, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Leng to 2 more group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cheri Leng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leng practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sierra Ambulatory Surgery Center - Grass Valley | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cheri Leng is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Leng's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Leng's licenses on file in 3 states: Oregon, California and Washington.
Specialties and state licenses
- Ophthalmology, OregonPrimary
- California license
- Washington license
Ophthalmologists near Dr. Leng
Counts of ophthalmologists 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. Cheri Leng billed Medicare for 1,554 services in 2024
CMS data shows 1,554 Medicare services from Dr. Leng across 13 procedure codes in 2024, for 500 Medicare patients. Medicare paid $206,818 for them.
Dr. Leng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5972024: 5882%
- Surgery
- 2023: 3412024: 48843%
- Office and hospital visits
- 2023: 2912024: 3086%
- Tests and treatments
- 2023: 2002024: 17015%
Where Dr. Leng's Medicare services took place, 2024
- In an office1,06669%
- In a facility48831%
Dr. Leng compared with the California median for ophthalmologists, 2024
- Dr. Leng
- California median
- Medicare services
- 1,554vs 1,07944% above
- Medicare patients
- 500vs 42119% above
- Part D claims
- 487vs 61821% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Leng'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leng and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cheri Leng treated 500 Medicare patients in 2024, average age 75
CMS counts 500 Medicare patients who saw Dr. Leng in 2024. The largest group is 75 to 84, with 223 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leng's median patient age at 74, with 56% women.
Dr. Leng's Medicare patients by age, 2024
Dr. Leng's Medicare patients by sex, 2024
- Women32565%
- Men17535%
Chronic conditions among Dr. Leng's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis47%
- Mood disorders26%
- Anxiety22%
- Ischemic heart disease22%
- Depression21%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cheri Leng wrote 553 Medicare Part D claims in 2024
In 2024, Dr. Leng wrote 553 Medicare Part D claims for 325 patients. 85% of them were for generic drugs. CMS names the drug for 487 of them, across 8 drugs with 11 or more claims each, at $16,271 in total drug cost. In 2023, CMS named 432 claims across 7 drugs.
Dr. Leng's Part D claims by kind of drug, 2024
- Generic470 claims85%
- Brand-name83 claims15%
Dr. Leng'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: 4322024: 48713%
Drugs named by CMS: 8 in 2024, 7 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. Cheri Leng scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Leng for performance year 2024, reported as part of a group. Dr. Leng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 520 procedures of cataract surgery by Dr. Leng, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Leng ranks in Medicare procedure volume
- Cataract surgery
- 95th percentile520 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Cheri Leng received $946 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Leng from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Aerie Pharmaceuticals, Inc. paid the most, $236.
General payments to Dr. Leng by program year, 2016 to 2025
Companies that paid Dr. Leng the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cheri Leng graduated from University of Washington School of Medicine
Dr. Leng graduated from University of Washington School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cheri Leng'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Cheri Leng
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. Cheri Leng's NPI number?
Dr. Cheri Leng's NPI number is 1962473439. It was assigned on January 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Cheri Leng?
Dr. Cheri Leng is an ophthalmologist in Grass Valley, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Cheri Leng practice?
Dr. Leng practices at 400 Sierra College Drive Suite B, Grass Valley, CA 95945. Dr. Leng's primary practice is Sierra Ambulatory Surgery Center - Grass Valley in Grass Valley, California. Dmand AI also links Dr. Leng to 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Dr. Cheri Leng's office phone number?
The practice phone on file for Dr. Leng is (530) 272-3411.
What is Dr. Cheri Leng's medical license number?
Dr. Leng holds Oregon license MD222223, one of the licenses on file in 3 states.
Which states has Dr. Cheri Leng been licensed in?
Dmand AI has state licenses on file for Dr. Leng in Oregon, California and Washington.
What medical group is Dr. Cheri Leng part of?
Dr. Leng is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Leng to 2 more medical groups.
Does Dr. Cheri Leng accept Medicare?
Yes. CMS data shows Dr. Leng billed Medicare for 1,554 services in 2024, and Dr. Leng accepts Medicare assignment.
What is Dr. Cheri Leng's MIPS score?
Dr. Leng's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Cheri Leng see?
CMS counts 500 Medicare patients who saw Dr. Leng in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Cheri Leng bill to Medicare?
In 2024, Dr. Leng's most billed Medicare services were ultrasound (76519), surgery: eye (66984) and office visit, established patient (99212).
Where did Dr. Cheri Leng go to medical school?
Dr. Leng graduated from University of Washington School of Medicine in 2004.
What drugs does Dr. Cheri Leng prescribe most?
In 2024 Medicare Part D data, Dr. Leng's most prescribed drugs by claims were Ketorolac Tromethamine, Erythromycin and Latanoprost.
Has Dr. Cheri Leng received payments from drug or device companies?
CMS Open Payments shows $946 in general payments to Dr. Leng from 10 companies from 2016 to 2025. The largest total came from Aerie Pharmaceuticals, Inc.
How long has Dr. Cheri Leng been practicing?
Dr. Leng graduated from medical school in 2004, 22 years ago.
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