Melissa S. Ngo, OD
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 125
- Industry payments
- $29
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 958 Moraga Rd, Lafayette, CA 94549-4525
- Practice phone
- Call (925) 283-3821
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Frank G Zheng O.d. INC
Eye care practice · Lafayette, California
Find Melissa Ngo'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.
Melissa S. Ngo is an optometrist in Saint Helena, California
Melissa Ngo practices at Frank G Zheng O.d. INC in Lafayette, California.
Melissa Ngo's NPI, 1184022691, was assigned on December 15, 2014. Melissa Ngo holds California license 15018.
- NPI
- 1184022691NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153603410
- NPI enumeration date
- December 15, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 283-3821
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Melissa S. Ngo practices in Lafayette and Saint Helena
Melissa Ngo's primary practice is Frank G Zheng O.d. INC, at 958 Moraga Rd, Lafayette, CA 94549-4525. The practice phone is (925) 283-3821. The NPI Registry lists Melissa Ngo's practice address as 6 Woodland Rd, Saint Helena, CA 94574.
- Frank G Zheng O.d. INCPrimary958 Moraga Rd, Lafayette, CA 94549-4525Phone(925) 283-3821
- NPI Registry address6 Woodland Rd, Saint Helena, CA 94574 · Napa County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Melissa S. Ngo is affiliated with 1 site of care and 1 medical group
Melissa Ngo's primary practice is Frank G Zheng O.d. INC in Lafayette, California. Dmand AI also links Melissa Ngo to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Melissa S. Ngo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Melissa Ngo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Frank G Zheng O.d. INC | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Melissa S. Ngo is one of 7,206 optometrists in California
Optometrist is Melissa Ngo's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Melissa Ngo is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Melissa Ngo
Counts of optometrists 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
Melissa S. Ngo treated 118 Medicare patients in 2024, average age 76
CMS counts 118 Medicare patients who saw Melissa Ngo in 2024. The largest group is 75 to 84, with 56 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Melissa Ngo's median patient age at 69, with 65% women.
Melissa Ngo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Melissa Ngo's Medicare patients by sex, 2024
- Women6958%
- Men4942%
Chronic conditions among Melissa Ngo's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis37%
- Osteoporosis31%
- Anxiety16%
- Atrial fibrillation16%
- Cancer14%
- Ischemic heart disease14%
Share of Medicare patients with each condition. A patient can have several.
Melissa Ngo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women65%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Melissa S. Ngo wrote 125 Medicare Part D claims in 2024
In 2024, Melissa Ngo wrote 125 Medicare Part D claims for 45 patients. 50% of them were for generic drugs.
Melissa Ngo's Part D claims by kind of drug, 2024
- Generic62 claims50%
- Brand-name63 claims50%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Melissa S. Ngo takes part in Medicare
Melissa Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Melissa S. Ngo received $29 in industry payments in 2025
CMS Open Payments shows 1 general payment to Melissa Ngo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $29.
Companies that paid Melissa Ngo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Melissa S. Ngo'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 (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 Melissa S. Ngo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Melissa S. Ngo's NPI number?
Melissa S. Ngo's NPI number is 1184022691. It was assigned on December 15, 2014, and it is active in the NPI Registry.
What does Melissa S. Ngo specialize in?
Melissa S. Ngo is an optometrist in Saint Helena, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Melissa S. Ngo practice?
Melissa Ngo practices at 958 Moraga Rd, Lafayette, CA 94549-4525. Melissa Ngo also practices at 6 Woodland Rd, Saint Helena, CA 94574. Melissa Ngo's primary practice is Frank G Zheng O.d. INC in Lafayette, California. Dmand AI also links Melissa Ngo to 1 medical group.
What is Melissa S. Ngo's office phone number?
The practice phone on file for Melissa Ngo is (925) 283-3821.
What is Melissa S. Ngo's medical license number?
Melissa Ngo holds California license 15018.
Does Melissa S. Ngo accept Medicare?
Yes. CMS lists Melissa Ngo as accepting Medicare assignment.
How many Medicare patients does Melissa S. Ngo see?
CMS counts 118 Medicare patients who saw Melissa Ngo in 2024, with an average age of 76.
Has Melissa S. Ngo received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Melissa Ngo from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Melissa S. Ngo been practicing?
Melissa Ngo graduated from medical school in 2014, 12 years ago.
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