Tracy Wong, OD
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 13
- Industry payments
- $35
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2200 E Willow St, Signal Hill, CA 90755-2132
- Practice phone
- Call (562) 427-8285
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marsha Howard,od & Associates
Eye care practice · Signal Hill, California
Find Tracy Wong'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.
Tracy Wong is an optometrist in El Segundo, California
Tracy Wong practices at Marsha Howard,od & Associates in Signal Hill, California.
Tracy Wong's NPI, 1821177239, was assigned on November 4, 2006. Tracy Wong graduated from Southern California College of Optometry in 2005. Tracy Wong holds California license 12873 T.
- NPI
- 1821177239NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779629092
- NPI enumeration date
- November 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 427-8285
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tracy Wong practices in Signal Hill and El Segundo
Tracy Wong's primary practice is Marsha Howard,od & Associates, at 2200 E Willow St, Signal Hill, CA 90755-2132. The practice phone is (562) 427-8285. The NPI Registry lists Tracy Wong's practice address as 2101 Rosecrans Ave, El Segundo, CA 90245.
- Marsha Howard,od & AssociatesPrimary2200 E Willow St, Signal Hill, CA 90755-2132Phone(562) 427-8285
- NPI Registry address2101 Rosecrans Ave, El Segundo, CA 90245
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Tracy Wong is affiliated with 1 site of care and 1 medical group
Tracy Wong's primary practice is Marsha Howard,od & Associates in Signal Hill, California. Dmand AI also links Tracy Wong 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 Tracy Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tracy Wong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marsha Howard,od & Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Tracy Wong is one of 7,206 optometrists in California
Optometrist is Tracy Wong's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Tracy Wong is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Tracy Wong
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
Tracy Wong treated 15 Medicare patients in 2024, average age 77
CMS counts 15 Medicare patients who saw Tracy Wong in 2024. 73% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tracy Wong's median patient age at 68, with 48% women.
Chronic conditions among Tracy Wong's Medicare patients, 2024
- High blood pressure73%
- High cholesterol73%
Share of Medicare patients with each condition. A patient can have several.
Tracy Wong'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
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tracy Wong wrote 13 Medicare Part D claims in 2024
In 2024, Tracy Wong wrote 13 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tracy Wong takes part in Medicare
Tracy Wong 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)
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Tracy Wong received $35 in industry payments in 2025
CMS Open Payments shows 2 general payments to Tracy Wong from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $19.
Companies that paid Tracy Wong the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Tracy Wong graduated from Southern California College of Optometry
Tracy Wong graduated from Southern California College of Optometry in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Tracy Wong'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) |
| 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 Tracy Wong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tracy Wong's NPI number?
Tracy Wong's NPI number is 1821177239. It was assigned on November 4, 2006, and it is active in the NPI Registry.
What does Tracy Wong specialize in?
Tracy Wong is an optometrist in El Segundo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Tracy Wong practice?
Tracy Wong practices at 2200 E Willow St, Signal Hill, CA 90755-2132. Tracy Wong also practices at 2101 Rosecrans Ave, El Segundo, CA 90245. Tracy Wong's primary practice is Marsha Howard,od & Associates in Signal Hill, California. Dmand AI also links Tracy Wong to 1 medical group.
What is Tracy Wong's office phone number?
The practice phone on file for Tracy Wong is (562) 427-8285.
What is Tracy Wong's medical license number?
Tracy Wong holds California license 12873 T.
Does Tracy Wong accept Medicare?
Yes. CMS lists Tracy Wong as accepting Medicare assignment.
How many Medicare patients does Tracy Wong see?
CMS counts 15 Medicare patients who saw Tracy Wong in 2024, with an average age of 77.
Where did Tracy Wong go to medical school?
Tracy Wong graduated from Southern California College of Optometry in 2005.
Has Tracy Wong received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Tracy Wong from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Tracy Wong been practicing?
Tracy Wong graduated from medical school in 2005, 21 years ago.
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