Christina Wong Grattan, OD
- Medicare patients, 2024
- 288
- Part D claims, 2024
- 309
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 4825 Torrance Blvd, Torrance, CA 90503
- Practice phone
- Call (310) 793-8075
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Institute
Torrance, California
Find Christina Grattan'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.
Christina Wong Grattan is an optometrist in Torrance, California
Christina Grattan practices at Providence Medical Institute in Torrance, California.
Christina Grattan's NPI, 1194150953, was assigned on September 11, 2013. Christina Grattan holds California license 14709.
- NPI
- 1194150953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759504301
- NPI enumeration date
- September 11, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 793-8075
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christina Wong Grattan practices at Providence Medical Institute in Torrance, California
Christina Grattan's primary practice is Providence Medical Institute, at 4825 Torrance Blvd, Torrance, CA 90503 in Los Angeles County. The practice phone is (310) 793-8075.
- Providence Medical Institute4825 Torrance Blvd, Torrance, CA 90503 · Los Angeles CountyPhone(310) 793-8075
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christina Wong Grattan is affiliated with 3 sites of care and 2 medical groups
Christina Grattan's primary practice is Providence Medical Institute in Torrance, California. The medical group on file is Providence Medical Institute. Dmand AI also links Christina Grattan to 2 more group practices and clinics and 1 medical group, each 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 Christina Wong Grattan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christina Grattan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Institute | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Christina Wong Grattan is one of 7,206 optometrists in California
Optometrist is Christina Grattan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Christina Grattan is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Christina Grattan
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
Christina Wong Grattan treated 288 Medicare patients in 2024, average age 74
CMS counts 288 Medicare patients who saw Christina Grattan in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christina Grattan's median patient age at 70, with 57% women.
Christina Grattan's Medicare patients by age, 2024
Christina Grattan's Medicare patients by sex, 2024
- Women14952%
- Men13948%
Chronic conditions among Christina Grattan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis45%
- Chronic kidney disease30%
- Mood disorders23%
- Depression21%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Christina Grattan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christina Wong Grattan wrote 309 Medicare Part D claims in 2024
In 2024, Christina Grattan wrote 309 Medicare Part D claims for 122 patients. 53% of them were for generic drugs.
Christina Grattan's Part D claims by kind of drug, 2024
- Generic164 claims53%
- Brand-name145 claims47%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Christina Wong Grattan takes part in Medicare
Christina Grattan 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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Sources for Christina Wong Grattan'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 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) |
| 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 Christina Wong Grattan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christina Wong Grattan's NPI number?
Christina Wong Grattan's NPI number is 1194150953. It was assigned on September 11, 2013, and it is active in the NPI Registry.
What does Christina Wong Grattan specialize in?
Christina Wong Grattan is an optometrist in Torrance, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Christina Wong Grattan practice?
Christina Grattan practices at 4825 Torrance Blvd, Torrance, CA 90503. Christina Grattan's primary practice is Providence Medical Institute in Torrance, California. Dmand AI also links Christina Grattan to 2 group practices and clinics and 1 medical group.
What is Christina Wong Grattan's office phone number?
The practice phone on file for Christina Grattan is (310) 793-8075.
What is Christina Wong Grattan's medical license number?
Christina Grattan holds California license 14709.
What medical group is Christina Wong Grattan part of?
Christina Grattan is linked to Providence Medical Institute. Dmand AI links Christina Grattan to 1 more medical group.
Does Christina Wong Grattan accept Medicare?
Yes. CMS lists Christina Grattan as accepting Medicare assignment.
How many Medicare patients does Christina Wong Grattan see?
CMS counts 288 Medicare patients who saw Christina Grattan in 2024, with an average age of 74.
How long has Christina Wong Grattan been practicing?
Christina Grattan graduated from medical school in 2013, 13 years ago.
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