Gil J. Grattan, PsyD
- Medicare patients, 2024
- 352
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 6812 N. Oak Avenue, San Gabriel, CA 91775
- Practice phone
- Call (626) 446-5263
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Marino Healthcare Center
Skilled Nursing Facility · San Gabriel, California
Find Gil 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.
Gil J. Grattan is a clinical psychologist in San Gabriel, California
Gil Grattan practices at San Marino Healthcare Center in San Gabriel, California.
Gil Grattan's NPI, 1578996872, was assigned on August 10, 2013. Gil Grattan holds California license PSY25878.
- NPI
- 1578996872NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951535236
- NPI enumeration date
- August 10, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 446-5263
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gil J. Grattan practices at San Marino Healthcare Center in San Gabriel, California
Gil Grattan's primary practice is San Marino Healthcare Center, at 6812 N. Oak Avenue, San Gabriel, CA 91775 in Los Angeles County. The practice phone is (626) 446-5263.
- San Marino Healthcare Center6812 N. Oak Avenue, San Gabriel, CA 91775 · Los Angeles CountyPhone(626) 446-5263
Source: Dmand AI Affiliation Data
Gil J. Grattan is affiliated with 1 site of care
Gil Grattan's primary practice is San Marino Healthcare Center in San Gabriel, California.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gil J. Grattan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gil Grattan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Marino Healthcare Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Gil J. Grattan is one of 3,615 clinical psychologists in California
Clinical is Gil Grattan's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. Gil Grattan is licensed in California.
Specialties and state licenses
- Clinical psychologist, CaliforniaPrimary
Clinical psychologists near Gil Grattan
Counts of clinical psychologists 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
Gil J. Grattan treated 352 Medicare patients in 2024, average age 71
CMS counts 352 Medicare patients who saw Gil Grattan in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have anxiety, and 75% have depression. 88% are also on Medicaid. Their average risk score is 2.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gil Grattan's median patient age at 73, with 51% women.
Gil Grattan's Medicare patients by age, 2024
Gil Grattan's Medicare patients by sex, 2024
- Women19856%
- Men15444%
Chronic conditions among Gil Grattan's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Arthritis74%
- Schizophrenia and other psychoses66%
- Diabetes59%
Share of Medicare patients with each condition. A patient can have several.
Gil 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 73
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Gil J. Grattan takes part in Medicare
Gil 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)
Sources for Gil J. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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 Gil J. 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 Gil J. Grattan's NPI number?
Gil J. Grattan's NPI number is 1578996872. It was assigned on August 10, 2013, and it is active in the NPI Registry.
What does Gil J. Grattan specialize in?
Gil J. Grattan is a clinical psychologist in San Gabriel, California. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).
Where does Gil J. Grattan practice?
Gil Grattan practices at 6812 N. Oak Avenue, San Gabriel, CA 91775. Gil Grattan's primary practice is San Marino Healthcare Center in San Gabriel, California.
What is Gil J. Grattan's office phone number?
The practice phone on file for Gil Grattan is (626) 446-5263.
What is Gil J. Grattan's medical license number?
Gil Grattan holds California license PSY25878.
Does Gil J. Grattan accept Medicare?
Yes. CMS lists Gil Grattan as accepting Medicare assignment.
How many Medicare patients does Gil J. Grattan see?
CMS counts 352 Medicare patients who saw Gil Grattan in 2024, with an average age of 71.
How long has Gil J. Grattan been practicing?
Gil Grattan graduated from medical school in 2006, 20 years ago.
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