Dr. Gerrard F.a. Ferrer, DO
- Medicare services, 2024
- 18,838
- Medicare patients, 2024
- 516
- Part D claims, 2024
- 2,409
- Hospital affiliations
- 5
- Industry payments
- $22,648
- Practice address
- 200 W Center Street Promenade, Anaheim, CA 92805
- Practice phone
- Call (657) 640-8090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence at Home With Compassus Home Health Orange County
Home Health Agency - Main Office · Anaheim, California
Find Dr. Ferrer's professional email, personal email and mobile number
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Dr. Gerrard F.a. Ferrer is a neurologist in Santa Rosa, California
Dr. Ferrer practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California.
Dr. Ferrer's NPI, 1689719353, was assigned on February 21, 2007. Dr. Ferrer graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1995. Dr. Ferrer holds New Jersey license MB70876.
- NPI
- 1689719353NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638202245
- NPI enumeration date
- February 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (657) 640-8090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerrard F.a. Ferrer practices in Anaheim and Santa Rosa
Dr. Ferrer's primary practice is Providence at Home With Compassus Home Health Orange County, at 200 W Center Street Promenade, Anaheim, CA 92805. The practice phone is (657) 640-8090. Dr. Ferrer also practices at Providence Medical Foundation, 1194 Montgomery Dr, Santa Rosa, CA 95405.
- Providence at Home With Compassus Home Health Orange CountyPrimary200 W Center Street Promenade, Anaheim, CA 92805Phone(657) 640-8090
- Providence Medical Foundation1194 Montgomery Dr, Santa Rosa, CA 95405 · Sonoma CountyPhone(714) 449-4900
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gerrard F.a. Ferrer is affiliated with 7 sites of care and 1 medical group
Dr. Ferrer's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dr. Ferrer is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Ferrer to 4 more hospitals and 1 hospice, each named with a free account. Dr. Ferrer's employer is on file too: a home health agency.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerrard F.a. Ferrer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferrer practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence at Home With Compassus Home Health Orange County | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerrard F.a. Ferrer is one of 2,207 neurologists in California
Neurology is Dr. Ferrer's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Ferrer is board certified in epilepsy by the American Board of Psychiatry and Neurology. Dr. Ferrer is licensed in New Jersey.
Specialties and state licenses
- Neurology, New JerseyPrimary
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, cerebrovascular disease, encephalopathy, epilepsy, essential tremor and hereditary polyneuropathy among the conditions Dr. Ferrer treats.
Neurologists near Dr. Ferrer
Counts of neurologists 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. Gerrard F.a. Ferrer billed Medicare for 18,838 services in 2024
CMS data shows 18,838 Medicare services from Dr. Ferrer across 9 procedure codes in 2024, for 516 Medicare patients. Medicare paid $188,685 for them.
Dr. Ferrer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 14,5232024: 18,08525%
- Office and hospital visits
- 2023: 6802024: 6544%
- Surgery
- 2023: 392024: 6054%
- Tests and treatments
- 2023: 942024: 3959%
Where Dr. Ferrer's Medicare services took place, 2024
- In an office18,780100%
- In a facility580%
Dr. Ferrer compared with the California median for neurologists, 2024
- Dr. Ferrer
- California median
- Medicare services
- 18,838vs 40446.6 times
- Medicare patients
- 516vs 1902.7 times
- Part D claims
- 2,171vs 3246.7 times
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Ferrer'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.
Need commercial claims for Dr. Ferrer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ferrer and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerrard F.a. Ferrer treated 516 Medicare patients in 2024, average age 73
CMS counts 516 Medicare patients who saw Dr. Ferrer in 2024. The largest group is 75 to 84, with 192 patients. 72% of them have high cholesterol, and 65% have high blood pressure. 35% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ferrer's median patient age at 73, with 59% women.
Dr. Ferrer's Medicare patients by age, 2024
Dr. Ferrer's Medicare patients by sex, 2024
- Women29156%
- Men22544%
Chronic conditions among Dr. Ferrer's Medicare patients, 2024
- High cholesterol72%
- High blood pressure65%
- Arthritis43%
- Mood disorders39%
- Anxiety35%
- Depression34%
- Ischemic heart disease24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ferrer'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
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerrard F.a. Ferrer wrote 2,409 Medicare Part D claims in 2024
In 2024, Dr. Ferrer wrote 2,409 Medicare Part D claims for 458 patients. 90% of them were for generic drugs. CMS names the drug for 2,171 of them, across 38 drugs with 11 or more claims each, at $288,910 in total drug cost. In 2023, CMS named 1,293 claims across 31 drugs.
Dr. Ferrer's Part D claims by kind of drug, 2024
- Generic2,170 claims90%
- Brand-name218 claims9%
- Other21 claims1%
Dr. Ferrer'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: 1,2932024: 2,17168%
Drugs named by CMS: 38 in 2024, 31 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. Gerrard F.a. Ferrer offers telehealth to Medicare patients
Dr. Ferrer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ferrer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gerrard F.a. Ferrer received $22,648 in industry payments from 2016 to 2025
CMS Open Payments shows 911 general payments to Dr. Ferrer from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Abbvie Inc. paid the most, $3,989.
General payments to Dr. Ferrer by program year, 2016 to 2025
General payments to Dr. Ferrer by kind, 2016 to 2025
- Food and beverage$18,32281%
- Travel and lodging$4,01618%
- Education$3101%
Companies that paid Dr. Ferrer 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. Gerrard F.a. Ferrer graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury
Dr. Ferrer graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1995.
- Medical school
- Board certified in epilepsy
- Board certified in neurology
- Board certified in 2015 - 2026
- Board certified in 2015 - 2017
- Board certified in 2000 - 2017
- Board certified in 1999 - 2023
- Board certified in 2016 - 2025
Source: Dmand AI Professional Profile Data
Dr. Gerrard F.a. Ferrer accepts plans from 13 insurance carriers
Dr. Ferrer is in network with 13 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Ferrer accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gerrard F.a. Ferrer'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 DataDmand AI Practice 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gerrard F.a. Ferrer
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. Gerrard F.a. Ferrer's NPI number?
Dr. Gerrard F.a. Ferrer's NPI number is 1689719353. It was assigned on February 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerrard F.a. Ferrer?
Dr. Gerrard F.a. Ferrer is a neurologist in Santa Rosa, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Gerrard F.a. Ferrer practice?
Dr. Ferrer practices at 200 W Center Street Promenade, Anaheim, CA 92805. Dr. Ferrer also practices at 1194 Montgomery Dr, Santa Rosa, CA 95405. Dr. Ferrer's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dmand AI also links Dr. Ferrer to 4 hospitals and 1 hospice.
What is Dr. Gerrard F.a. Ferrer's office phone number?
The practice phone on file for Dr. Ferrer is (657) 640-8090.
What is Dr. Gerrard F.a. Ferrer's medical license number?
Dr. Ferrer holds New Jersey license MB70876.
Which hospitals is Dr. Gerrard F.a. Ferrer affiliated with?
Dr. Ferrer is affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Dr. Ferrer to 4 more hospitals.
What medical group is Dr. Gerrard F.a. Ferrer part of?
Dr. Ferrer is linked to St. Jude Heritage Medical Group.
Does Dr. Gerrard F.a. Ferrer accept Medicare?
Yes. CMS data shows Dr. Ferrer billed Medicare for 18,838 services in 2024, and Dr. Ferrer accepts Medicare assignment.
Does Dr. Gerrard F.a. Ferrer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ferrer as offering telehealth services.
How many Medicare patients does Dr. Gerrard F.a. Ferrer see?
CMS counts 516 Medicare patients who saw Dr. Ferrer in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. Gerrard F.a. Ferrer board certified?
Yes. Dr. Ferrer is board certified in epilepsy by the American Board of Psychiatry and Neurology.
What services does Dr. Gerrard F.a. Ferrer bill to Medicare?
In 2024, Dr. Ferrer's most billed Medicare services were injected or infused drug (J0585), office visit, established patient (99215) and office visit, new patient (99205).
Where did Dr. Gerrard F.a. Ferrer go to medical school?
Dr. Ferrer graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1995.
What drugs does Dr. Gerrard F.a. Ferrer prescribe most?
In 2024 Medicare Part D data, Dr. Ferrer's most prescribed drugs by claims were Carbidopa-Levodopa, Donepezil HCl and Gabapentin.
Has Dr. Gerrard F.a. Ferrer received payments from drug or device companies?
CMS Open Payments shows $22,648 in general payments to Dr. Ferrer from 37 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Gerrard F.a. Ferrer been practicing?
Dr. Ferrer graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Gerrard F.a. Ferrer accept?
Dr. Ferrer is in network with 13 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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