Dr. Gregory Smith McFadden, MD

  • Oroville, CA
  • Psychiatrist
NPI1780622431PAC ID8123204815
Medicare services, 2024
364
Medicare patients, 2024
82
Part D claims, 2024
3,137
Hospital affiliations
2
Industry payments
$319
Practice address
2767 Olive Highway, Oroville, CA 95966
Practice phone
Call (530) 533-8500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Oroville Hospital

Hospital · Oroville, California

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Dr. Gregory Smith McFadden is a psychiatrist in Oroville, California

Dr. McFadden practices at Oroville Hospital in Oroville, California, part of Oro Hospital.

Dr. McFadden's NPI, 1780622431, was assigned on June 3, 2006. Dr. McFadden graduated from John A. Burns School of Medicine in 1987. Dr. McFadden holds California license G60437.

NPI and contact details
Medicare PAC ID
8123204815
NPI enumeration date
June 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(530) 533-8500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
70
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory Smith McFadden practices at Oroville Hospital in Oroville, California

Dr. McFadden's primary practice is Oroville Hospital, at 2767 Olive Highway, Oroville, CA 95966 in Butte County. The practice phone is (530) 533-8500.

  • Oroville Hospital
    2767 Olive Highway, Oroville, CA 95966 · Butte CountyPhone(530) 533-8500

Source: Dmand AI Affiliation Data

Dr. Gregory Smith McFadden is affiliated with 2 sites of care and 1 medical group

Dr. McFadden's primary practice is Oroville Hospital in Oroville, California, part of Oro Hospital. Dr. McFadden is also affiliated with Enloe Health. The medical group on file is Butte County Department of Behavioral Health.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gregory Smith McFadden's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McFadden practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oroville HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Smith McFadden is one of 6,803 psychiatrists in California

Psychiatry is Dr. McFadden's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. McFadden is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. McFadden's licenses on file in 3 states: California, Hawaii and Maryland.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense G60437 · 1987 to 2027 · taxonomy 2084P0800X
  • Hawaii license2018 to 2022
  • Maryland license1984 to 1989

Clinical focus

Dmand AI lists ADHD, anxiety, bipolar disorder, depression and schizophrenia among the conditions Dr. McFadden treats.

Psychiatrists near Dr. McFadden

Counts of psychiatrists 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. Gregory Smith McFadden billed Medicare for 364 services in 2024

CMS data shows 364 Medicare services from Dr. McFadden across 2 procedure codes in 2024, all of them office visits, for 82 Medicare patients. Medicare paid $26,030 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024364
Medicare patients82
Paid by Medicare$26,030
Procedure codes2

Dr. McFadden's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4512024: 36419%

Dr. McFadden compared with the California median for psychiatrists, 2024

  • Dr. McFadden
  • California median
Medicare services
364vs 1193.1 times
Medicare patients
82vs 412.0 times
Part D claims
3,033vs 14421.1 times

Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.

Dr. McFadden'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.

See all procedures by Dr. McFadden

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregory Smith McFadden treated 82 Medicare patients in 2024, average age 57

CMS counts 82 Medicare patients who saw Dr. McFadden in 2024. The largest group is under 65, with 54 patients. 70% of them have schizophrenia and other psychoses, and 61% have mood disorders. 100% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. McFadden's median patient age at 45, with 53% women.

Medicare patients, 202482
Average age57
Average risk score1.43
Also on Medicaid100%

Dr. McFadden's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. McFadden's Medicare patients by sex, 2024

  • Women4049%
  • Men4251%

Chronic conditions among Dr. McFadden's Medicare patients, 2024

  1. Schizophrenia and other psychoses70%
  2. Mood disorders61%
  3. High blood pressure55%
  4. Anxiety52%
  5. High cholesterol52%
  6. Bipolar disorder51%
  7. Diabetes32%
  8. Depression27%

Share of Medicare patients with each condition. A patient can have several.

Dr. McFadden's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory Smith McFadden wrote 3,137 Medicare Part D claims in 2024

In 2024, Dr. McFadden wrote 3,137 Medicare Part D claims for 96 patients. 89% of them were for generic drugs. CMS names the drug for 3,033 of them, across 53 drugs with 11 or more claims each, at $758,988 in total drug cost. In 2023, CMS named 3,800 claims across 63 drugs.

Part D claims, 20243,137
Drugs named by CMS53
Total drug cost$758,988
Part D patients96

Dr. McFadden's Part D claims by kind of drug, 2024

  • Generic2,807 claims89%
  • Brand-name330 claims11%

Dr. McFadden'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.

Drug classes CMS tracks in Dr. McFadden's Part D claims, 2024

  • Antipsychotics, patients 65 and over10%314 of 3,137 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,8002024: 3,03320%

Drugs named by CMS: 53 in 2024, 63 in 2023.

See all prescribing by Dr. McFadden

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

How Dr. Gregory Smith McFadden takes part in Medicare

Dr. McFadden 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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Dr. Gregory Smith McFadden received $319 in industry payments from 2016 to 2020

CMS Open Payments shows 11 general payments to Dr. McFadden from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $200.

General payments to Dr. McFadden by program year, 2016 to 2020

Companies that paid Dr. McFadden the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. McFadden

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gregory Smith McFadden graduated from John A. Burns School of Medicine

Dr. McFadden graduated from John A. Burns School of Medicine in 1987.

  1. Medical schoolJohn A. Burns School of Medicine
  2. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Gregory Smith McFadden accepts plans from 3 insurance carriers

Dr. McFadden is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare

Plan types Dr. McFadden accepts, by number of carriers

  1. Medicare3
  2. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Gregory Smith McFadden's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory Smith McFadden

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. Gregory Smith McFadden's NPI number?

Dr. Gregory Smith McFadden's NPI number is 1780622431. It was assigned on June 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Smith McFadden?

Dr. Gregory Smith McFadden is a psychiatrist in Oroville, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Gregory Smith McFadden practice?

Dr. McFadden practices at 2767 Olive Highway, Oroville, CA 95966. Dr. McFadden's primary practice is Oroville Hospital in Oroville, California, part of Oro Hospital.

What is Dr. Gregory Smith McFadden's office phone number?

The practice phone on file for Dr. McFadden is (530) 533-8500.

What is Dr. Gregory Smith McFadden's medical license number?

Dr. McFadden holds California license G60437, one of the licenses on file in 3 states.

Which states has Dr. Gregory Smith McFadden been licensed in?

Dmand AI has state licenses on file for Dr. McFadden in California (1987 to 2027), Hawaii (2018 to 2022) and Maryland (1984 to 1989).

Which hospitals is Dr. Gregory Smith McFadden affiliated with?

Dr. McFadden practices at Oroville Hospital in Oroville, California. Dr. McFadden is also affiliated with Enloe Health.

What medical group is Dr. Gregory Smith McFadden part of?

Dr. McFadden is linked to Butte County Department of Behavioral Health.

Does Dr. Gregory Smith McFadden accept Medicare?

Yes. CMS data shows Dr. McFadden billed Medicare for 364 services in 2024, and Dr. McFadden accepts Medicare assignment.

How many Medicare patients does Dr. Gregory Smith McFadden see?

CMS counts 82 Medicare patients who saw Dr. McFadden in 2024, with an average age of 57.

Show 7 more questionsShow fewer questions

Is Dr. Gregory Smith McFadden board certified?

Yes. Dr. McFadden is board certified in psychiatry by the American Board of Psychiatry and Neurology.

What services does Dr. Gregory Smith McFadden bill to Medicare?

In 2024, Dr. McFadden's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Gregory Smith McFadden go to medical school?

Dr. McFadden graduated from John A. Burns School of Medicine in 1987.

What drugs does Dr. Gregory Smith McFadden prescribe most?

In 2024 Medicare Part D data, Dr. McFadden's most prescribed drugs by claims were Olanzapine, Lurasidone HCl and Gabapentin.

Has Dr. Gregory Smith McFadden received payments from drug or device companies?

CMS Open Payments shows $319 in general payments to Dr. McFadden from 5 companies from 2016 to 2020. The largest total came from Neurocrine BioSciences, Inc.

How long has Dr. Gregory Smith McFadden been practicing?

Dr. McFadden graduated from medical school in 1987, 39 years ago.

What insurance does Dr. Gregory Smith McFadden accept?

Dr. McFadden is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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