Dr. Douglas Eugene Hanlin, MD
- Medicare services, 2024
- 120
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 2,340
- Hospital affiliations
- 1
- Industry payments
- $27
- Practice address
- 2500 Alhambra Avenue, Martinez, CA 94553
- Practice phone
- Call (925) 370-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hanlin'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.
Dr. Douglas Eugene Hanlin is a psychiatrist in Martinez, California
Dr. Hanlin practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Dr. Hanlin's NPI, 1447342902, was assigned on September 29, 2006. Dr. Hanlin graduated from University of Toledo College of Medicine and Life Sciences in 1982. Dr. Hanlin holds California license G86099.
- NPI
- 1447342902NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941478044
- NPI enumeration date
- September 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas Eugene Hanlin practices at Contra Costa Regional Medical Center in Martinez, California
Dr. Hanlin's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.
- Contra Costa Regional Medical Center2500 Alhambra Avenue, Martinez, CA 94553 · Contra Costa CountyPhone(925) 370-5000
Source: Dmand AI Affiliation Data
Dr. Douglas Eugene Hanlin is affiliated with 1 site of care and 1 medical group
Dr. Hanlin's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is West County Adult Mental Health Services. Dr. Hanlin's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas Eugene Hanlin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hanlin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Contra Costa Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across State of California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Douglas Eugene Hanlin is one of 6,803 psychiatrists in California
Psychiatry is Dr. Hanlin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Hanlin is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Hanlin's licenses on file in 4 states: California, Georgia, South Carolina and Michigan.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Georgia license
- South Carolina license
- Michigan license
Clinical focus
Dmand AI lists alcohol use disorders, anxiety, bipolar disorder, depression, intellectual and developmental disabilities and schizophrenia among the conditions Dr. Hanlin treats.
Psychiatrists near Dr. Hanlin
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. Douglas Eugene Hanlin billed Medicare for 120 services in 2024
CMS data shows 120 Medicare services from Dr. Hanlin across 2 procedure codes in 2024, all of them office visits, for 42 Medicare patients. Medicare paid $11,543 for them. Every service was in an office.
Dr. Hanlin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3892024: 12069%
Dr. Hanlin compared with the California median for psychiatrists, 2024
- Dr. Hanlin
- California median
- Medicare services
- 120vs 119Close to median
- Medicare patients
- 42vs 41Close to median
- Part D claims
- 2,196vs 14415.3 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Hanlin'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. Hanlin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hanlin and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas Eugene Hanlin treated 42 Medicare patients in 2024, average age 53
CMS counts 42 Medicare patients who saw Dr. Hanlin in 2024. The largest group is under 65, with 30 patients. 64% of them have schizophrenia and other psychoses, and 57% have mood disorders. 100% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hanlin's median patient age at 44, with 36% women.
Dr. Hanlin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hanlin's Medicare patients by sex, 2024
- Women1843%
- Men2457%
Chronic conditions among Dr. Hanlin's Medicare patients, 2024
- Schizophrenia and other psychoses64%
- Mood disorders57%
- Anxiety50%
- Depression43%
- High cholesterol43%
- Tobacco use40%
- High blood pressure36%
- Alcohol and drug use disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hanlin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas Eugene Hanlin wrote 2,340 Medicare Part D claims in 2024
In 2024, Dr. Hanlin wrote 2,340 Medicare Part D claims for 181 patients. 91% of them were for generic drugs. CMS names the drug for 2,196 of them, across 51 drugs with 11 or more claims each, at $481,345 in total drug cost. In 2023, CMS named 2,376 claims across 57 drugs.
Dr. Hanlin's Part D claims by kind of drug, 2024
- Generic2,125 claims91%
- Brand-name215 claims9%
Dr. Hanlin'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. Hanlin's Part D claims, 2024
- Antipsychotics, patients 65 and over8%192 of 2,340 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: 2,3762024: 2,1968%
Drugs named by CMS: 51 in 2024, 57 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. Douglas Eugene Hanlin offers telehealth to Medicare patients
Dr. Hanlin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hanlin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Douglas Eugene Hanlin received $27 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Hanlin from 1 drug or device company in 2024. Education make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $27.
Companies that paid Dr. Hanlin the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas Eugene Hanlin graduated from University of Toledo College of Medicine and Life Sciences
Dr. Hanlin graduated from University of Toledo College of Medicine and Life Sciences in 1982.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas Eugene Hanlin'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 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 |
| 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. Douglas Eugene Hanlin
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. Douglas Eugene Hanlin's NPI number?
Dr. Douglas Eugene Hanlin's NPI number is 1447342902. It was assigned on September 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas Eugene Hanlin?
Dr. Douglas Eugene Hanlin is a psychiatrist in Martinez, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Douglas Eugene Hanlin practice?
Dr. Hanlin practices at 2500 Alhambra Avenue, Martinez, CA 94553. Dr. Hanlin's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California.
What is Dr. Douglas Eugene Hanlin's office phone number?
The practice phone on file for Dr. Hanlin is (925) 370-5000.
What is Dr. Douglas Eugene Hanlin's medical license number?
Dr. Hanlin holds California license G86099, one of the licenses on file in 4 states.
Which states has Dr. Douglas Eugene Hanlin been licensed in?
Dmand AI has state licenses on file for Dr. Hanlin in California (since 2026), Georgia, South Carolina (1990 to 2001) and Michigan (1985 to 1993).
Which hospitals is Dr. Douglas Eugene Hanlin affiliated with?
Dr. Hanlin practices at Contra Costa Regional Medical Center in Martinez, California.
What medical group is Dr. Douglas Eugene Hanlin part of?
Dr. Hanlin is linked to West County Adult Mental Health Services.
Does Dr. Douglas Eugene Hanlin accept Medicare?
Yes. CMS data shows Dr. Hanlin billed Medicare for 120 services in 2024, and Dr. Hanlin accepts Medicare assignment.
Does Dr. Douglas Eugene Hanlin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hanlin as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Douglas Eugene Hanlin see?
CMS counts 42 Medicare patients who saw Dr. Hanlin in 2024, with an average age of 53.
Is Dr. Douglas Eugene Hanlin board certified?
Yes. Dr. Hanlin is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Douglas Eugene Hanlin bill to Medicare?
In 2024, Dr. Hanlin's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Douglas Eugene Hanlin go to medical school?
Dr. Hanlin graduated from University of Toledo College of Medicine and Life Sciences in 1982.
What drugs does Dr. Douglas Eugene Hanlin prescribe most?
In 2024 Medicare Part D data, Dr. Hanlin's most prescribed drugs by claims were Clonazepam, Olanzapine and Quetiapine Fumarate.
Has Dr. Douglas Eugene Hanlin received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Hanlin from 1 company from 2024 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Douglas Eugene Hanlin been practicing?
Dr. Hanlin graduated from medical school in 1982, 44 years ago.
Selling to psychiatry practices?
See psychiatrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card