Dr. Steven E. Locke, MD
- Medicare services, 2024
- 134
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 218
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1520 N Mountain Ave, Ontario, CA 91762
- Practice phone
- Call (617) 283-6699
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Locke'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. Steven E. Locke is a psychiatrist in Ontario, California
Dr. Locke practices in Ontario, California.
Dr. Locke's NPI, 1740220284, was assigned on June 6, 2006. Dr. Locke graduated from Columbia University College of Physicians and Surgeons in 1972. Dr. Locke holds Massachusetts license 36416.
- NPI
- 1740220284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476570300
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 283-6699
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven E. Locke's practice address is in Ontario, California
Dr. Locke's practice address in the NPI Registry is 1520 N Mountain Ave, Ontario, CA 91762, in San Bernardino County. The practice phone is (617) 283-6699.
- NPI Registry address1520 N Mountain Ave, Ontario, CA 91762 · San Bernardino CountyPhone(617) 283-6699
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Steven E. Locke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Locke practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Locke's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven E. Locke is one of 6,803 psychiatrists in California
Psychiatry is Dr. Locke's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Locke is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Locke
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. Steven E. Locke billed Medicare for 134 services in 2024
CMS data shows 134 Medicare services from Dr. Locke across 2 procedure codes in 2024, for 18 Medicare patients. Medicare paid $10,196 for them. Every service was in an office.
Dr. Locke's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 622024: 7216%
- Office and hospital visits
- 2023: 512024: 6222%
Dr. Locke compared with the California median for psychiatrists, 2024
- Dr. Locke
- California median
- Medicare services
- 134vs 11913% above
- Medicare patients
- 18vs 4156% below
- Part D claims
- 114vs 14421% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Locke'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Locke and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven E. Locke treated 18 Medicare patients in 2024, average age 72
CMS counts 18 Medicare patients who saw Dr. Locke in 2024. 75% of them have depression, and 75% have mood disorders. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Locke's median patient age at 70, with 34% women.
Chronic conditions among Dr. Locke's Medicare patients, 2024
- Depression75%
- Mood disorders75%
- Anxiety72%
- High cholesterol61%
Share of Medicare patients with each condition. A patient can have several.
Dr. Locke'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
- Women34%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven E. Locke wrote 218 Medicare Part D claims in 2024
In 2024, Dr. Locke wrote 218 Medicare Part D claims for 24 patients. 99% of them were for generic drugs. CMS names the drug for 114 of them, across 5 drugs with 11 or more claims each, at $5,191 in total drug cost. In 2023, CMS named 78 claims across 5 drugs.
Dr. Locke's Part D claims by kind of drug, 2024
- Generic216 claims99%
- Brand-name and other2 claims1%
Dr. Locke'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: 782024: 11446%
Drugs named by CMS: 5 in 2024, 5 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. Steven E. Locke offers telehealth to Medicare patients
Dr. Locke accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Locke as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steven E. Locke graduated from Columbia University College of Physicians and Surgeons
Dr. Locke graduated from Columbia University College of Physicians and Surgeons in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven E. Locke'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 |
| 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) |
| 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. Steven E. Locke
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. Steven E. Locke's NPI number?
Dr. Steven E. Locke's NPI number is 1740220284. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven E. Locke?
Dr. Steven E. Locke is a psychiatrist in Ontario, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Steven E. Locke practice?
Dr. Locke practices at 1520 N Mountain Ave, Ontario, CA 91762.
What is Dr. Steven E. Locke's office phone number?
The practice phone on file for Dr. Locke is (617) 283-6699.
What is Dr. Steven E. Locke's medical license number?
Dr. Locke holds Massachusetts license 36416.
Does Dr. Steven E. Locke accept Medicare?
Yes. CMS data shows Dr. Locke billed Medicare for 134 services in 2024, and Dr. Locke accepts Medicare assignment.
Does Dr. Steven E. Locke offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Locke as offering telehealth services.
How many Medicare patients does Dr. Steven E. Locke see?
CMS counts 18 Medicare patients who saw Dr. Locke in 2024, with an average age of 72.
What services does Dr. Steven E. Locke bill to Medicare?
In 2024, Dr. Locke's most billed Medicare services were psychiatric service (90833) and office visit, established patient (99214).
Where did Dr. Steven E. Locke go to medical school?
Dr. Locke graduated from Columbia University College of Physicians and Surgeons in 1972.
What drugs does Dr. Steven E. Locke prescribe most?
In 2024 Medicare Part D data, Dr. Locke's most prescribed drugs by claims were Duloxetine HCl, Nortriptyline HCl and Bupropion XL.
How long has Dr. Steven E. Locke been practicing?
Dr. Locke graduated from medical school in 1972, 54 years ago.
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