Dr. Melvin Walker Williams, MD
- Medicare services, 2023
- 47
- Part D claims, 2024
- 27
- Industry payments
- $1,581
- Medical group
- 1
- State license
- 1
- Practice address
- 1001 Lawrence St Ne, Washington, DC 20017-3513
- Practice phone
- Call (202) 635-5941
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Anchor Mental Health Association
Behavioral health facility · Washington, District of Columbia
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Melvin Walker Williams is a psychiatrist in Washington, District of Columbia
Dr. Williams practices at Anchor Mental Health Association in Washington, District of Columbia.
Dr. Williams' NPI, 1033322730, was assigned on May 8, 2007. Dr. Williams holds District of Columbia license MD25482.
- NPI
- 1033322730NPI Registry (opens in a new tab)
- NPI enumeration date
- May 8, 2007
- NPI status
- Active
- Practice phone
- (202) 635-5941
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 85
- Medical school graduation
- 1967
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Melvin Walker Williams practices at Anchor Mental Health Association in Washington, District of Columbia
Dr. Williams' primary practice is Anchor Mental Health Association, at 1001 Lawrence St Ne, Washington, DC 20017-3513. The practice phone is (202) 635-5941.
- Anchor Mental Health Association1001 Lawrence St Ne, Washington, DC 20017-3513Phone(202) 635-5941
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Melvin Walker Williams is affiliated with 1 site of care and 1 medical group
Dr. Williams' primary practice is Anchor Mental Health Association in Washington, District of Columbia. The medical group on file is Anchor Mental Health.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Melvin Walker Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Anchor Mental Health Association | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Melvin Walker Williams is one of 220 psychiatrists in District of Columbia
Psychiatry is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Williams is licensed in District of Columbia.
Specialties and state licenses
- Psychiatry, District of ColumbiaPrimary
Psychiatrists near Dr. Williams
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. Melvin Walker Williams billed Medicare for 47 services in 2023
CMS data shows 47 Medicare services from Dr. Williams across 2 procedure codes in 2023, all of them office visits. Medicare paid $2,809 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1072023: 4756%
- Tests and treatments
- 2022: 162023: 0100%
Dr. Williams compared with the District of Columbia median for psychiatrists, 2023
- Dr. Williams
- District of Columbia median
- Medicare services
- 47vs 13365% below
- Part D claims
- 382vs 616.3 times
Medians across 206 psychiatrists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2023
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. Williams and other psychiatrists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melvin Walker Williams' patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 79, with 100% women.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Melvin Walker Williams wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 27 Medicare Part D claims. 93% of them were for generic drugs. They cover 15 drugs, with $141,984 in total drug cost. In 2022, CMS named 377 claims across 14 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic25 claims93%
- Brand-name and other2 claims7%
Dr. Williams' most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3772023: 3821%
Drugs named by CMS: 15 in 2023, 14 in 2022.
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
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Dr. Melvin Walker Williams received $1,581 in industry payments from 2016 to 2025
CMS Open Payments shows 81 general payments to Dr. Williams from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $410.
General payments to Dr. Williams by program year, 2016 to 2025
Companies that paid Dr. Williams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Melvin Walker Williams'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation 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 Data |
| 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) |
| Industry payments | Open Payments (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 Dr. Melvin Walker Williams
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. Melvin Walker Williams' NPI number?
Dr. Melvin Walker Williams' NPI number is 1033322730. It was assigned on May 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Melvin Walker Williams?
Dr. Melvin Walker Williams is a psychiatrist in Washington, District of Columbia. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Melvin Walker Williams practice?
Dr. Williams practices at 1001 Lawrence St Ne, Washington, DC 20017-3513. Dr. Williams' primary practice is Anchor Mental Health Association in Washington, District of Columbia.
What is Dr. Melvin Walker Williams' office phone number?
The practice phone on file for Dr. Williams is (202) 635-5941.
What is Dr. Melvin Walker Williams' medical license number?
Dr. Williams holds District of Columbia license MD25482.
What medical group is Dr. Melvin Walker Williams part of?
Dr. Williams is linked to Anchor Mental Health.
Does Dr. Melvin Walker Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 47 services in 2023.
What services does Dr. Melvin Walker Williams bill to Medicare?
In 2023, Dr. Williams' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Melvin Walker Williams prescribe most?
In 2023 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Trazodone HCl, Aripiprazole and Invega Sustenna.
Has Dr. Melvin Walker Williams received payments from drug or device companies?
CMS Open Payments shows $1,581 in general payments to Dr. Williams from 13 companies from 2016 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Melvin Walker Williams been practicing?
Dr. Williams graduated from medical school in 1967, 59 years ago.
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