Dr. Opal Williams, MD
- Medicare services, 2021
- 11
- Part D claims, 2024
- 121
- Affiliated sites
- 2
- Medical groups
- 4
- State licenses
- 3
- Practice address
- 15459 Annapolis Rd, Bowie, MD 20715
- Practice phone
- Call (240) 544-0676
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Patient First Maryland Medical Group
Bowie, Maryland
Find Dr. Williams' 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. Opal Williams is a family medicine physician in Bowie, Maryland
Dr. Williams practices at Patient First Maryland Medical Group in Bowie, Maryland.
Dr. Williams' NPI, 1770826364, was assigned on April 2, 2013. Dr. Williams graduated from Morehouse School of Medicine in 2013. Dr. Williams holds Maryland license D0081394.
- NPI
- 1770826364NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365668118
- NPI enumeration date
- April 2, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (240) 544-0676
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Opal Williams practices at Patient First Maryland Medical Group in Bowie, Maryland
Dr. Williams' primary practice is Patient First Maryland Medical Group, at 15459 Annapolis Rd, Bowie, MD 20715 in Prince Georges County. The practice phone is (240) 544-0676.
- Patient First Maryland Medical Group15459 Annapolis Rd, Bowie, MD 20715 · Prince Georges CountyPhone(240) 544-0676
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Opal Williams is affiliated with 3 sites of care and 4 medical groups
Dr. Williams' primary practice is Patient First Maryland Medical Group in Bowie, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Williams to 3 more medical groups, 1 community health center and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Opal Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Patient First Maryland Medical Group | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Opal Williams is one of 1,698 family medicine physicians in Maryland
Family medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Williams' licenses on file in 3 states: Maryland, District of Columbia and Virginia.
Specialties and state licenses
- Family medicine, MarylandPrimary
- District of Columbia license
- Virginia license
Family medicine physicians near Dr. Williams
Counts of family medicine physicians 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. Opal Williams billed Medicare for 11 services in 2021
CMS data shows 11 Medicare services from Dr. Williams across 1 procedure code in 2021, all of them office visits. Medicare paid $848 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2019 to 2021
- 2019
- 2021
- Office and hospital visits
- 2019: 192021: 1142%
Dr. Williams compared with the Maryland median for family medicine physicians, 2021
- Dr. Williams
- Maryland median
- Medicare services
- 11vs 51698% below
- Part D claims
- 36vs 75195% below
Medians across 1,659 family medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2021
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Opal Williams' patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 47, with 61% 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 47
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Opal Williams wrote 121 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 121 Medicare Part D claims for 80 patients. 82% of them were for generic drugs. CMS names the drug for 36 of them, across 3 drugs with 11 or more claims each, at $345 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic99 claims82%
- Brand-name and other22 claims18%
Dr. Williams' 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. Williams' Part D claims, 2024
- Antibiotics22%27 of 121 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 242024: 3650%
Drugs named by CMS: 3 in 2024, 2 in 2021.
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. Opal Williams takes part in Medicare
Dr. Williams 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. Opal Williams graduated from Morehouse School of Medicine
Dr. Williams graduated from Morehouse School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Opal 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Opal 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. Opal Williams' NPI number?
Dr. Opal Williams' NPI number is 1770826364. It was assigned on April 2, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Opal Williams?
Dr. Opal Williams is a family medicine physician in Bowie, Maryland. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Opal Williams practice?
Dr. Williams practices at 15459 Annapolis Rd, Bowie, MD 20715. Dr. Williams' primary practice is Patient First Maryland Medical Group in Bowie, Maryland. Dmand AI also links Dr. Williams to 3 medical groups, 1 community health center and 1 group practice or clinic.
What is Dr. Opal Williams' office phone number?
The practice phone on file for Dr. Williams is (240) 544-0676.
What is Dr. Opal Williams' medical license number?
Dr. Williams holds Maryland license D0081394, one of the licenses on file in 3 states.
Which states has Dr. Opal Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Maryland, District of Columbia and Virginia.
What medical group is Dr. Opal Williams part of?
Dr. Williams is linked to Mid-Atlantic Permanente Medical Group. Dmand AI links Dr. Williams to 3 more medical groups.
Does Dr. Opal Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 11 services in 2021, and Dr. Williams accepts Medicare assignment.
What services does Dr. Opal Williams bill to Medicare?
In 2021, Dr. Williams' most billed Medicare services were office visit, established patient (99213).
Where did Dr. Opal Williams go to medical school?
Dr. Williams graduated from Morehouse School of Medicine in 2013.
What drugs does Dr. Opal Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Albuterol Sulfate Hfa, Nitrofurantoin Mono-Macro and Prednisone.
How long has Dr. Opal Williams been practicing?
Dr. Williams graduated from medical school in 2013, 13 years ago.
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