Mary Katherine Williams, CNM
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 70
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $251
- Practice address
- 100 Kingsley Ln, Norfolk, VA 23505
- Practice phone
- Call (757) 481-7222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mid-Atlantic Womens Care PLC
Norfolk, Virginia
Find Mary 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.
Mary Katherine Williams is an advanced practice midwife in Norfolk, Virginia
Mary Williams practices at Mid-Atlantic Womens Care PLC in Norfolk, Virginia.
Mary Williams' NPI, 1093091175, was assigned on November 2, 2011. Mary Williams holds Virginia license 0001174791.
- NPI
- 1093091175NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658516885
- NPI enumeration date
- November 2, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 481-7222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Katherine Williams practices at Mid-Atlantic Womens Care PLC in Norfolk, Virginia
Mary Williams' primary practice is Mid-Atlantic Womens Care PLC, at 100 Kingsley Ln, Norfolk, VA 23505 in Norfolk City. The practice phone is (757) 481-7222.
- Mid-Atlantic Womens Care PLC100 Kingsley Ln, Norfolk, VA 23505 · Norfolk CityPhone(757) 481-7222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mary Katherine Williams is affiliated with 3 sites of care and 1 medical group
Mary Williams' primary practice is Mid-Atlantic Womens Care PLC in Norfolk, Virginia. Mary Williams is also affiliated with Sentara Obici Hospital. The medical group on file is Mid-Atlantic Women's Care. Dmand AI also links Mary Williams to 1 more group practice or clinic, 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 Mary Katherine Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mid-Atlantic Womens Care PLC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Katherine Williams is one of 248 advanced practice midwifes in Virginia
Advanced practice midwife is Mary Williams' primary specialty in the NPI Registry, under taxonomy code 367A00000X. Mary Williams is licensed in Virginia.
Specialties and state licenses
- Advanced practice midwife, VirginiaPrimary
Advanced practice midwifes near Mary Williams
Counts of advanced practice midwifes 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
Mary Katherine Williams treated 12 Medicare patients in 2024, average age 71
CMS counts 12 Medicare patients who saw Mary Williams in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.58, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Williams' median patient age at 31, with 100% women.
Mary Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Katherine Williams wrote 70 Medicare Part D claims in 2024
In 2024, Mary Williams wrote 70 Medicare Part D claims for 23 patients. 87% of them were for generic drugs.
Mary Williams' Part D claims by kind of drug, 2024
- Generic61 claims87%
- Brand-name and other9 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary Katherine Williams scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Mary Williams for performance year 2024, reported as part of a group. Mary Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mary Williams' MIPS scores, performance year 2024
- 85of 100Final score
- 76.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Mary Katherine Williams received $251 in industry payments in 2025
CMS Open Payments shows 10 general payments to Mary Williams from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $117.
Companies that paid Mary Williams the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mary Katherine 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 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 Mary Katherine 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 Mary Katherine Williams' NPI number?
Mary Katherine Williams' NPI number is 1093091175. It was assigned on November 2, 2011, and it is active in the NPI Registry.
What does Mary Katherine Williams specialize in?
Mary Katherine Williams is an advanced practice midwife in Norfolk, Virginia. The primary specialty in the NPI Registry is Advanced Practice Midwife (taxonomy code 367A00000X).
Where does Mary Katherine Williams practice?
Mary Williams practices at 100 Kingsley Ln, Norfolk, VA 23505. Mary Williams' primary practice is Mid-Atlantic Womens Care PLC in Norfolk, Virginia. Dmand AI also links Mary Williams to 1 group practice or clinic.
What is Mary Katherine Williams' office phone number?
The practice phone on file for Mary Williams is (757) 481-7222.
What is Mary Katherine Williams' medical license number?
Mary Williams holds Virginia license 0001174791.
Which hospitals is Mary Katherine Williams affiliated with?
Mary Williams is affiliated with Sentara Obici Hospital.
What medical group is Mary Katherine Williams part of?
Mary Williams is linked to Mid-Atlantic Women's Care.
Does Mary Katherine Williams accept Medicare?
Yes. CMS lists Mary Williams as accepting Medicare assignment.
What is Mary Katherine Williams' MIPS score?
Mary Williams' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Mary Katherine Williams see?
CMS counts 12 Medicare patients who saw Mary Williams in 2024, with an average age of 71.
Has Mary Katherine Williams received payments from drug or device companies?
CMS Open Payments shows $251 in general payments to Mary Williams from 5 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Mary Katherine Williams been practicing?
Mary Williams graduated from medical school in 2011, 15 years ago.
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