Theressa Williams, CRNP
Family Nurse Practitioner · Baltimore, MD
Theressa Williams, CRNP is a family nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1922514348, issued on Dec 21, 2017. Check the license (Maryland R201894, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theressa Williams
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R201894 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3301 Belair RD Ste 2, Baltimore, MD 21213
- Phone
- (443) 744-6214
- Enumerated
- Dec 21, 2017
- Record last updated
- Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180404001564); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 3301 Belair RD Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Theressa Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R201894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average family nurse practitioner in 2024
390 Medicare Part D claims for 19 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 150 claims were for opioids.
Most prescribed
- Oxycodone Hcl97 claims
- Ibuprofen58 claims
- Gabapentin40 claims
- Diclofenac Sodium29 claims
- Zolpidem Tartrate27 claims
- Oxycontin19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Epiphany Family Services- Maryland LLCBaltimore, MD
- PD Associates IncCatonsville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theressa Williams among 4,124 family nurse practitioner records in Maryland
Theressa Williams, CRNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 39% of them.
- NPI issued2017 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2019 among the 2,370 with a school on file
- Record last updated2020 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
712 family nurse practitioner records list a practice address in Baltimore
They are 712 of the 35,183 NPPES records with a practice address in Baltimore, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Baltimore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
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- Andrea Fisch, FNPBaltimore, MD 212131578547261
- Angeline Motari Mokaya, CRNPBaltimore, MD 212131215304977
- Irene Muteck, FNP-CBaltimore, MD 212131851089726
- Sarah Nyelenkeh, CRNPBaltimore, MD 212131447070149
- Taryn Adams-Harlee, FNP-CBaltimore, MD 212121356800981
- Olayinka Ajomagberin, FNP-CBaltimore, MD 212121447808613
Common questions
What is Theressa Williams, CRNP's NPI number?
Theressa Williams, CRNP's National Provider Identifier (NPI) is 1922514348, issued on Dec 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Theressa Williams, CRNP located?
The NPPES record lists a practice address at 3301 Belair RD Ste 2, Baltimore, MD, 21213. Phone: (443) 744-6214. Providers update this record themselves, so call before visiting.
How can I verify Theressa Williams, CRNP's license?
NPPES lists Maryland license number R201894, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Theressa Williams, CRNP prescribe under Medicare Part D?
In 2024, Theressa Williams, CRNP had 390 Medicare Part D claims for 19 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.