Melissa Gail Williams, CRNP
Family Nurse Practitioner · Philadelphia, PA
Melissa Gail Williams, CRNP is a family nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1578953865, issued on Jan 26, 2015. Check the license (Pennsylvania SP014736, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Gail Williams
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- SP014736 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Callowhill St Ste 101, Philadelphia, PA 19123
- Phone
- (215) 825-8220
- Enumerated
- Jan 26, 2015
- Record last updated
- May 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20150302001068); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,209 in Pennsylvania → Look up another NPI →
Also registered at 1200 Callowhill St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Berardinucci, LCSWClinical Social Worker1932836194
- Arwen Deschere, CRNPPsychiatric/Mental Health Nurse Practitioner1265294540
- Mandy DesrosiersCase Manager/Care Coordinator1912364001
- Silvana Marr-MadariagaCase Manager/Care Coordinator1659872117
- Elizabeth McKey, PA-CPhysician Assistant1982055729
- Brian McNicholasRegistered Nurse1487907408
Verify Melissa Gail Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP014736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
161 Medicare Part D claims for 45 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate26 claims
- Atorvastatin Calcium20 claims
- Metformin Hcl Er13 claims
- Losartan Potassium11 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.
Industry payments in 2024: $227.33
12 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Public Health Management CorporationPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Gail Williams among 7,209 family nurse practitioner records in Pennsylvania
Melissa Gail Williams, CRNP is one of 7,209 family nurse practitioner records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 32% of them.
- NPI issued2015 · 32% of these records are older, 63% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2018 among the 4,232 with a school on file
- Record last updated2024 · 45% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
896 family nurse practitioner records list a practice address in Philadelphia
They are 896 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,209 family nurse practitioner records in Pennsylvania.
All 7,209 in Pennsylvania → Every provider in Philadelphia → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Constance Ballem Leach, CRNPPhiladelphia, PA 191231548280381
- Sharon Chen, DNP, MS, FNP-BCPhiladelphia, PA 191231144824939
- Juanita Figueroa, MSN, CRNPPhiladelphia, PA 191231487820015
- Joi Goodwin, CRNPPhiladelphia, PA 191231629583497
- Maria Irrera-Newcomb, CRNPPhiladelphia, PA 191231467408559
- Andrea Jackson, CRNPPhiladelphia, PA 191231053952150
- Jenny Linh, CRNPPhiladelphia, PA 191231689419566
- Jacqueline Ly, APRNPhiladelphia, PA 191231780318048
Common questions
What is Melissa Gail Williams, CRNP's NPI number?
Melissa Gail Williams, CRNP's National Provider Identifier (NPI) is 1578953865, issued on Jan 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Gail Williams, CRNP located?
The NPPES record lists a practice address at 1200 Callowhill St Ste 101, Philadelphia, PA, 19123. Phone: (215) 825-8220. Providers update this record themselves, so call before visiting.
How can I verify Melissa Gail Williams, CRNP's license?
NPPES lists Pennsylvania license number SP014736, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Gail Williams, CRNP prescribe under Medicare Part D?
In 2024, Melissa Gail Williams, CRNP had 161 Medicare Part D claims for 45 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.