Joanna Lynn Walker, M.D.
Dermatology Physician · Providence, RI
Joanna Lynn Walker, M.D. is a dermatology physician with a practice address in Providence, Rhode Island, and NPI 1245529320, issued on Mar 29, 2011. Check the license (Rhode Island MD14995, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Joanna Lynn Walker
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD14995 RI
Self-reported in NPPES; status is on the state search - Practice location
- 593 Eddy St, Providence, RI 02903
- Phone
- (401) 444-7959
- Enumerated
- Mar 29, 2011
- Record last updated
- Jun 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (401) 444-7144
- Medicare enrollment
- Enrolled (PECOS I20210602000261); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 73 in Rhode Island → Look up another NPI →
Also registered at 593 Eddy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farah AbazaStudent in an Organized Health Care Education/Training Program1598437477
- Nilofar Abdul ShukurPhysician Assistant1336010529
- Hael Abdulrazeq, MDNeurological Surgery Physician1659934289
- James Abernathy, MDAnesthesiology Physician1942257217
- Karen Abi Chebl, MDStudent in an Organized Health Care Education/Training Program1255179552
- Georges Abi Roustom, MDAnesthesiology Physician1548871908
Verify Joanna Lynn Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD14995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average dermatology physician in 2024
360 Medicare Part D claims for 158 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 35 claims were for opioids.
Most prescribed
- Cefadroxil64 claims
- Mupirocin32 claims
- Fluorouracil27 claims
- Hydrocortisone27 claims
- Triamcinolone Acetonide24 claims
- Ketoconazole21 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Lynn Walker among 73 dermatology physician records in Rhode Island
Joanna Lynn Walker, M.D. is one of 73 dermatology physician records with a practice address in Rhode Island. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2011 · median 2006 among the 49 with a school on file
- Record last updated2018 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Rhode Island
There are 73 dermatology physician records in Rhode Island.
All 73 in Rhode Island → Every provider in Providence → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Lionel Bercovitch, M.D.Providence, RI 029031962473314
- Stephen Glinick, MDProvidence, RI 029031255337671
- John Kawaoka, MDProvidence, RI 029031689899742
- Helena Kuhn, MDProvidence, RI 029031184061947
- Shoshana Landow, M.D.Providence, RI 029031205942521
- Thomas Long, MDProvidence, RI 029031790725349
- Jennie Muglia, MDProvidence, RI 029031538116686
- Abrar Qureshi, MD, MPHProvidence, RI 029031720044134
Common questions
What is Joanna Lynn Walker, M.D.'s NPI number?
Joanna Lynn Walker, M.D.'s National Provider Identifier (NPI) is 1245529320, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Lynn Walker, M.D. located?
The NPPES record lists a practice address at 593 Eddy St, Providence, RI, 02903. Phone: (401) 444-7959. Providers update this record themselves, so call before visiting.
How can I verify Joanna Lynn Walker, M.D.'s license?
NPPES lists Rhode Island license number MD14995, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joanna Lynn Walker, M.D. prescribe under Medicare Part D?
In 2024, Joanna Lynn Walker, M.D. had 360 Medicare Part D claims for 158 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Joanna Lynn Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.