Doctor profile · Federal record

Dr. Joanna Walker, M.D.

Dermatology Physician (CMS: Micrographic Dermatologic Surgery (MDS)) · Student in an Organized Health Care Education/Training Program · Providence, RI

  • NPI 1245529320
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
593 Eddy St, Apc 10Th Floor
Providence, RI 02903
(401) 444-7959
fax (401) 444-7144
Additional location
1454 S County Trl Ste 2100
East Greenwich, RI 028181749

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
June 26, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Rhode Island #MD14995

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245529320. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,379
Distinct HCPCS
10
Medicare allowed
$308,526
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 263 38 $2
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 227 128 $292
99214 Established patient office or other outpatient visit, 30-39 minutes 168 89 $99
11103 Biopsy of related skin growth, each additional growth 138 34 $22
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 124 79 $277
11102 Biopsy of related skin growth, first growth 106 64 $25
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 92 73 $156
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 89 51 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 87 52 $100
17000 Destruction of precancer skin growth, 1 growth 84 51 $40

In context: peer comparison

Among 8 peers in this city , average services per provider: 321. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
271
Patients
192
Total drug cost
$15,651
Drug Type Claims Patients Total cost
Cephalexin Generic 59 47 $479
Fluorouracil Generic 37 32 $3,306
Hydrocortisone Generic 35 32 $239
Mupirocin Generic 30 25 $317
Cefadroxil Generic 19 16 $116
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 18 17 $29
Ketoconazole Generic 18 11 $346
Clindamycin Hcl Generic 17 12 $93
Acitretin Generic 13 0 $10,272
Triamcinolone Acetonide Generic 13 0 $133

Frequently asked questions

Auto-generated from federal data
What is Dr. Joanna Walker's medical specialty?
Dr. Joanna Walker practices Dermatology Physician in Providence, RI.
Where does Dr. Joanna Walker practice?
Dr. Joanna Walker practices at 593 Eddy St, Providence, RI 02903. Office phone: 4014447959.
What is Dr. Joanna Walker's NPI?
Dr. Joanna Walker's National Provider Identifier (NPI) is 1245529320, issued by NPPES.
Does Dr. Joanna Walker accept Medicare assignment?
Yes. Dr. Joanna Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Walker commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.