JOANNA LYNN WALKER M.D.
NPI 1245529320
Dermatology in Providence, RI

Q: What is Joanna Walker's NPI number?

The NPI number for Joanna Walker is 1245529320. It was assigned to this individual provider in the NPPES registry on March 29, 2011.

Q: What is Joanna Walker's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for Joanna Walker was last updated on June 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 29, 2011PECOS EnrolledAccepts Medicare Assignment

85.48/100

CMS Quality Rating

593 EDDY ST, APC 10TH FLOOR, PROVIDENCE, RI 02903(401) 444-7959(401) 444-7144 Get Directions Write a Review

NPPES record last updated: June 26, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Joanna Lynn Walker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOANNA LYNN WALKER M.D. (NPI 1245529320) is an individual dermatology provider in Providence, Rhode Island, licensed in Rhode Island (MD14995) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and maintains a secondary practice location in East Greenwich.

NPPES Registry Identity

NPI1245529320

Entity TypeIndividualFemale

Primary Taxonomy207N00000X

Provider Legal NameJOANNA LYNN WALKERCredential: M.D.

Location Address593 EDDY ST, APC 10TH FLOORProvidence, RI 02903

Mailing Address593 Eddy St, Apc 10th FloorProvidence, RI 02903-4923 · (401) 444-7959 · Fax (401) 444-7144

Phone(401) 444-7959

Fax(401) 444-7144

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateMarch 29, 2011

Last NPPES UpdateJune 26, 2018

✔ NPI 1245529320 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in RI · MD14995

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

593 EDDY ST, Providence, RI 02903

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Secondary Practice Location 1

Location 11454 S County Trl Ste 2100East Greenwich, RI 02818-1749 · Phone (401) 444-7959 · Fax (401) 444-7144

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joanna Lynn Walker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032337803

PECOS Enrollment IDI20210602000261

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 48

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311

This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.

345 services231 patients

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

233 services29 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

193 services106 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

152 services36 patients

Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 17313

This procedure involves the removal of a growth from your trunk, arms, or legs. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to identify any abnormalities. This helps in diagnosing and planning further treatment.

132 services83 patients

Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 13132

This procedure involves the complex repair of a wound in areas like the forehead, cheeks, chin, mouth, neck, underarms, hands, or feet. The wound size ranges from 2.6-7.5 cm. The process includes cleaning, removing damaged tissue, and stitching the wound for proper healing.

116 services104 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312

This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.

112 services77 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

111 services92 patients

Removal and microscopic exam of growth, each additional block after 5 tissue blocks 17315

This procedure involves the removal of a growth for further examination. After the initial 5 tissue blocks, each additional block is examined under a microscope. This helps identify the nature of the growth and aids in determining the best course of treatment.

110 services19 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

104 services66 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311

90 services71 patients

Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm 13121

This is a procedure to repair a complex wound on your scalp, arm, or leg that is 2.6-7.5 cm long. It involves cleaning, removing damaged tissue, and stitching the wound to promote healing. It's performed under local or general anesthesia.

88 services70 patients

Removal and microscopic exam of growth, each additional block after 5 tissue blocks 17315

84 services15 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

82 services21 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

76 services40 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312

55 services38 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

53 services37 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

45 services24 patients

Special stained specimen slides to examine tissue, initial procedure 88342

39 services23 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

36 services36 patients

Complicated repair of wound of scalp, arms, or legs, each additional 5.0 cm or less 13122

This procedure involves the complex repair of a wound on the scalp, arms, or legs. It's more intricate than a regular wound repair, often involving layered sutures, debridement, and tissue rearrangement. The service covers each additional wound up to 5.0 cm in length.

34 services21 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17262

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

29 services21 patients

Administration of chemotherapy into growth, 1-7 96405

Chemotherapy is a treatment that uses drugs to destroy cancer cells. In this procedure, the medication is directly injected into the growth or tumor. This method, known as local chemotherapy, targets the cancer cells in a specific area, reducing the impact on healthy cells.

27 services11 patients

Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less 14060

This procedure involves repairing a wound on the eyelids, nose, ears, or lips by moving a small piece of skin (10.0 sq cm or less) from one area to another. The goal is to heal the wound and restore the function and appearance of the affected area.

26 services26 patients

Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 13132

24 services24 patients

Biopsy of related skin growth, first growth 11102

23 services22 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

23 services23 patients

Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 17313

22 services19 patients

Repair of wound by transferring skin, 30.1-60.0 sq cm 14301

This procedure involves repairing a wound by moving healthy skin from one area of the body to the wound site. The transferred skin, measuring between 30.1-60.0 square cm, aids in healing and reduces scarring.

21 services18 patients

Destruction of precancer skin growth, 1 growth 17000

21 services15 patients

Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks 17314

This procedure involves removing growths from the trunk, arms, or legs. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any abnormalities. This aids in diagnosing and treating your condition effectively.

21 services17 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

18 services18 patients

Injection into skin growth, 1-7 growths 11900

This procedure involves injecting medication into 1-7 skin growths. The medication helps to reduce the size of the growths or completely eliminate them. It's a simple, quick, and usually painless process performed by a medical professional.

17 services13 patients

Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm 17272

This procedure involves the removal of a cancerous skin growth measuring 1.1-2.0 cm, located on the scalp, neck, hands, or feet. The process may involve techniques like surgery, laser, or cryotherapy. The aim is to eliminate the cancer cells and prevent further spread.

17 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

17 services17 patients

Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.1-30.0 sq cm 14041

This procedure involves repairing a wound on specified body areas by transferring skin from another part of the body. The transferred skin, measuring between 10.1 to 30.0 square cm, aids in healing the wound and restoring the skin's normal function.

16 services16 patients

Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 11603

This procedure involves the removal of a cancerous skin growth, between 2.1 and 3.0 cm, from the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The goal is to eliminate all cancer cells while minimizing scarring.

15 services14 patients

Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, each additional 5.0 cm or less 13133

This procedure involves a complex repair of a wound on specified body parts. The wound is meticulously cleaned and stitched, ensuring minimal scarring. Each additional 5.0 cm or less of wound repaired requires extra care and precision.

15 services12 patients

Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less 14040

This procedure involves repairing a wound on various body parts by transferring skin from another area. The transferred skin, up to 10.0 sq cm, helps to cover the wound, promoting healing and reducing scarring. It's a common method for treating larger or deeper wounds.

15 services15 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

15 services12 patients

Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm 13121

14 services14 patients

Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm 17261

This procedure involves the removal of a cancerous skin growth on the trunk, arms, or legs that is between 0.6 and 1.0 cm in size. The goal is to eliminate the cancerous cells and prevent further spread. The method of destruction may vary, including methods such as surgery, laser, or cryotherapy.

13 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

13 services12 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

12 services12 patients

Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm 13152

This procedure involves repairing a wound on your eyelids, nose, ears, or lip that is between 2.6 and 7.5 cm long. It's considered complicated due to the location and size. The doctor will clean, treat, and stitch the wound to promote healing.

12 services12 patients

Repair of wound by transferring skin, 30.1-60.0 sq cm 14301

11 services11 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390111

Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County

Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390223

Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.48 typical visit price

range $58.57 – $177.03

Typical copayment $22.62 (range $14.64 – $44.25)

Most-billed visit code 99203

Established Patient

$72.93 typical visit price

range $18.92 – $144.38

Typical copayment $18.23 (range $4.73 – $36.09)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.48/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.6

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KEITH-AUSTIN SCARFO D.O.

Anesthesiology

593 EDDY ST, APC 6
PROVIDENCE, RI 02903

Providence County (401) 444-3777

AILEEN HSUEH

Surgery

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-8450

RHODE ISLAND HOSPITAL

General Acute Care Hospital

593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903

Providence County (401) 444-7585

DR. GA HIE NAM M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-5057

EUGENIE ATALLAH

Psychiatry & Neurology (Neurology)

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 606-2645

BRIAN CAO MD

Student in an Organized Health Care Education/Training Program

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 606-4286

BRET CAULFIELD

Physician Assistant

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-4000

JUNG HO GONG

Student in an Organized Health Care Education/Training Program

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 793-2695

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joanna Walker's NPI number?

The NPI number for Joanna Walker is 1245529320. It was assigned to this individual provider in the NPPES registry on March 29, 2011.

Where is Joanna Walker located?

Joanna Walker practices at 593 Eddy St Apc 10th Floor, Providence, RI 02903. The listed phone number is (401) 444-7959.

What is Joanna Walker's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Joanna Walker enrolled in Medicare?

Yes. Joanna Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joanna Walker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Joanna Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joanna Walker affiliated with any hospitals?

According to CMS data, Joanna Walker is affiliated with Hospital Of Univ Of Pennsylvania and Penn Presbyterian Medical Center.

When was this NPI record last updated?

The NPPES record for Joanna Walker was last updated on June 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.