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Edit this profileAt a glance
- 330 Brookline Ave # 522, Boston, MA 02215
About Dr. Lewis
William F. Lewis, MD is a healthcare provider in Boston, MA specializing in dermatology. William trained at Harvard Medical School, graduating in 2009. Medicare claims data shows William provided 294 services to 186 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 2-14 growths, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1770015349.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 667-4995
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
330 BROOKLINE AVE # 522
Boston, MA 02215
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
294 services · 186 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
66 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
60 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
23 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
21 | Less often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
17 | Less often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
14 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
33 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
20 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
14 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatologists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other dermatologists in Boston 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 7
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Lewis specialize in?
Dr. Lewis is a dermatologist (skin doctor) in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is Dr. Lewis located?
Dr. Lewis is listed at 330 Brookline Ave # 522, Boston, MA 02215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lewis's phone number?
The number on file is (617) 667-4995. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Lewis?
Dr. Lewis's National Provider Identifier is 1770015349. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lewis go to medical school?
Dr. Lewis attended Harvard Medical School, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lewis have?
Dr. Lewis has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lewis do most often?
According to Medicare billing data, Dr. Lewis performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lewis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lewis. If this is you, claiming it is free.
Guide.md
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