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Edit this profileAt a glance
- 230 Worcester St, Wellesley, MA 02481
About Dr. Wirth
Based in Wellesley, MA, Fern Wirth, M.D. is listed in the NPI registry under mohs surgery / dermatologic surgery. Fern graduated from Tufts University School of Medicine in 1991. Fern is also listed as specializing in dermatology, pediatric dermatology, and internal medicine. According to Medicare claims data, Fern cared for 1,050 Medicare patients across 1,561 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1982692240 identifies this record in the national registry.
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
- (781) 431-5255
- Email not available
Practice Locations
230 WORCESTER ST
Wellesley, MA 02481
Procedures Most Often Billed to Medicare
1,561 services · 1,050 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
448 | As often as other peers in Mohs Surgery / Dermatologic… |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
143 | As often as other peers in Mohs Surgery / Dermatologic… |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
128 | As often as other peers in Mohs Surgery / Dermatologic… |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
91 | As often as other peers in Mohs Surgery / Dermatologic… |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
14 | Too few peers to compare |
| Biopsy of ear | Procedure | 69100 |
11 | Less often than most peers in Mohs Surgery / Dermatologic… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
341 | As often as other peers in Mohs Surgery / Dermatologic… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
290 | More often than most peers in Mohs Surgery / Dermatologic… |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
43 | As often as other peers in Mohs Surgery / Dermatologic… |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
29 | Too few peers to compare |
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.
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.
Trained at Tufts University School of Medicine 1
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 3 related providers in 1 group
Also performs Destruction of precancer skin growth, 2-14 growths 3
Providers in MA who bill this service to Medicare most often.
Common questions
What does Fern Wirth specialize in?
Fern Wirth is a mohs surgery / dermatologic surgeon in Wellesley, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Mohs Surgery / Dermatologic Surgery”.
NPI registry
Where is Fern Wirth located?
Fern Wirth is listed at 230 Worcester St, Wellesley, MA 02481. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Fern Wirth's phone number?
The number on file is (781) 431-5255. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Fern Wirth's NPI number?
Fern Wirth's National Provider Identifier is 1982692240. 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 Fern Wirth train?
Fern Wirth attended Tufts University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Fern Wirth been practicing?
Fern Wirth has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Fern Wirth do most often?
According to Medicare billing data, Fern Wirth performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Fern Wirth confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Fern Wirth. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.