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Edit this profileAt a glance
- 1 Lake St, Grove Hill Medical Center, New Britain, CT 06052
About Dr. Pennington
Based in New Britain, CT, Mark Pennington, M.D. is listed in the NPI registry under dermatology. Mark graduated from Rutgers New Jersey Medical School in 1994. Mark is also listed as specializing in mohs surgery / dermatologic surgery. According to Medicare claims data, Mark cared for 1,249 Medicare patients across 2,510 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of precancer skin growth, 2-14 growths, and destruction of skin growth, 1-14 growths. NPI 1720080476 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
- (860) 348-4242
- Email not available
Practice Locations
1 LAKE ST GROVE HILL MEDICAL CENTER
New Britain, CT 06052
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
Most searched conditions
Acne and follicular disorders
- Folliculitis
- Hidradenitis suppurativa
Eczema and inflammatory skin disease
Infections and infestations
- Cellulitis
- Foot fungus
- Herpes simplex of the skin
- Molluscum contagiosum
- Scabies
- Shingles
- Warts
Pigment, growths, and benign lesions
- Melasma
- Seborrheic keratosis
Skin cancer
- Basal cell skin cancer
- Squamous cell skin cancer
Urticaria, itch, and vascular
- Chronic itching
- Excessive sweating
- Hives
Autoimmune and connective tissue
- Vitiligo
Infections
- Ringworm
Rashes & allergy
- Poison Ivy
Skin growths
- Keloid scars
Procedures & services
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Diagnostic procedures
- Patch testing
- Skin biopsy
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
- Botulinum toxin treatment for excessive sweating
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
- Sun spot removal
Cosmetic dermatology
- Laser skin resurfacing
- Laser treatment of vascular lesions
Diagnostic
- Mole mapping
- Skin scraping test
General dermatology
- Biologic drug management
- Cortisone shot for cysts
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
- Mohs surgery
Skin growths
- Cyst Removal
- Lipoma removal
- Skin Tag Removal
- Steroid injection for keloids
Procedures Most Often Billed to Medicare
2,510 services · 1,249 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
583 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
312 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
306 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
221 | More often than most peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
92 | As often as other peers in Dermatology |
| Biopsy of ear | Procedure | 69100 |
12 | Less often than most peers in Dermatology |
| Application of light to destroy precancer skin growth | Treatment | 96567 |
14 | Too few peers to compare |
| Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg) | Drug given | J7308 |
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 |
688 | More 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 |
203 | More 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 1
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.
More connections — 24 related providers in 3 groups
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Rutgers New Jersey 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 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Mark Pennington?
Mark Pennington is a dermatologist (skin doctor) in New Britain, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Mark Pennington's address?
Mark Pennington is listed at 1 Lake St Grove Hill Medical Center, New Britain, CT 06052. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark Pennington?
The number on file is (860) 348-4242. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark Pennington's NPI number?
Mark Pennington's National Provider Identifier is 1720080476. 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 Mark Pennington train?
Mark Pennington attended Rutgers New Jersey Medical School, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark Pennington been practicing?
Mark Pennington has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mark Pennington perform?
According to Medicare billing data, Mark Pennington performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 1 growth; provides treatments such as application of light to destroy precancer skin growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark Pennington confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Pennington. If this is you, claiming it is free.
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