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Edit this profileAt a glance
- 2870 Ronald Reagan Blvd Ste 103, Cumming, GA 30041
About Dr. Pennycook
Keith B. Pennycook, DO is a healthcare provider in Cumming, GA specializing in dermatology. Keith trained at Michigan State University College of Osteopathic Medicine, graduating in 2019. According to Medicare claims data, Keith cared for 523 Medicare patients across 965 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 biopsy of related skin growth, first growth. This provider record is associated with NPI 1821651944.
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
- (248) 601-4900
- Email not available
Practice Locations
2870 RONALD REAGAN BLVD STE 103
Cumming, GA 30041
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
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
965 services · 523 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
384 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
93 | As often as other peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
91 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
84 | Less often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
42 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
26 | Less often than most peers in Dermatology |
| Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11602 |
26 | As often as other peers in Dermatology |
| Complicated repair of wound of trunk, 2.6-7.5 cm | Procedure | 13101 |
21 | As often as other peers in Dermatology |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | Procedure | 13121 |
19 | Less often than most peers in Dermatology |
| Removal of noncancer skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11402 |
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.
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 Cumming 7
Same specialty, same city.
Trained at Michigan State University College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2019 at Michigan State University College of Osteopathic Medicine 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 GA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Pennycook?
Dr. Pennycook is a dermatologist (skin doctor) in Cumming, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Dr. Pennycook's address?
Dr. Pennycook is listed at 2870 Ronald Reagan Blvd Ste 103, Cumming, GA 30041. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Pennycook?
The number on file is (248) 601-4900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Pennycook's NPI number?
Dr. Pennycook's National Provider Identifier is 1821651944. 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. Pennycook train?
Dr. Pennycook attended Michigan State University College of Osteopathic Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Pennycook been practicing?
Dr. Pennycook has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Pennycook perform?
According to Medicare billing data, Dr. Pennycook performs procedures including destruction of precancer skin growth, 2-14 growths, biopsy of related skin growth, first growth and biopsy of related skin growth, each additional growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Pennycook confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Pennycook. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.