Keith Pennycook, DO
NPI 1821651944 · Dermatology Physician · Cumming, GA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Pennycook, DO is a Dermatology Physician provider in Cumming, GA (NPI 1821651944).
Provider details
- NPI number
- 1821651944
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 86267 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
965 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 384 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $90 |
| Biopsy of Related Skin Growth, First Growth11102 | 93 | $86 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 91 | $49 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 84 | $46 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,839 across 67 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-15
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Keith Pennycook's NPI number?
- Keith Pennycook's National Provider Identifier (NPI) is 1821651944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Pennycook's specialty?
- Keith Pennycook is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Pennycook located?
- Keith Pennycook's practice location on file with NPPES is 2870 Ronald Reagan Blvd Ste 103, Cumming, GA 30041-6092.
- What is Keith Pennycook's phone number?
- The practice phone number listed in the NPPES registry for Keith Pennycook is (248) 601-4900.
- Does Keith Pennycook accept Medicare?
- Keith Pennycook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Pennycook's NPI active?
- Yes — Keith Pennycook's NPI (1821651944) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.