Alexander Jack, M.D.
NPI 1346482627 · Dermatology Physician · Ladera Ranch, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Jack, M.D. is a Dermatology Physician provider in Ladera Ranch, CA (NPI 1346482627).
Provider details
- NPI number
- 1346482627
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C179601 (CA)
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
17 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
2,215 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 | 630 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 345 | $138 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 273 | $38 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 197 | $55 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 164 | $98 |
| Biopsy of Related Skin Growth, First Growth11102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 95 | 53 |
| Triamcinolone Acetonide | 59 | 44 |
| Mupirocin | 58 | 47 |
| Clobetasol Propionate | 53 | 36 |
| Cephalexin | 31 | 24 |
| Metronidazole | 24 | 15 |
| Doxycycline Hyclate | 23 | 20 |
| Tacrolimus | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$697 across 48 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
- 2009-04-01
- Last updated
- 2022-12-22
- Certified
- 2022-12-22
Frequently asked questions
- What is Alexander Jack's NPI number?
- Alexander Jack's National Provider Identifier (NPI) is 1346482627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Jack's specialty?
- Alexander Jack is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Jack located?
- Alexander Jack's practice location on file with NPPES is 600 Corporate Dr Ste 240, Ladera Ranch, CA 92694-2111.
- What is Alexander Jack's phone number?
- The practice phone number listed in the NPPES registry for Alexander Jack is (949) 364-8411.
- Does Alexander Jack accept Medicare?
- Alexander Jack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Jack's NPI active?
- Yes — Alexander Jack's NPI (1346482627) is active in the NPPES registry as of the last update on 2022-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.