Carsten Hamann, MD
NPI 1538546957 · Dermatology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carsten Hamann, MD is a Dermatology Physician provider in Phoenix, AZ (NPI 1538546957).
Provider details
- NPI number
- 1538546957
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 62905 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,558 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) |
|---|---|---|
| Test for Allergy Using Skin Patch95044 | 1,852 | $5 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,740 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 777 | $129 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 530 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 415 | $91 |
| Destruction of Skin Growth, 1-14 Growths17110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 215 | 140 |
| Clobetasol Propionate | 129 | 79 |
| Ketoconazole | 102 | 61 |
| Fluorouracil | 61 | 56 |
| Doxycycline Hyclate | 25 | 24 |
| Metronidazole | 20 | 11 |
| Doxycycline Monohydrate | 16 | 11 |
| Mupirocin | 16 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111,206 across 170 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
Additional practice locations (1)
- 18 Old Etna RdLebanon, NH 03766-1970Phone: (603) 650-3105Fax: (603) 640-1228
Registry dates
- Enumerated
- 2015-05-05
- Last updated
- 2025-12-29
- Certified
- 2025-12-29
Frequently asked questions
- What is Carsten Hamann's NPI number?
- Carsten Hamann's National Provider Identifier (NPI) is 1538546957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carsten Hamann's specialty?
- Carsten Hamann is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Carsten Hamann located?
- Carsten Hamann's practice location on file with NPPES is 3400 E Mcdowell Rd, Phoenix, AZ 85008-3884.
- What is Carsten Hamann's phone number?
- The practice phone number listed in the NPPES registry for Carsten Hamann is (480) 681-3300.
- Does Carsten Hamann accept Medicare?
- Carsten Hamann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carsten Hamann's NPI active?
- Yes — Carsten Hamann's NPI (1538546957) is active in the NPPES registry as of the last update on 2025-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.