Nathan Klein, FNP-C
NPI 1417469982 · Dermatology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Klein, FNP-C is a Dermatology Physician provider in Phoenix, AZ (NPI 1417469982).
Provider details
- NPI number
- 1417469982
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- AP10605 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
1,123 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 | 233 | $5 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 173 | $116 |
| Biopsy of Related Skin Growth, First Growth11102 | 140 | $74 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 134 | $104 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 106 | $41 |
| Destruction of Precancer Skin Growth, 1 Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 113 | 75 |
| Clobetasol Propionate | 81 | 51 |
| Doxycycline Monohydrate | 67 | 43 |
| Ketoconazole | 54 | 35 |
| Hydrocortisone | 50 | 32 |
| Cephalexin | 29 | 27 |
| Fluorouracil | 22 | 22 |
| Methylprednisolone | 20 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 1 record (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)
- 19646 N 27th Ave Ste 305Phoenix, AZ 85027-4027Phone: (480) 556-0446Fax: (480) 556-0447
Registry dates
- Enumerated
- 2017-10-24
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Nathan Klein's NPI number?
- Nathan Klein's National Provider Identifier (NPI) is 1417469982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Klein's specialty?
- Nathan Klein is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Klein located?
- Nathan Klein's practice location on file with NPPES is 16515 S 40th St Ste 143, Phoenix, AZ 85048-0560.
- What is Nathan Klein's phone number?
- The practice phone number listed in the NPPES registry for Nathan Klein is (866) 433-7666.
- Does Nathan Klein accept Medicare?
- Nathan Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Klein's NPI active?
- Yes — Nathan Klein's NPI (1417469982) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.