Nathan Joseph Klein, FNP-C
Dermatology Physician · Phoenix, AZ
Nathan Joseph Klein, FNP-C is a dermatology physician with a practice address in Phoenix, Arizona, and NPI 1417469982, issued on Oct 24, 2017. Check the license (Arizona AP10605, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan Joseph Klein
- Credential
- FNP-C
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- AP10605 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 16515 S 40TH St Ste 143, Phoenix, AZ 85048
- Phone
- (866) 433-7666
- Enumerated
- Oct 24, 2017
- Record last updated
- Mar 31, 2026
- Fax
- (866) 252-4669
- Medicare enrollment
- Enrolled (PECOS I20180322000794); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 350 in Arizona → Look up another NPI →
Also registered at 16515 S 40TH St Ste 143
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Ballard, NPNurse Practitioner1437029477
- Lisa CasazzaNurse Practitioner1306418819
- Deborah Gorombei, FNP-BCFamily Nurse Practitioner1194492306
- Sanna Neff, FNP-CFamily Nurse Practitioner1083150205
- Cassie Pettit, FNP-CFamily Nurse Practitioner1396314894
- Allison Putt, FNP-CFamily Nurse Practitioner1679356083
Verify Nathan Joseph Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license AP10605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average dermatology physician in 2024
573 Medicare Part D claims for 234 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Triamcinolone Acetonide113 claims
- Clobetasol Propionate81 claims
- Doxycycline Monohydrate67 claims
- Ketoconazole54 claims
- Hydrocortisone50 claims
- Cephalexin29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $105.27
1 payment: food and beverage; the largest payer was Incyte Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Nathamy LLCSurprise, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Joseph Klein among 350 dermatology physician records in Arizona
Nathan Joseph Klein, FNP-C is one of 350 dermatology physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2008 among the 241 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Arizona
There are 350 dermatology physician records in Arizona.
All 350 in Arizona → Every provider in Phoenix → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Benjamin Buttars, DOPhoenix, AZ 850501871236208
- Mark Rosenberg, DOPhoenix, AZ 850501598869687
- Francis Tobin, M.D.Phoenix, AZ 850501275546533
- Paul English, MDPhoenix, AZ 850441861434094
- Rita Fisler, M.D.Phoenix, AZ 850441134192859
- Michael McBride, DOPhoenix, AZ 850441508325697
- Bradley Rasmussen, M.D.Phoenix, AZ 850441942230925
- Stella Chen, MDPhoenix, AZ 850541023673894
Common questions
What is Nathan Joseph Klein, FNP-C's NPI number?
Nathan Joseph Klein, FNP-C's National Provider Identifier (NPI) is 1417469982, issued on Oct 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Joseph Klein, FNP-C located?
The NPPES record lists a practice address at 16515 S 40TH St Ste 143, Phoenix, AZ, 85048. Phone: (866) 433-7666. Providers update this record themselves, so call before visiting.
How can I verify Nathan Joseph Klein, FNP-C's license?
NPPES lists Arizona license number AP10605, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan Joseph Klein, FNP-C prescribe under Medicare Part D?
In 2024, Nathan Joseph Klein, FNP-C had 573 Medicare Part D claims for 234 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.