Katharine Dahl, MD
Nephrology Physician · Phoenix, AZ
Katharine Dahl, MD is a nephrology physician with a practice address in Phoenix, Arizona, and NPI 1073559621, issued on Jun 21, 2006. Check the license (Arizona 35343, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katharine Dahl
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 35343 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2545 E Thomas RD Ste 120, Phoenix, AZ 85016
- Phone
- (026) 419-3378
- Enumerated
- Jun 21, 2006
- Record last updated
- Jun 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (602) 595-1528
- Medicaid ID
- 145459 AZ
- Medicare enrollment
- Enrolled (PECOS I20060811000218); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 278 in Arizona → Look up another NPI →
Also registered at 2545 E Thomas RD Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naief Abudaff, MDNephrology Physician1295229920
- Samer Bani Hani, MDNephrology Physician1700086550
- Basel Channis, M.D.Nephrology Physician1982834594
- Hassan Hachem, M.D.Nephrology Physician1598768020
- Suman MisraNephrology Physician1023470879
- Maher Mousa, MDNephrology Physician1184622243
Verify Katharine Dahl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 35343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average nephrology physician in 2024
1,323 Medicare Part D claims for 200 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium88 claims
- Furosemide78 claims
- Amlodipine Besylate75 claims
- Rayaldee60 claims
- Spironolactone57 claims
- Farxiga56 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: $431.74
22 payments; by number, the most common kind was food and beverage; the largest payer was Opko Pharmaceuticals, LLC. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Akdhc LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharine Dahl among 278 nephrology physician records in Arizona
Katharine Dahl, MD is one of 278 nephrology physician records with a practice address in Arizona. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 51% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2001 · median 2001 among the 229 with a school on file
- Record last updated2018 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Arizona
There are 278 nephrology physician records in Arizona.
All 278 in Arizona → Every provider in Phoenix → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Naief Abudaff, MDPhoenix, AZ 850161295229920
- Samer Bani Hani, MDPhoenix, AZ 850161700086550
- Basel Channis, M.D.Phoenix, AZ 850161982834594
- Hassan Hachem, M.D.Phoenix, AZ 850161598768020
- Edgardo Laurel, M.D.Phoenix, AZ 850161992708788
- Suman MisraPhoenix, AZ 850161023470879
- Maher Mousa, MDPhoenix, AZ 850161184622243
- Alexander Nimri, MDPhoenix, AZ 850161467666123
Common questions
What is Katharine Dahl, MD's NPI number?
Katharine Dahl, MD's National Provider Identifier (NPI) is 1073559621, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Dahl, MD located?
The NPPES record lists a practice address at 2545 E Thomas RD Ste 120, Phoenix, AZ, 85016. Phone: (026) 419-3378. Providers update this record themselves, so call before visiting.
How can I verify Katharine Dahl, MD's license?
NPPES lists Arizona license number 35343, 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 Katharine Dahl, MD prescribe under Medicare Part D?
In 2024, Katharine Dahl, MD had 1,323 Medicare Part D claims for 200 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.