Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nathan John Alder, MD

Individual provider Urology Physician · NPI 1902420508

Nathan John Alder, MD is an Urology in Oklahoma City, Oklahoma. Qualified in 2020, 6 years ago. Practices with Mercy Clinic Oklahoma Communities, a 648-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
6
Licensed in
OK
In the registry since
2020
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4140 W Memorial Rd Ste 500
Oklahoma City, OK 73120-8300
Phone: (405) 749-4230
Fax: (405) 749-4228
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 36058 (OK)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1902420508
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2020
Last updated in NPPESSeptember 10, 2025
Certification dateSeptember 10, 2025
Mailing address4140 W Memorial Rd Ste 500, Oklahoma City, OK 73120-8300

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUROLOGY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Mercy Clinic Oklahoma Communities — 648 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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