npidata.org
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbyPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs Specialties States API

Search › Arizona › Internal Medicine Physician

Douglas Spegman, MD

NPI 1912979675 · on the registry since 2006

Practice

Address
839 W Congress St
Tucson, AZ 85745
Phone
(520) 670-3909
Fax
(520) 670-3840
Organisation at this address
El Rio Health Center
El Rio Health Center Pharmacy
El Rio Santa Cruz Neighborhood Health Center
El Rio Santa Cruz Neighborhood Health Center
El Rio Santa Cruz Neighborhood Health Center
Inferred from a shared address, not stated in the registry.
Clinicians at this address
217

Registry record

Primary taxonomy
Internal Medicine Physician
207R00000X
Licence states on file
AZ
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Arizona