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Hospitalist in San Diego, CA
Dr Matthew Russell Callahan, Hospitalist in San Diego, CA
Matthew Russell Callahan is a hospitalist at 4077 Fifth AVE, Mer 127 in San Diego, CA. View phone 619-260-7125 and NPI 1083901839.
- Specialty
- Hospitalist
- Location
- San Diego, CA
- NPI
- 1083901839
- Pricing
- Current estimate required
Pricing information
Loa does not yet have a verified provider-submitted price for this listing. Ask the provider and your insurer for a current estimate before scheduling care.
How to confirm pricing with Matthew Russell Callahan M.D.
Published and estimated prices are a starting point. Confirm these details before scheduling to avoid surprises.
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Related provider profiles
Provider record and data sources
Matthew Russell Callahan M.D. is published from source-labeled provider data. Registry classifications, practice locations, network participation, and contact information can change, so verify current details before care, billing, or referral.
- Primary taxonomyHospitalist (208M00000X)
Source: NPI Registry. Source record updated November 20, 2019. Loa profile refreshed Jul 26, 2026.
Frequently asked questions
Can I see prices for Matthew Russell Callahan M.D.?
Loa does not yet have a verified provider-submitted price for Matthew Russell Callahan M.D.. Ask the office for a written self-pay estimate and compare nearby source-labeled prices before scheduling.
What information is shown for Matthew Russell Callahan M.D.?
This profile shows public provider information for Hospitalist in San Diego, CA, including contact details, NPI source information, and source-labeled price context when available.
What NPI taxonomy is listed for Matthew Russell Callahan M.D.?
Matthew Russell Callahan M.D. is listed as an NPI individual under Hospitalist (208M00000X). Registry classifications can change and do not guarantee that every listed service is currently offered.
How should I confirm care details with Matthew Russell Callahan M.D.?
Contact the office before care to confirm the location, appointment availability, network participation, exact service and billing code, and all expected professional or facility fees.
How can Matthew Russell Callahan M.D. update this profile?
The provider or an authorized representative can claim the profile or suggest a correction. Loa reviews submitted changes before publishing them.