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Deactivated NPI 1134104581 Deactivated / Inactive NPI Male Practitioner

Dr. Robert Calson , MD

Allergy & Immunology • Ukiah, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Robert Calson has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date December 08, 2005
NPI Deactivation Date June 05, 2024
Total Practice Duration ~19 Years of Practice (2005 – 2024)

Professional Overview & Biography Verified Profile Summary

Dr. Robert Calson, MD was a registered Allergy & Immunology practicing in Ukiah, CA. Throughout an active medical career spanning 19 years, Dr. Calson provided care at the practice location at 260 HOSPITAL DR until profile deactivation on 2024-06-05.

Historical Medicare Part B clinical services included test to measure expiratory airflow and volume changes before and after medication administration, test to examine how well the lungs exchange gases, determination of lung volumes using plethysmography. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

260 Hospital Dr
Suite 103

Ukiah, CA 954824533

Telephone 7074638000
Fax 7074621111
Associated Practice Facility / Clinic
🏢 Thomas D Reidenbach Facility NPI 1427248772

Specialty Benchmarks & Practice Insights

Comparative analytics for Allergy & Immunology in Ukiah, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 26.0 Yrs
Regional Practice Density
1 Specialists

Practicing in Ukiah, CA (476 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
79.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
94060 Test to measure expiratory airflow and volume changes before and after medication administration
47 47 $69.00 $13.74
94729 Test to examine how well the lungs exchange gases
44 44 $44.00 $9.61
94726 Determination of lung volumes using plethysmography
43 43 $67.00 $12.99

Medical Specialties & State Licenses

Allergy & Immunology Primary Specialty

NUCC Taxonomy Code: 207K00000X

State License CA A23437

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

36 Associated Practitioners
Frances Laughton , FNP

Nurse Practitioner - Family

NPI 1013160811

Family Nurse Practitioner

Dr. Guy Teran , MD

Internal Medicine

NPI 1013992452

Doctor of Medicine (M.D.)

NPI 1023027992

Doctor of Osteopathic Medicine (D.O.)

NPI 1063525947

Doctor of Medicine (M.D.)

Laura Mares , LCSW

Social Worker - Clinical

NPI 1063538155

Licensed Clinical Social Worker

Shakuntala Blomquist

Nurse Practitioner - Family

NPI 1114557345

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
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NPI Profile Deactivated June 05, 2024

Record deactivated on June 05, 2024

NPI Profile Active June 20, 2011

NPI status registered as active in NPPES database

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Updated Practice Location June 20, 2011

Registered at 260 HOSPITAL DR, SUITE 103, UKIAH, CA 954824533 (Tel: 7074638000)

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Updated Business Mailing Address June 20, 2011

Registered at PO BOX 2739, UKIAH, CA 954822739 (Tel: 7074638000)

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Provider Name / Credentials Updated June 20, 2011

Recorded as ROBERT CALSON, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2011

Allergy & Immunology (License #A23437 in CA)

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2011

Internal Medicine (License #A23437 in CA)

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Initial NPI Registration & Enumeration December 08, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1134104581
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 08, 2005
Last Update: June 20, 2011
Deactivation Date: June 05, 2024

Mailing Address

Po Box 2739

Ukiah, CA 954822739

Phone: 7074638000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.