DR. ELSON M HAAS M.D. NPI 1740318112

NPI Information

  • NPI: 1740318112
  • Provider Name: DR. ELSON M HAAS, M.D.
  • Classification: Allergy & Immunology - 207K00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 25 MITCHELL BLVD
    SUITE 8
    SAN RAFAEL, CA
    ZIP 94903
  • Phone: (415) 472-2343

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NPI Details

DR. Elson M Haas, M.D. is an allergy immunology in San Rafael, CA with 54 years of experience. The provider is 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. DR. Elson M Haas, M.D. NPI is 1740318112. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduation Year:1972

The provider's business location address is:

25 MITCHELL BLVD
SUITE 8
SAN RAFAEL, CA
ZIP 94903-007
Phone: (415) 472-2343
Fax: (415) 472-7636

The NPI 1740318112 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Test for allergy using allergenic extract injected into skin with delayed reaction analysis (HCPCS:95028)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS:G0439)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS:G0438)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment (HCPCS:G0402)
  • Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS:Q0091)
  • Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS:G0101)

The enumeration date for this NPI number is 2/28/2007 and was last updated on 7/8/2007.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207K00000XAllergy & ImmunologyG251970CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1A42567MEDICARE UPINCALIFORNIA
2G251970OTHERCALIFORNIALICENSE
300G251970MEDICARE ID-TYPE UNSPECIFIEDCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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