DR. ELSON M HAAS M.D.
NPI 1740318112
Allergy & Immunology in San Rafael, CA

Q: What is Elson Haas's NPI number?

The NPI number for Elson Haas is 1740318112. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Q: What is Elson Haas's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Elson Haas was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 28, 2007PECOS EnrolledAccepts Medicare Assignment

25/100

CMS Quality Rating

25 MITCHELL BLVD, SUITE 8, SAN RAFAEL, CA 94903(415) 472-2343(415) 472-7636 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Elson M Haas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELSON M HAAS M.D. (NPI 1740318112) is an individual allergy & immunology provider in San Rafael, California, licensed in California (G251970) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1972).

NPPES Registry Identity

NPI1740318112

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDR. ELSON M HAASCredential: M.D.

Location Address25 MITCHELL BLVD, SUITE 8San Rafael, CA 94903-2007

Mailing Address25 Mitchell Blvd, Suite 8San Rafael, CA 94903-2007 · (415) 472-2343 · Fax (415) 472-7636

Phone(415) 472-2343

Fax(415) 472-7636

Sole ProprietorYes

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1972

Enumeration DateFebruary 28, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1740318112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CA · G251970

Definition

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.

25 MITCHELL BLVD, San Rafael, CA 94903

Open in Google Maps ↗

Other Identifiers 3

Medicare UPINA42567CA

OtherG251970CA · License

Medicare ID-Type Unspecified00G251970CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elson M Haas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153481080

PECOS Enrollment IDI20081201000549

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract injected into skin with delayed reaction analysis 95028

This test involves injecting a tiny amount of allergen under your skin. After about 15-20 minutes, the area is checked for a reaction. A positive result is a raised, red bump, indicating an allergy. The test helps identify what you're allergic to.

1,863 services49 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,000 services466 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

273 services198 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

212 services174 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

128 services108 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

104 services104 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

87 services87 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

43 services43 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

38 services38 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

29 services28 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

29 services29 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

25/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

83.33

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

2 suppliers20 claims62 services$18.30 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims6,240 services$9.55 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

2 suppliers17 claims79 services$2.36 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Leave this field empty

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JUDY LANE N.P., R.N.

Nurse Practitioner (Adult Health)

25 MITCHELL BLVD, SUITE 8
SAN RAFAEL, CA 94903

Marin County (415) 472-2343

DR. ANN HATHAWAY MD

Family Medicine

25 MITCHELL BLVD, #3
SAN RAFAEL, CA 94903

Marin County (415) 499-0966

SEEMIN ANNA DALLENBACH D.C.

Chiropractor

25 MITCHELL BLVD, SUITE 8
SAN RAFAEL, CA 94903

Marin County (415) 472-2343

MS. KARILEE HALO SHAMES PHD, RN, A-HNC

Registered Nurse (Psychiatric/Mental Health)

25 MITCHELL BLVD, SUITE 8
SAN RAFAEL, CA 94903

Marin County (415) 472-2343

DR. RICHARD L. SHAMES MD

Preventive Medicine (Public Health & General Preventive Medicine)

25 MITCHELL BLVD, #8
SAN RAFAEL, CA 94903

Marin County (415) 472-2343

ESSENTIAL BALANCE PHYSICAL THERAPY, INC

Physical Therapist

25 MITCHELL BLVD, SUITE 2
SAN RAFAEL, CA 94903

Marin County (415) 924-5700

LAUREN IONE FRIEDEMAN DPT

Physical Therapist

25 MITCHELL BLVD, SUITE 2
SAN RAFAEL, CA 94903

Marin County (415) 924-5700

DR. THOMAS REECE DO

Neuromusculoskeletal Medicine, Sports Medicine

25 MITCHELL BLVD
SAN RAFAEL, CA 94903

Marin County (415) 472-2343

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elson Haas's NPI number?

The NPI number for Elson Haas is 1740318112. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Elson Haas located?

Elson Haas practices at 25 Mitchell Blvd Suite 8, San Rafael, CA 94903. The listed phone number is (415) 472-2343.

What is Elson Haas's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Elson Haas enrolled in Medicare?

Yes. Elson Haas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Elson Haas was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.