DR. MICHAEL MONTGOMERY BLAIR D.O.
NPI 1104037100
Otolaryngology - Otolaryngology/Facial Plastic Surgery in San Marcos, TX

Active since May 24, 2007PECOS EnrolledAccepts Medicare Assignment
1340 WONDER WORLD DR STE 4031, SAN MARCOS, TX 78666(512) 353-6400 Get Directions Write a Review

NPPES record last updated: May 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 12, 2025, Jun 14, 2021 (2 updates tracked since 2021).

About Dr. Michael Montgomery Blair D.o. NPPES

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

DR. MICHAEL MONTGOMERY BLAIR D.O. (NPI 1104037100) is an individual otolaryngology/facial plastic surgery provider in San Marcos, Texas, licensed in Texas (P0551) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of Kansas City University Of Physicians And Surgeons (2006).

NPPES Registry Identity

NPI1104037100
Entity TypeIndividualMale
Primary Taxonomy207YX0905X
Provider Legal NameDR. MICHAEL MONTGOMERY BLAIRCredential: D.O.
Location Address1340 WONDER WORLD DR STE 4031San Marcos, TX 78666-7598
Mailing Address1340 Wonder World Dr Ste 4031San Marcos, TX 78666-7598 · (512) 353-6400
Sole ProprietorYes
Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2006
Enumeration DateMay 24, 2007
Last NPPES UpdateMay 12, 20252 updates tracked since enumeration
NPPES CertifiedMay 12, 2025
NPI 1104037100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngology · Otolaryngology/Facial Plastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207YX0905X
License Licensed in TX · P0551
Definition
An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.
1340 WONDER WORLD DR STE 4031, San Marcos, TX 78666

Other Identifiers 3

OtherP00995618TX · Rr Medicare
Medicaid287444801TX
OtherTXB140444TX · Medicare

Accepted Insurance

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. Michael Montgomery Blair D.o. 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 ID7113191479
PECOS Enrollment IDI20111122000866
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 21

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.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
2,230 services49 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
1,187 services54 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
1,144 services26 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
1,039 services26 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.
162 services126 patients
Biopsy or removal of nasal polyp or tissue using an endoscope 31237
A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.
71 services29 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450272
Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 10

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
8 suppliers53 claims53 services$31.86 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers25 claims25 services$71.54 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers25 claims72 services$26.37 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
5 suppliers16 claims82 services$14.20 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
2 suppliers13 claims78 services$12.66 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
6 suppliers30 claims30 services$48.06 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Michael Blair's NPI number?

The NPI number for Michael Blair is 1104037100. It was assigned to this individual provider in the NPPES registry on May 24, 2007.

Where is Michael Blair located?

Michael Blair practices at 1340 Wonder World Dr Ste 4031, San Marcos, TX 78666. The listed phone number is (512) 353-6400.

What is Michael Blair's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.

Is Michael Blair enrolled in Medicare?

Yes. Michael Blair 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.

What insurance does Michael Blair accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Michael Blair as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Blair affiliated with any hospitals?

According to CMS data, Michael Blair is affiliated with Christus Santa Rosa Hospital-San Marcos.

When was this NPI record last updated?

The NPPES record for Michael Blair was last updated on May 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.