Active NPI 1982622510 Individual Practitioner Male Practitioner

Dr. Christopher R. Collaco , MD

Allergy & Immunology • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Collaco, MD is a certified Allergy & Immunology practicing in Houston, TX. With approximately 27 years of clinical experience since graduating from University Of Texas Medical Branch At Galveston in 1999, Dr. Collaco delivers high-quality medical care to the local community at 3914 GRAMERCY ST.

Dr. Collaco accepts Medicare assignment.

Frequently performed procedures and clinical services include test for allergy using allergenic extract, professional service for preparation and provision of, injection of allergenic extracts into skin for immediate reaction analysis. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3914 Gramercy St
Suite A

Houston, TX 770251160

Telephone 7138880881

Fax 7138880891

Medicare Profile & Education

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Allergy & Immunology in Houston, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +5.1 yrs vs City Avg

City Avg: 21.9 Yrs

State Avg: 26.4 Yrs

Regional Practice Density

40 Specialists

Practicing in Houston, TX (346 Statewide)

Telehealth Adoption Rate

25.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Collaco (27 Years) 27 Yrs

Houston Specialty Average (21.9 Years) 21.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,361	21	$9.00	$3.73
95165 Professional service for preparation and provision of 1 or more antigens	481	15	$33.00	$14.09
95024 Injection of allergenic extracts into skin for immediate reaction analysis	411	12	$18.00	$7.98
95117 Professional service for multiple injections of allergen	306	22	$28.07	$12.27
99213 Established patient office or other outpatient visit, typically 15 minutes	243	104	$202.00	$89.29
95012 Test to measure the level of nitric oxide gas	53	37	$42.00	$18.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$249.00	$112.54
94060 Test to measure expiratory airflow and volume changes before and after medication administration	27	23	$86.00	$37.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$372.00	$167.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,479	23	$15.00	$4.11
95024 Injection of allergenic extracts into skin for immediate reaction analysis	442	12	$18.00	$8.18
95117 Professional service for multiple injections of allergen	303	23	$34.58	$11.90
95165 Professional service for preparation and provision of 1 or more antigens	290	14	$34.00	$15.30
99213 Established patient office or other outpatient visit, typically 15 minutes	275	109	$194.86	$91.62
95012 Test to measure the level of nitric oxide gas	59	38	$41.53	$19.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$247.00	$113.97
94060 Test to measure expiratory airflow and volume changes before and after medication administration	20	19	$116.30	$39.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$356.75	$169.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,092	16	$11.00	$4.20
95165 Professional service for preparation and provision of 1 or more antigens	630	14	$20.55	$15.94
95117 Professional service for multiple injections of allergen	282	21	$28.71	$11.94
99213 Established patient office or other outpatient visit, typically 15 minutes	275	95	$150.00	$93.51
95012 Test to measure the level of nitric oxide gas	44	29	$35.00	$19.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$168.00	$115.78
94060 Test to measure expiratory airflow and volume changes before and after medication administration	24	22	$107.00	$40.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$246.45	$169.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,161	18	$11.00	$4.26
95165 Professional service for preparation and provision of 1 or more antigens	620	15	$21.00	$16.48
95024 Injection of allergenic extracts into skin for immediate reaction analysis	487	13	$13.00	$8.93
95117 Professional service for multiple injections of allergen	269	17	$28.39	$11.80
99213 Established patient office or other outpatient visit, typically 15 minutes	188	84	$131.91	$94.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$168.00	$116.54
95012 Test to measure the level of nitric oxide gas	28	23	$35.00	$20.78
94060 Test to measure expiratory airflow and volume changes before and after medication administration	20	18	$107.00	$48.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$255.00	$174.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,364	21	$11.00	$4.35
95165 Professional service for preparation and provision of 1 or more antigens	700	14	$21.00	$14.73
95024 Injection of allergenic extracts into skin for immediate reaction analysis	500	14	$13.00	$8.37
95117 Professional service for multiple injections of allergen	279	16	$29.00	$10.97
99213 Established patient office or other outpatient visit, typically 15 minutes	224	84	$110.00	$77.21
95012 Test to measure the level of nitric oxide gas	26	21	$35.00	$20.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$168.00	$111.06
94060 Test to measure expiratory airflow and volume changes before and after medication administration	19	18	$107.00	$61.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	2,276	34	$11.00	$4.28
95044 Test for allergy using skin patch	804	11	$14.00	$5.72
95024 Injection of allergenic extracts into skin for immediate reaction analysis	463	13	$13.00	$8.23
95117 Professional service for multiple injections of allergen	224	14	$29.00	$10.77
99213 Established patient office or other outpatient visit, typically 15 minutes	195	84	$110.00	$75.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$168.00	$109.64
95012 Test to measure the level of nitric oxide gas	40	32	$35.00	$20.46
94060 Test to measure expiratory airflow and volume changes before and after medication administration	35	31	$107.00	$60.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$255.00	$166.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,846	26	$11.00	$5.05
95024 Injection of allergenic extracts into skin for immediate reaction analysis	528	14	$13.00	$7.75
99213 Established patient office or other outpatient visit, typically 15 minutes	161	67	$110.00	$69.88
95012 Test to measure the level of nitric oxide gas	38	29	$35.00	$19.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$168.00	$103.49
94060 Test to measure expiratory airflow and volume changes before and after medication administration	27	25	$107.00	$58.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,804	28	$11.00	$6.31
95024 Injection of allergenic extracts into skin for immediate reaction analysis	492	14	$13.00	$7.32
99213 Established patient office or other outpatient visit, typically 15 minutes	125	52	$110.00	$69.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$168.00	$102.72
95012 Test to measure the level of nitric oxide gas	26	17	$35.00	$17.99
94060 Test to measure expiratory airflow and volume changes before and after medication administration	16	13	$107.00	$57.51

Medical Specialties & State Licenses

Allergy & Immunology Primary Specialty

NUCC Taxonomy Code: 207K00000X

State License TX L3266

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

151929002 (TX)

Commercial Insurance / Payer ID Bcbs

8BV940 (TX)

Commercial Insurance / Payer ID Blue Link

0075959 (TX)

Practice Associates & Co-Workers

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

4 Associated Practitioners

Amanda Silva , PA-C

Physician Assistant

NPI 1245976315

Physician Assistant (Certified)

Gena Castilla , NP

Nurse Practitioner - Family

NPI 1285038216

Nurse Practitioner

Christina John , NP-C

Nurse Practitioner - Family

NPI 1437789906

Nurse Practitioner (Certified)

Noah Collaco

General Practice

NPI 1619595204

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active January 26, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location January 26, 2016

Registered at 3914 GRAMERCY ST, SUITE A, HOUSTON, TX 770251160 (Tel: 7138880881)

📍

Updated Business Mailing Address January 26, 2016

Registered at 3914 GRAMERCY ST STE A, SUITE G, HOUSTON, TX 770251107 (Tel: 7138880881)

👤

Provider Name / Credentials Updated January 26, 2016

Recorded as CHRISTOPHER COLLACO, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 26, 2016

Allergy & Immunology (License #L3266 in TX)

🟢

Initial NPI Registration & Enumeration July 18, 2006

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: 1982622510

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 18, 2006

Last Update: January 26, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3914 Gramercy St Ste A, Suite G

Houston, TX 770251107

Phone: 7138880881

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.