Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Margaret Hay, MD

Individual provider Internal Medicine Physician · NPI 1003347683

Margaret Hay, MD is a Pulmonary Disease in Denver, Colorado. Graduated from Ohio State University College of Medicine in 2017, 9 years ago. Practices with Critical Care Pulmonary and Sleep Associates Professional LLP, a 60-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
9
Trained at
Ohio State University College of Medicine
Licensed in
CO
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1601 E 19th Ave Ste 3100
Denver, CO 80218-1239
Phone: (303) 863-0300
Fax: (303) 863-7014
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 71056 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 71056 (CO)

Record details

NPI number1003347683
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2017
Last updated in NPPESAugust 30, 2023
Certification dateAugust 30, 2023
Mailing address1601 E 19th Ave Ste 3100, Denver, CO 80218-1239

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Critical Care Pulmonary And Sleep Associates Professional Llp — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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