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

Dr. Anne Maria Grzegorczyk, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1720434004

Dr. Anne Maria Grzegorczyk, MD is a Pulmonary Disease in Walnut Creek, California. Qualified in 2016, 10 years ago. Practices with Muir Pulmonary Critical Care, a 13-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
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

2700 Ygnacio Valley Rd Ste 100
Walnut Creek, CA 94598-3462
Phone: (925) 939-3050
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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 A154982 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A154982 (CA)

Record details

NPI number1720434004
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2016
Last updated in NPPESApril 22, 2024
Certification dateApril 22, 2024

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Muir Pulmonary Critical Care — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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