Dr. Frederic Grannis, MD

  • Duarte, CA
  • Cardiothoracic surgeon
NPI1598773582
Publications
12
State license
1
Year NPI issued
2006
Practice address
1500 E Duarte Rd, Duarte, CA 91010
Practice phone
Call (626) 359-8111
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Frederic Grannis is a cardiothoracic surgeon in Duarte, California

Dr. Grannis practices in Duarte, California.

Dr. Grannis' NPI, 1598773582, was assigned on August 4, 2006. Dr. Grannis holds California license G36693.

NPI and contact details
NPI enumeration date
August 4, 2006
NPI status
Active
Practice phone
(626) 359-8111
Professional email
Get email
Personal email
Get email
Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Frederic Grannis' practice address is in Duarte, California

Dr. Grannis' practice address in the NPI Registry is 1500 E Duarte Rd, Duarte, CA 91010. The practice phone is (626) 359-8111.

  • NPI Registry address
    1500 E Duarte Rd, Duarte, CA 91010Phone(626) 359-8111

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Frederic Grannis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grannis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Grannis' practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Frederic Grannis is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Grannis' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Grannis is licensed in California.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense G36693 · taxonomy 208G00000X

Cardiothoracic surgeons near Dr. Grannis

Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

568cardiothoracic surgeons in California
7cardiothoracic surgeons in Duarte

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Frederic Grannis has 12 publications on record

Dmand AI links 12 papers to Dr. Grannis, published from 2010 to 2025. 2014 was the busiest year, with 3. The most frequent topics are Lung Neoplasms, Carcinoma, Non-Small-Cell Lung and Early Detection of Cancer. Dr. Grannis has published most often in J Natl Compr Canc Netw. Dr. Grannis' most frequent co-authors are Todd Demmy, MD, David S. Ettinger, MD and Ritsuko U. Komaki, MD.

Papers12
Years published2010 to 2025

Dr. Grannis' papers by year, 2010 to 2025

Topics Dr. Grannis writes about most

  • Lung Neoplasms
  • Carcinoma, Non-Small-Cell Lung
  • Early Detection of Cancer
  • Tomography, X-Ray Computed

Dr. Grannis' most frequent co-authors

Recent publications by Dr. Grannis

See all 12 publications and co-authors

See who Dr. Grannis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grannis works with, so you can find a warm path to the right cardiothoracic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Sources for Dr. Frederic Grannis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Frederic Grannis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Frederic Grannis' NPI number?

Dr. Frederic Grannis' NPI number is 1598773582. It was assigned on August 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Frederic Grannis?

Dr. Frederic Grannis is a cardiothoracic surgeon in Duarte, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. Frederic Grannis practice?

Dr. Grannis practices at 1500 E Duarte Rd, Duarte, CA 91010.

What is Dr. Frederic Grannis' office phone number?

The practice phone on file for Dr. Grannis is (626) 359-8111.

What is Dr. Frederic Grannis' medical license number?

Dr. Grannis holds California license G36693.

How long has Dr. Frederic Grannis been practicing?

Dr. Grannis' NPI was assigned in 2006.

Does Dr. Frederic Grannis do research?

Dmand AI links 12 publications to Dr. Grannis, published from 2010 to 2025.

Who does Dr. Frederic Grannis publish with?

Dr. Grannis' most frequent co-authors are Todd Demmy, MD (4 shared papers), David S. Ettinger, MD (4 shared papers) and Ritsuko U. Komaki, MD (4 shared papers).

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

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