Dr. Christina Marsica Grassi, MD
- Part D claims, 2016
- 18
- Publications
- 3
- Industry payments
- $645
- State licenses
- 2
- Year NPI issued
- 2015
- Practice address
- 330 Mt Auburn St, Cambridge, MA 02138
- Practice phone
- Call (617) 492-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Grassi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Christina Marsica Grassi is an ophthalmologist in Cambridge, Massachusetts
Dr. Grassi practices in Cambridge, Massachusetts.
Dr. Grassi's NPI, 1306228515, was assigned on June 24, 2015. Dr. Grassi holds New York license 286348.
- NPI
- 1306228515NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2015
- NPI status
- Active
- Practice phone
- (617) 492-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Christina Marsica Grassi's practice address is in Cambridge, Massachusetts
Dr. Grassi's practice address in the NPI Registry is 330 Mt Auburn St, Cambridge, MA 02138. The practice phone is (617) 492-3500.
- NPI Registry address330 Mt Auburn St, Cambridge, MA 02138Phone(617) 492-3500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Christina Marsica Grassi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grassi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Grassi's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christina Marsica Grassi is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. Grassi's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Grassi's licenses on file in 2 states: New York and Massachusetts.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
- Massachusetts license
Ophthalmologists near Dr. Grassi
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christina Marsica Grassi wrote 18 Medicare Part D claims in 2016
In 2016, Dr. Grassi wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $60 in total drug cost.
Dr. Grassi's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Christina Marsica Grassi has 3 publications on record
Dmand AI links 3 papers to Dr. Grassi in 2015. 2015 was the busiest year, with 2. Dr. Grassi's most frequent co-authors are James Chodosh, MD, MPH, Kathryn A. Colby, MD and Gelareh Homayounfar, MD.
Dr. Grassi's most frequent co-authors
- James Chodosh, MD, MPH3 shared papers
- Kathryn A. Colby, MD3 shared papers
- Gelareh Homayounfar, MD1 shared paper
Recent publications by Dr. Grassi
See who Dr. Grassi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grassi works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christina Marsica Grassi received $645 in industry payments from 2016 to 2019
CMS Open Payments shows 6 general payments to Dr. Grassi from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 72% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $336.
General payments to Dr. Grassi by program year, 2016 to 2019
General payments to Dr. Grassi by kind, 2016 to 2019
- Food and beverage$46772%
- Education$17828%
Companies that paid Dr. Grassi the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christina Marsica Grassi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Christina Marsica Grassi
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. Christina Marsica Grassi's NPI number?
Dr. Christina Marsica Grassi's NPI number is 1306228515. It was assigned on June 24, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Christina Marsica Grassi?
Dr. Christina Marsica Grassi is an ophthalmologist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Christina Marsica Grassi practice?
Dr. Grassi practices at 330 Mt Auburn St, Cambridge, MA 02138.
What is Dr. Christina Marsica Grassi's office phone number?
The practice phone on file for Dr. Grassi is (617) 492-3500.
What is Dr. Christina Marsica Grassi's medical license number?
Dr. Grassi holds New York license 286348, one of the licenses on file in 2 states.
Which states has Dr. Christina Marsica Grassi been licensed in?
Dmand AI has state licenses on file for Dr. Grassi in New York and Massachusetts.
What drugs does Dr. Christina Marsica Grassi prescribe most?
In 2016 Medicare Part D data, Dr. Grassi's most prescribed drugs by claims were Furosemide.
Has Dr. Christina Marsica Grassi received payments from drug or device companies?
CMS Open Payments shows $645 in general payments to Dr. Grassi from 4 companies from 2016 to 2019. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Christina Marsica Grassi been practicing?
Dr. Grassi's NPI was assigned in 2015.
Does Dr. Christina Marsica Grassi do research?
Dmand AI links 3 publications to Dr. Grassi.
Who does Dr. Christina Marsica Grassi publish with?
Dr. Grassi's most frequent co-authors are James Chodosh, MD, MPH (3 shared papers), Kathryn A. Colby, MD (3 shared papers) and Gelareh Homayounfar, MD (1 shared paper).
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