Drug DevelopmentEnzyme AssaysEnzyme Replacement Therapy
Dr. Yan Ni, MD
NPI1477619989PAC ID2961563515
- Medicare services, 2024
- 101
- Medicare patients, 2024
- 82
- Part D claims, 2024
- 58
- Publications
- 13
- Affiliated sites
- 3
- Practice address
- 25 Carleton St, Cambridge, MA 02142
- Practice phone
- Call (617) 253-4481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MIT Health - Cambridge
Urgent Care Center · Cambridge, Massachusetts
Find Dr. Ni'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. Yan Ni is an emergency medicine physician in Cambridge, Massachusetts
Dr. Ni practices at MIT Health - Cambridge in Cambridge, Massachusetts.
Dr. Ni's NPI, 1477619989, was assigned on December 29, 2006. Dr. Ni holds Massachusetts license 213571.
NPI and contact details
- NPI
- 1477619989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961563515
- NPI enumeration date
- December 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 253-4481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yan Ni practices at MIT Health - Cambridge in Cambridge, Massachusetts
Dr. Ni's primary practice is MIT Health - Cambridge, at 25 Carleton St, Cambridge, MA 02142. The practice phone is (617) 253-4481.
- MIT Health - Cambridge25 Carleton St, Cambridge, MA 02142Phone(617) 253-4481
Source: Dmand AI Affiliation Data
Dr. Yan Ni is affiliated with 3 sites of care and 1 medical group
Dr. Ni's primary practice is MIT Health - Cambridge in Cambridge, Massachusetts. The medical group on file is MIT Health. Dmand AI also links Dr. Ni to 1 more physician office and 1 group practice or clinic, each named with a free account. Dr. Ni's employer is on file too: an urgent care center.
MIT Health - CambridgePrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yan Ni's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ni practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MIT Health - Cambridge | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Ni practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Yan Ni is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Ni's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ni is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Ni
Counts of emergency medicine physicians 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. Yan Ni billed Medicare for 101 services in 2024
CMS data shows 101 Medicare services from Dr. Ni across 3 procedure codes in 2024, for 82 Medicare patients. Medicare paid $7,034 for them. Every service was in an office.
Medicare services, 2024101
Medicare patients82
Paid by Medicare$7,034
Procedure codes3
Dr. Ni's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 742024: 8819%
- Lab and pathology
- 2023: 02024: 13
Dr. Ni compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Ni
- Massachusetts median
- Medicare services
- 101vs 34170% below
- Medicare patients
- 82vs 33776% below
- Part D claims
- 12vs 3667% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ni's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ni?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ni and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yan Ni treated 82 Medicare patients in 2024, average age 77
CMS counts 82 Medicare patients who saw Dr. Ni in 2024. The largest group is 75 to 84, with 35 patients. 61% of them have high blood pressure, and 45% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ni's median patient age at 69, with 64% women.
Medicare patients, 202482
Average age77
Average risk score0.88
Dr. Ni's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ni's Medicare patients by sex, 2024
- Women4454%
- Men3846%
Chronic conditions among Dr. Ni's Medicare patients, 2024
- High blood pressure61%
- High cholesterol45%
- Arthritis30%
- Atrial fibrillation23%
- Osteoporosis21%
- Anxiety18%
- Cancer18%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ni's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yan Ni wrote 58 Medicare Part D claims in 2024
In 2024, Dr. Ni wrote 58 Medicare Part D claims for 36 patients. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $27 in total drug cost. In 2019, CMS named 25 claims across 2 drugs.
Part D claims, 202458
Drugs named by CMS1
Total drug cost$27
Part D patients36
Dr. Ni's Part D claims by kind of drug, 2024
- Generic52 claims90%
- Brand-name and other6 claims10%
Dr. Ni's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ni's Part D claims, 2024
- Antibiotics43%25 of 58 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 252022: 1252%
Drugs named by CMS: 1 in 2022, 2 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Yan Ni takes part in Medicare
Dr. Ni accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find emergency medicine physicians like Dr. Ni by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Yan Ni has 13 publications on record
Dmand AI links 13 papers to Dr. Ni, published from 2010 to 2024. 2015 was the busiest year, with 3. The most frequent topics are Antibodies, Monoclonal, Biological Assay and Blood Platelets. Dr. Ni has published most often in AAPS J. Dr. Ni's most frequent co-authors are Shalini Gupta, MD, Daniel Bruce Kramer, MD, MPH and Rong Wendy Zeng, MD, PhD.
Papers13
Years published2010 to 2024
Dr. Ni's papers by year, 2010 to 2024
Topics Dr. Ni writes about most
- Antibodies, Monoclonal
- Biological Assay
- Blood Platelets
- Ligands
- Proprotein Convertase 9
- Proprotein Convertases
- Proteins
- Serine Endopeptidases
Dr. Ni's most frequent co-authors
- Shalini Gupta, MD1 shared paper
- Daniel Bruce Kramer, MD, MPH1 shared paper
- Rong Wendy Zeng, MD, PhD1 shared paper
Recent publications by Dr. Ni
Biological Assay
Blood PlateletsPeptidesPlatelet Aggregation
Factor XIFactor XI DeficiencyHemorrhage
Antibodies, Monoclonal, HumanizedCD55 AntigensComplement Activation
See who Dr. Ni researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ni works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Yan Ni'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Yan Ni
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. Yan Ni's NPI number?
Dr. Yan Ni's NPI number is 1477619989. It was assigned on December 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Yan Ni?
Dr. Yan Ni is an emergency medicine physician in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Yan Ni practice?
Dr. Ni practices at 25 Carleton St, Cambridge, MA 02142. Dr. Ni's primary practice is MIT Health - Cambridge in Cambridge, Massachusetts. Dmand AI also links Dr. Ni to 1 physician office and 1 group practice or clinic.
What is Dr. Yan Ni's office phone number?
The practice phone on file for Dr. Ni is (617) 253-4481.
What is Dr. Yan Ni's medical license number?
Dr. Ni holds Massachusetts license 213571.
What medical group is Dr. Yan Ni part of?
Dr. Ni is linked to MIT Health.
Does Dr. Yan Ni accept Medicare?
Yes. CMS data shows Dr. Ni billed Medicare for 101 services in 2024, and Dr. Ni accepts Medicare assignment.
How many Medicare patients does Dr. Yan Ni see?
CMS counts 82 Medicare patients who saw Dr. Ni in 2024, with an average age of 77.
What services does Dr. Yan Ni bill to Medicare?
In 2024, Dr. Ni's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and lab and pathology test (81003).
What drugs does Dr. Yan Ni prescribe most?
In 2022 Medicare Part D data, Dr. Ni's most prescribed drugs by claims were Losartan Potassium.
Show 3 more questionsShow fewer questions
How long has Dr. Yan Ni been practicing?
Dr. Ni graduated from medical school in 2000, 26 years ago.
Does Dr. Yan Ni do research?
Dmand AI links 13 publications to Dr. Ni, published from 2010 to 2024.
Who does Dr. Yan Ni publish with?
Dr. Ni's most frequent co-authors are Shalini Gupta, MD (1 shared paper), Daniel Bruce Kramer, MD, MPH (1 shared paper) and Rong Wendy Zeng, MD, PhD (1 shared paper).
Selling to emergency medicine practices?
See emergency medicine physicians in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card