Dr. Nina Zachariah, MD
- Medicare services, 2024
- 136
- Medicare patients, 2024
- 131
- Industry payments
- $17
- Affiliated sites
- 5
- Medical groups
- 4
- Practice address
- 840 Winter Street, Waltham, MA 02451
- Practice phone
- Call (781) 895-4901
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boston Out-Patient Surgical Suites
Surgery Center - Medicare-Certified · Waltham, Massachusetts
Find Dr. Zachariah'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. Nina Zachariah is an anesthesiologist in Waltham, Massachusetts
Dr. Zachariah practices at Boston Out-Patient Surgical Suites in Waltham, Massachusetts.
Dr. Zachariah's NPI, 1285610261, was assigned on December 21, 2005. Dr. Zachariah holds Massachusetts license 209083.
- NPI
- 1285610261NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577662899
- NPI enumeration date
- December 21, 2005
- NPI status
- Active
- Practice phone
- (781) 895-4901
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nina Zachariah practices at Boston Out-Patient Surgical Suites in Waltham, Massachusetts
Dr. Zachariah's primary practice is Boston Out-Patient Surgical Suites, at 840 Winter Street, Waltham, MA 02451. The practice phone is (781) 895-4901.
- Boston Out-Patient Surgical Suites840 Winter Street, Waltham, MA 02451Phone(781) 895-4901
Source: Dmand AI Affiliation Data
Dr. Nina Zachariah is affiliated with 5 sites of care and 4 medical groups
Dr. Zachariah's primary practice is Boston Out-Patient Surgical Suites in Waltham, Massachusetts. The medical group on file is Capa Anesthesia. Dmand AI also links Dr. Zachariah to 4 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nina Zachariah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zachariah practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Out-Patient Surgical Suites | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nina Zachariah is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Zachariah's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Zachariah is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Zachariah
Counts of anesthesiologists 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. Nina Zachariah billed Medicare for 136 services in 2024
CMS data shows 136 Medicare services from Dr. Zachariah across 4 procedure codes in 2024, for 131 Medicare patients. Medicare paid $15,151 for them.
Dr. Zachariah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1422024: 8540%
- Surgery
- 2023: 492024: 514%
Where Dr. Zachariah's Medicare services took place, 2024
- In an office2418%
- In a facility11282%
Dr. Zachariah compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Zachariah
- Massachusetts median
- Medicare services
- 136vs 1268% above
- Medicare patients
- 131vs 20035% below
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Zachariah'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zachariah and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nina Zachariah treated 131 Medicare patients in 2024, average age 70
CMS counts 131 Medicare patients who saw Dr. Zachariah in 2024. The largest group is 65 to 74, with 104 patients. 70% of them have high cholesterol, and 60% have arthritis. 9% are also on Medicaid. Their average risk score is 0.66, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zachariah's median patient age at 59, with 43% women.
Dr. Zachariah's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zachariah's Medicare patients by sex, 2024
- Women5744%
- Men7456%
Chronic conditions among Dr. Zachariah's Medicare patients, 2024
- High cholesterol70%
- Arthritis60%
- High blood pressure56%
- Anxiety20%
- Diabetes18%
- Mood disorders18%
- Depression15%
- Osteoporosis12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zachariah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Nina Zachariah received $17 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Zachariah from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $17.
Companies that paid Dr. Zachariah the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nina Zachariah'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) |
| 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. Nina Zachariah
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. Nina Zachariah's NPI number?
Dr. Nina Zachariah's NPI number is 1285610261. It was assigned on December 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Nina Zachariah?
Dr. Nina Zachariah is an anesthesiologist in Waltham, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Nina Zachariah practice?
Dr. Zachariah practices at 840 Winter Street, Waltham, MA 02451. Dr. Zachariah's primary practice is Boston Out-Patient Surgical Suites in Waltham, Massachusetts. Dmand AI also links Dr. Zachariah to 4 group practices and clinics and 3 medical groups.
What is Dr. Nina Zachariah's office phone number?
The practice phone on file for Dr. Zachariah is (781) 895-4901.
What is Dr. Nina Zachariah's medical license number?
Dr. Zachariah holds Massachusetts license 209083.
What medical group is Dr. Nina Zachariah part of?
Dr. Zachariah is linked to Capa Anesthesia. Dmand AI links Dr. Zachariah to 3 more medical groups.
Does Dr. Nina Zachariah accept Medicare?
Yes. CMS data shows Dr. Zachariah billed Medicare for 136 services in 2024.
How many Medicare patients does Dr. Nina Zachariah see?
CMS counts 131 Medicare patients who saw Dr. Zachariah in 2024, with an average age of 70.
What services does Dr. Nina Zachariah bill to Medicare?
In 2024, Dr. Zachariah's most billed Medicare services were surgery: brain, spine and nerves (64415), anesthesia (01630) and anesthesia (00811).
Has Dr. Nina Zachariah received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Zachariah from 1 company from 2022 to 2022. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Nina Zachariah been practicing?
Dr. Zachariah graduated from medical school in 1986, 40 years ago.
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