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Dr. Zamir Nestelbaum, MD
NPI1518971399PAC ID2163479676
- Medicare services, 2024
- 411
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 1,120
- Publications
- 2
- Industry payments
- $332
- Practice address
- 338 Highland St, Worcester, MA 01602
- Practice phone
- Call (508) 752-5880
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Newton Square Health Center, PC
Worcester, Massachusetts
Find Dr. Nestelbaum's professional email, personal email and mobile number
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Dr. Zamir Nestelbaum is a psychiatrist in Worcester, Massachusetts
Dr. Nestelbaum practices at Newton Square Health Center, PC in Worcester, Massachusetts.
Dr. Nestelbaum's NPI, 1518971399, was assigned on July 28, 2006. Dr. Nestelbaum graduated from University of Massachusetts Medical School in 1981. Dr. Nestelbaum holds Massachusetts license 59160.
NPI and contact details
- NPI
- 1518971399NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163479676
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 752-5880
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zamir Nestelbaum practices at Newton Square Health Center, PC in Worcester, Massachusetts
Dr. Nestelbaum's primary practice is Newton Square Health Center, PC, at 338 Highland St, Worcester, MA 01602 in Worcester County. The practice phone is (508) 752-5880.
- Newton Square Health Center, PC338 Highland St, Worcester, MA 01602 · Worcester CountyPhone(508) 752-5880
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Zamir Nestelbaum is affiliated with 2 sites of care and 2 medical groups
Dr. Nestelbaum's primary practice is Newton Square Health Center, PC in Worcester, Massachusetts. The medical group on file is Newton Square Counseling Collaborative. Dmand AI also links Dr. Nestelbaum to 1 more group practice or clinic and 1 medical group, each named with a free account.
Newton Square Health Center, PCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Zamir Nestelbaum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nestelbaum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Newton Square Health Center, PC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zamir Nestelbaum is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Nestelbaum's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Nestelbaum's licenses on file in 2 states: Massachusetts and New York.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
- New York license
Psychiatrists near Dr. Nestelbaum
Counts of psychiatrists 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. Zamir Nestelbaum billed Medicare for 411 services in 2024
CMS data shows 411 Medicare services from Dr. Nestelbaum across 3 procedure codes in 2024, for 43 Medicare patients. Medicare paid $32,653 for them. Every service was in an office.
Medicare services, 2024411
Medicare patients43
Paid by Medicare$32,653
Procedure codes3
Dr. Nestelbaum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2072024: 208No change
- Tests and treatments
- 2023: 1192024: 20371%
Dr. Nestelbaum compared with the Massachusetts median for psychiatrists, 2024
- Dr. Nestelbaum
- Massachusetts median
- Medicare services
- 411vs 1722.4 times
- Medicare patients
- 43vs 42Close to median
- Part D claims
- 958vs 9210.4 times
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nestelbaum'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. Nestelbaum and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zamir Nestelbaum treated 43 Medicare patients in 2024, average age 70
CMS counts 43 Medicare patients who saw Dr. Nestelbaum in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high cholesterol, and 70% have mood disorders. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nestelbaum's median patient age at 46, with 68% women.
Medicare patients, 202443
Average age70
Average risk score1.04
Dr. Nestelbaum's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nestelbaum's Medicare patients by sex, 2024
- Women2763%
- Men1637%
Chronic conditions among Dr. Nestelbaum's Medicare patients, 2024
- High cholesterol75%
- Mood disorders70%
- Anxiety63%
- High blood pressure53%
- Depression51%
- Arthritis35%
- Bipolar disorder35%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nestelbaum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zamir Nestelbaum wrote 1,120 Medicare Part D claims in 2024
In 2024, Dr. Nestelbaum wrote 1,120 Medicare Part D claims for 78 patients. 97% of them were for generic drugs. CMS names the drug for 958 of them, across 22 drugs with 11 or more claims each, at $43,329 in total drug cost. In 2023, CMS named 1,050 claims across 22 drugs.
Part D claims, 20241,120
Drugs named by CMS22
Total drug cost$43,329
Part D patients78
Dr. Nestelbaum's Part D claims by kind of drug, 2024
- Generic1,086 claims97%
- Brand-name34 claims3%
Dr. Nestelbaum's most prescribed drugs by claims, 2024
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. Nestelbaum's Part D claims, 2024
- Antipsychotics, patients 65 and over8%88 of 1,120 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0502024: 9589%
Drugs named by CMS: 22 in 2024, 22 in 2023.
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
Dr. Zamir Nestelbaum offers telehealth to Medicare patients
Dr. Nestelbaum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nestelbaum as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Zamir Nestelbaum has 2 publications on record
Dmand AI links 2 papers to Dr. Nestelbaum in 2014. The most frequent topics are Mental Disorders. Dr. Nestelbaum's most frequent co-author is Walter Armin Brown, MD.
Papers2
Topics Dr. Nestelbaum writes about most
- Mental Disorders
Dr. Nestelbaum's most frequent co-authors
Recent publications by Dr. Nestelbaum
Psychiatr Serv
Interviews as TopicMedication ReconciliationMental Disorders
See who Dr. Nestelbaum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nestelbaum works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Zamir Nestelbaum received $332 in industry payments from 2016 to 2021
CMS Open Payments shows 7 general payments to Dr. Nestelbaum from 6 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $174.
General payments to Dr. Nestelbaum by program year, 2016 to 2021
Companies that paid Dr. Nestelbaum the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zamir Nestelbaum graduated from University of Massachusetts Medical School
Dr. Nestelbaum graduated from University of Massachusetts Medical School in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Zamir Nestelbaum'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Zamir Nestelbaum
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. Zamir Nestelbaum's NPI number?
Dr. Zamir Nestelbaum's NPI number is 1518971399. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Zamir Nestelbaum?
Dr. Zamir Nestelbaum is a psychiatrist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Zamir Nestelbaum practice?
Dr. Nestelbaum practices at 338 Highland St, Worcester, MA 01602. Dr. Nestelbaum's primary practice is Newton Square Health Center, PC in Worcester, Massachusetts. Dmand AI also links Dr. Nestelbaum to 1 group practice or clinic and 1 medical group.
What is Dr. Zamir Nestelbaum's office phone number?
The practice phone on file for Dr. Nestelbaum is (508) 752-5880.
What is Dr. Zamir Nestelbaum's medical license number?
Dr. Nestelbaum holds Massachusetts license 59160, one of the licenses on file in 2 states.
Which states has Dr. Zamir Nestelbaum been licensed in?
Dmand AI has state licenses on file for Dr. Nestelbaum in Massachusetts and New York.
What medical group is Dr. Zamir Nestelbaum part of?
Dr. Nestelbaum is linked to Newton Square Counseling Collaborative. Dmand AI links Dr. Nestelbaum to 1 more medical group.
Does Dr. Zamir Nestelbaum accept Medicare?
Yes. CMS data shows Dr. Nestelbaum billed Medicare for 411 services in 2024, and Dr. Nestelbaum accepts Medicare assignment.
Does Dr. Zamir Nestelbaum offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nestelbaum as offering telehealth services.
How many Medicare patients does Dr. Zamir Nestelbaum see?
CMS counts 43 Medicare patients who saw Dr. Nestelbaum in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
What services does Dr. Zamir Nestelbaum bill to Medicare?
In 2024, Dr. Nestelbaum's most billed Medicare services were office visit, established patient (99214), psychiatric service (90833) and psychiatric service (90838).
Where did Dr. Zamir Nestelbaum go to medical school?
Dr. Nestelbaum graduated from University of Massachusetts Medical School in 1981.
What drugs does Dr. Zamir Nestelbaum prescribe most?
In 2024 Medicare Part D data, Dr. Nestelbaum's most prescribed drugs by claims were Clonazepam, Alprazolam and Venlafaxine HCl ER.
Has Dr. Zamir Nestelbaum received payments from drug or device companies?
CMS Open Payments shows $332 in general payments to Dr. Nestelbaum from 6 companies from 2016 to 2021. The largest total came from Allergan Inc.
How long has Dr. Zamir Nestelbaum been practicing?
Dr. Nestelbaum graduated from medical school in 1981, 45 years ago.
Does Dr. Zamir Nestelbaum do research?
Dmand AI links 2 publications to Dr. Nestelbaum.
Who does Dr. Zamir Nestelbaum publish with?
Dr. Nestelbaum's most frequent co-authors are Walter Armin Brown, MD (2 shared papers).
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