DR. ZAMIR NESTELBAUM (MD) – Psychiatry Physician, NPI 1518971399

DR. ZAMIR NESTELBAUM (MD) is a healthcare provider. based in Worcester, Massachusetts. specializing in PSYCHIATRY. They hold the professional credentials MD. They hold a License No. 59160 (MA). The NPI Number for DR. ZAMIR NESTELBAUM (MD) is 1518971399

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
DR. ZAMIR NESTELBAUM (MD)
NPI
1518971399
Phone
(508) 752-5880
Address
338 HIGHLAND ST
Enumeration Date
28 July 2006
Last Update Date
6 December 2013

Doctor Profile

Medical School Name
UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Secondary Phone
5087525880
Graduation Year
1981 (45 years ago)
PAC ID
2163479676
Group Practice PAC ID
4183665615
Professional Enrollment ID
I20050406001123
Address ID
MA016022143WO338XXSTXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness75
Years active:19State licenses:2Digital endpointsOther names

1,743 PSYCHIATRY in MA

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Provider Addresses for DR. ZAMIR NESTELBAUM (MD)

  • 338, Highland Street, Hammond Heights, Worcester, Worcester County, Massachusetts, 01612, United States

    WORCESTER, MA 016022143

    Phone: (508) 752-5880

    Fax: (508) 831-9967

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-04-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050406001123IPsychiatryMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes13338$0
90833Psychotherapy with evaluation and management visit, 30 minutes11936$0
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes7430$0
View full utilization report →

Insurance plans in this area (ZIP 01602)

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Provider's Procedures

DR. ZAMIR NESTELBAUM (MD) performs procedures in PSYCHIATRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PSYCHIATRYMA90833Psychotherapy, 30 minutes with patient and/or family member12239

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4183665615View full group profile
NameSpecialtyState
-MA
-MA
Clinical Social WorkerMA
P S Y C H I A T R YMA

Reviews

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Frequently asked questions

What is the registry number for DR. ZAMIR NESTELBAUM (MD)?
The registry entry for DR. ZAMIR NESTELBAUM (MD) shows NPI 1518971399.
Should I treat DR. ZAMIR NESTELBAUM (MD) as an active provider?
Patients and plans typically see DR. ZAMIR NESTELBAUM (MD) as active in the national extract.
What does the directory say DR. ZAMIR NESTELBAUM (MD) does?
Insurance directories may phrase it differently, but here DR. ZAMIR NESTELBAUM (MD) maps to Psychiatry Physician. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. ZAMIR NESTELBAUM (MD)?
DR. ZAMIR NESTELBAUM (MD) is associated with Worcester, Massachusetts in the same public data insurers reference.
Who maintains DR. ZAMIR NESTELBAUM (MD)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.