1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Orthopaedic Surgery
  6. NPI Profile

DONALD M KASTENBAUM M.D.
NPI 1023071081
Orthopaedic Surgery in New York, NY

Active since April 10, 2006PECOS Enrolled
10 UNION SQ E, SUITE 3M, NEW YORK, NY 10003(212) 288-2000 Get Directions Write a Review

NPPES record last updated: September 26, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Donald M Kastenbaum M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DONALD M KASTENBAUM M.D. (NPI 1023071081) is an individual orthopaedic surgery provider in New York, New York, licensed in New York (173684) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023071081
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDONALD M KASTENBAUMCredential: M.D.
Location Address10 UNION SQ E, SUITE 3MNew York, NY 10003-3314
Mailing AddressPo Box 95000-2447Philadelphia, PA 19195-2447 · (212) 288-2000
Phone(212) 288-2000
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateSeptember 26, 2012
✔ NPI 1023071081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in NY · 173684
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
10 UNION SQ E, New York, NY 10003
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINA60714NY
Medicare ID-Type Unspecified14E281NY
Medicaid01114438NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Donald M Kastenbaum M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Donald Kastenbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Icahn School Of Medicine At Mount Sinai
Same address
Hematology & Oncology
10 UNION SQUARE EAST
New York, NY 10003
  • Reassigned Medicare billing, New York enrollment
  • 346 clinicians in this Medicare group
NPI 1538538210 (212) 844-8288
Icahn School Of Medicine At Mount Sinai
2.5 mi
Orthopaedic Surgery
1000 10TH AVE
New York, NY 10019
  • Reassigned Medicare billing, New York enrollment
  • 769 clinicians in this Medicare group
NPI 1124550280 (212) 523-7594

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
213 services121 patients
Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
53 services27 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
49 services45 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
19 services19 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANISHA GARG MD
Psychiatry & Neurology (Neuromuscular Medicine)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 420-2000
HOWARD MAKER MD
Psychiatry & Neurology (Neurology)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 844-8888
SUSAN ROTHENBERG MD
Obstetrics & Gynecology
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 420-4236
JANET STEIN MD
Obstetrics & Gynecology
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 420-2577
IRENE M. JANKOWSKI N.P.
Nurse Practitioner (Adult Health)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 256-3539
TOLULOPE FALANA NP
Nurse Practitioner (Family)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 844-6025
RICHARD MIZUGUCHI MD
Dermatology
10 UNION SQ E, SUITE 3C
NEW YORK, NY 10003
New York County (212) 523-5898
BARBARA CHEUNG MD
Internal Medicine
10 UNION SQ E, 2M
NEW YORK, NY 10003
New York County (212) 844-6888

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Kastenbaum's NPI number?

The NPI number for Donald Kastenbaum is 1023071081. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Donald Kastenbaum located?

Donald Kastenbaum practices at 10 Union Sq E Suite 3M, New York, NY 10003. The listed phone number is (212) 288-2000.

What is Donald Kastenbaum's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Donald Kastenbaum enrolled in Medicare?

Yes. Donald Kastenbaum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Donald Kastenbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Kastenbaum reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Donald Kastenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Donald Kastenbaum was last updated on September 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.