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DR. JUAN ANTONIO ANTONIO DE GUZMAN M.D.
NPI 1457357535
Anesthesiology in New York, NY

Active since June 23, 2005PECOS EnrolledAccepts Medicare Assignment
100 E. 77TH STREET, LENOX HILL HOSPITAL, DEPARTMENT OF ANESTHESIOLOGY, NEW YORK, NY 10075(212) 434-2878 Get Directions Write a Review

NPPES record last updated: October 2, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 2, 2020, Jul 30, 2018 (2 updates tracked since 2018).

About Dr. Juan Antonio Antonio De Guzman M.d. NPPES

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

DR. JUAN ANTONIO ANTONIO DE GUZMAN M.D. (NPI 1457357535) is an individual anesthesiology provider in New York, New York, licensed in New York (179611) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1457357535
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JUAN ANTONIO ANTONIO DE GUZMANCredential: M.D.
Location Address100 E. 77TH STREET, LENOX HILL HOSPITAL, DEPARTMENT OF ANESTHESIOLOGYNew York, NY 10075
Mailing Address117 E. 57th Street, Apt. 29cd.New York, NY 10022 · (917) 887-0140
Phone(212) 434-2878
Sole ProprietorYes
Medical School CMSOtherGraduated 1981
Enumeration DateJune 23, 2005
Last NPPES UpdateOctober 2, 20202 updates tracked since enumeration
NPPES CertifiedOctober 2, 2020
✔ NPI 1457357535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in NY · 179611✔ Licensed in NY · 179611-1
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedPediatricsTaxonomy 208000000X · License 179611 (NY)
100 E. 77TH STREET, New York, NY 10075
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Other Names 1

Professional Name (2)Juan Antonio Manzanilla De Guzman M.d.

Other Identifiers 1

Medicaid01814002NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Juan Antonio Antonio De Guzman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587838461
PECOS Enrollment IDI20111111000415
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 Juan Antonio De Guzman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physicians Of University Hospital, PC
Same address
Anesthesiology
100 E 77TH ST
New York, NY 10075
  • Reassigned Medicare billing, New York enrollment
  • 530 clinicians in this Medicare group
NPI 1992200075 (212) 434-2878
North Shore - Lij Anesthesiology, PC
30 mi
Anesthesiology
480 BEDFORD RD BLDG B
Chappaqua, NY 10514
  • Reassigned Medicare billing, New York enrollment
  • 1,406 clinicians in this Medicare group
NPI 1417401266 (914) 666-8866

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

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
18 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lenox Hill Hospital

Acute Care Hospitals · New York, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330119
Location100 East 77th StreetNew York, NY 10021 · New York County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 2

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

DR. ZI HUANG M.D.
Emergency Medicine
100 E. 77TH STREET
NEW YORK, NY 10075
New York County (212) 434-3042
JACQUELINE TARSITANO
Student in an Organized Health Care Education/Training Program
100 E. 77TH STREET, 4 WOLLMAN RM 453
NEW YORK, NY 10075
New York County (212) 434-6135

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 Juan Antonio De Guzman's NPI number?

The NPI number for Juan Antonio De Guzman is 1457357535. It was assigned to this individual provider in the NPPES registry on June 23, 2005. The provider is also known as Juan Antonio Manzanilla De Guzman M.D..

Where is Juan Antonio De Guzman located?

Juan Antonio De Guzman practices at 100 E. 77th Street Lenox Hill Hospital, Department Of Anesthesiology, New York, NY 10075. The listed phone number is (212) 434-2878.

What is Juan Antonio De Guzman's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Juan Antonio De Guzman enrolled in Medicare?

Yes. Juan Antonio De Guzman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Juan Antonio De Guzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juan Antonio De Guzman reassigns Medicare benefits to 2 organizations: Physicians Of University Hospital, PC (New York, NY) and North Shore - Lij Anesthesiology, PC (Chappaqua, 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 Juan Antonio De Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Juan Antonio De Guzman affiliated with any hospitals?

According to CMS data, Juan Antonio De Guzman is affiliated with Lenox Hill Hospital.

When was this NPI record last updated?

The NPPES record for Juan Antonio De Guzman was last updated on October 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.