Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM LLERENA THELMO M.D.
NPI 1992762702
Pathology - Cytopathology in Brooklyn, NY

Q: What is William Thelmo's NPI number?

The NPI number for William Thelmo is 1992762702. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is William Thelmo's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Cytopathology, with taxonomy code 207ZC0500X.

Q: When was this NPI record last updated?

The NPPES record for William Thelmo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.

Active since April 26, 2006

374 STOCKHOLM ST, C/O FACULTY PRACTICE, BROOKLYN, NY 11237(718) 963-6551(718) 963-6793 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Dr. William Llerena Thelmo M.d. NPPES

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

DR. WILLIAM LLERENA THELMO M.D. (NPI 1992762702) is an individual cytopathology provider in Brooklyn, New York, licensed in New York (116828) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1992762702

Entity TypeIndividualMale

Primary Taxonomy207ZC0500X

Provider Legal NameDR. WILLIAM LLERENA THELMOCredential: M.D.

Location Address374 STOCKHOLM ST, C/O FACULTY PRACTICEBrooklyn, NY 11237-4006

Mailing Address374 Stockholm St, C/o Faculty PracticeBrooklyn, NY 11237-4006 · (718) 963-6551 · Fax (718) 963-6793

Phone(718) 963-6551

Fax(718) 963-6793

Sole ProprietorNo

Enumeration DateApril 26, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1992762702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · CytopathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZC0500X

License✔ Licensed in NY · 116828

Definition

A cytopathologist is an anatomic pathologist trained in the diagnosis of human disease by means of the study of cells obtained from body secretions and fluids, by scraping, washing, or sponging the surface of a lesion, or by the aspiration of a tumor mass or body organ with a fine needle. A major aspect of a cytopathologist's practice is the interpretation of Papanicolaou-stained smears of cells from the female reproductive systems, the Pap test. However, the cytopathologist's expertise is applied to the diagnosis of cells from all systems and areas of the body. He/she is a consultant to all medical specialists.

Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 116828 (NY)

374 STOCKHOLM ST, Brooklyn, NY 11237

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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.

GABY DABOUL M.D

General Acute Care Hospital

374 STOCKHOLM ST
BROOKLYN, NY 11237

Kings County (718) 963-7272

AMIT DHALIWAL MD

Internal Medicine (Infectious Disease)

374 STOCKHOLM ST
BROOKLYN, NY 11237

Kings County (718) 963-7272

SAMER ATTIA MD

Internal Medicine

374 STOCKHOLM ST
BROOKLYN, NY 11237

Kings County (718) 963-6466

TECIA MADURIE RN

Registered Nurse

374 STOCKHOLM ST
BROOKLYN, NY 11237

Kings County (718) 501-1983

DR. FARIDEH ZONOUZI-ZADEH M.D.

Family Medicine

374 STOCKHOLM ST, C/O FACULTY PRACTICE
BROOKLYN, NY 11237

Kings County (718) 963-6551

DR. BALA KRISHNA BABJI RAVI M.D.

Obstetrics & Gynecology

374 STOCKHOLM ST, C/O FACULTY PRACTICE
BROOKLYN, NY 11237

Kings County (718) 963-6551

DIANE CHRIST P.A.

Physician Assistant

374 STOCKHOLM ST, C/O FACULTY PRACTICE MANAGEMENT SUITE I-37 NORTH
BROOKLYN, NY 11237

Kings County (718) 963-6551

MRS. BHAKTI SHAH RPA-C

Physician Assistant

374 STOCKHOLM ST, C/O FACULTY PRACTICE MANAGEMENT-SUITE I37N
BROOKLYN, NY 11237

Kings County (914) 654-6543

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 William Thelmo's NPI number?

The NPI number for William Thelmo is 1992762702. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is William Thelmo located?

William Thelmo practices at 374 Stockholm St C/O Faculty Practice, Brooklyn, NY 11237. The listed phone number is (718) 963-6551.

What is William Thelmo's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Cytopathology, with taxonomy code 207ZC0500X.

When was this NPI record last updated?

The NPPES record for William Thelmo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.