What is Arnold Falchook's NPI number?

Arnold Falchook's National Provider Identifier (NPI) is 1265420848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Arnold Falchook's specialty?

Arnold Falchook is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).

Where is Arnold Falchook located?

Arnold Falchook's practice location on file with NPPES is 1050 Nw 15th St, Boca Raton, FL 33486-1375.

What is Arnold Falchook's phone number?

The practice phone number listed in the NPPES registry for Arnold Falchook is (561) 362-1166.

Does Arnold Falchook accept Medicare?

Arnold Falchook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Arnold Falchook's NPI active?

Yes — Arnold Falchook's NPI (1265420848) is active in the NPPES registry as of the last update on 2016-03-09.

IndividualActiveAccepts Medicare

Arnold Falchook, M.D.

NPI 1265420848 · Rheumatology Physician · Boca Raton, FL

Arnold Falchook, M.D. is a Rheumatology Physician provider in Boca Raton, FL (NPI 1265420848).

Provider details

NPI number: 1265420848
Entity type: Individual
Primary specialty: Rheumatology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: ME 41840 (FL)

Practice location

1050 Nw 15th St

Suite 106a

Boca Raton, FL 33486-1375

Phone: (561) 362-1166

Fax: (561) 362-1177

Street-level locationGet directions

More FL providers

Mailing address

1050 Nw 15th St

Boca Raton, FL 33486-1375

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense ME 41840 (FL)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(94/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
21 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
5,072 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	1,617	$129
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	1,257	$17
Insertion of Needle Into Vein for Collection of Blood Sample36415	813	$9
Injection of Drug Or Substance Under Skin Or Into Muscle96372	560	$14
Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651	275	$4
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Alendronate Sodium	273	84
Prednisone	90	41
Allopurinol	85	20
Atorvastatin Calcium	84	24
Hydroxychloroquine Sulfate	80	21
Methotrexate Sodiumbrand: Methotrexate	78	22
Tramadol Hcl	67

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$22 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2005-10-08
Last updated: 2016-03-09

Frequently asked questions

What is Arnold Falchook's NPI number?: Arnold Falchook's National Provider Identifier (NPI) is 1265420848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Arnold Falchook's specialty?: Arnold Falchook is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
Where is Arnold Falchook located?: Arnold Falchook's practice location on file with NPPES is 1050 Nw 15th St, Boca Raton, FL 33486-1375.
What is Arnold Falchook's phone number?: The practice phone number listed in the NPPES registry for Arnold Falchook is (561) 362-1166.
Does Arnold Falchook accept Medicare?: Arnold Falchook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Arnold Falchook's NPI active?: Yes — Arnold Falchook's NPI (1265420848) is active in the NPPES registry as of the last update on 2016-03-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	1,617	$129
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	1,257	$17
Insertion of Needle Into Vein for Collection of Blood Sample36415	813	$9
Injection of Drug Or Substance Under Skin Or Into Muscle96372	560	$14
Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651	275	$4
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More

Drug

Part D claims (2024)

Beneficiaries

Alendronate Sodium

273

Prednisone

Allopurinol

Atorvastatin Calcium

Hydroxychloroquine Sulfate

Methotrexate Sodiumbrand: Methotrexate

Tramadol Hcl

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$22 across 1 record (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments