What is Ana Ciszek's NPI number?

Ana Ciszek's National Provider Identifier (NPI) is 1083979942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ana Ciszek's specialty?

Ana Ciszek is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ana Ciszek located?

Ana Ciszek's practice location on file with NPPES is 1287 US Highway 41 Byp S, Venice, FL 34285-5545.

What is Ana Ciszek's phone number?

The practice phone number listed in the NPPES registry for Ana Ciszek is (941) 202-0500.

Does Ana Ciszek accept Medicare?

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

Is Ana Ciszek's NPI active?

Yes — Ana Ciszek's NPI (1083979942) is active in the NPPES registry as of the last update on 2020-08-25.

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Ana Ciszek, M.D.

NPI 1083979942 · Internal Medicine Physician · Venice, FL

Ana Ciszek, M.D. is a Internal Medicine Physician provider in Venice, FL (NPI 1083979942).

Provider details

NPI number: 1083979942
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: No
License: 45787 (AZ)

Practice location

1287 US Highway 41 Byp S

Venice, FL 34285-5545

Phone: (941) 202-0500

Fax: (941) 202-0501

Street-level locationGet directions

More FL providers

Mailing address

2675 Winkler Ave Fl 2

Fort Myers, FL 33901-9342

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense ME136155 (FL)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 45787 (AZ)
Allopathic & Osteopathic Physicians

Additional practice locations (2)

9139 W Thunderbird Rd Ste 265
Peoria, AZ 85381-4922
Phone: (623) 777-4567
14420 W Meeker Blvd
Suite 201
Sun City, AZ 85375-5286
Phone: (623) 777-4567
Fax: (623) 777-4497

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

Profile Score

Detailed profile(93/100 index)

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

Registry tenure25% of score
14 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
7,302 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	935	$124
Insertion of Needle Into Vein for Collection of Blood Sample36415	700	$9
Blood Test, Comprehensive Group of Blood Chemicals80053	525	$10
Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025	508	$8
Blood Test, Lipids (cholesterol and Triglycerides)80061	459	$13
Advance Care Planning, First 30 Minutes99497	435	$80

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 132 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	651	193
Levothyroxine Sodium	553	159
Rosuvastatin Calcium	457	153
Amlodipine Besylate	364	123
Lisinopril	358	108
Losartan Potassium	332	111
Omeprazole

Transparency — industry payments

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

$501 across 23 records (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: 2012-07-06
Last updated: 2020-08-25
Certified: 2020-08-25

Frequently asked questions

What is Ana Ciszek's NPI number?: Ana Ciszek's National Provider Identifier (NPI) is 1083979942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ana Ciszek's specialty?: Ana Ciszek is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Ana Ciszek located?: Ana Ciszek's practice location on file with NPPES is 1287 US Highway 41 Byp S, Venice, FL 34285-5545.
What is Ana Ciszek's phone number?: The practice phone number listed in the NPPES registry for Ana Ciszek is (941) 202-0500.
Does Ana Ciszek accept Medicare?: Ana Ciszek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Ana Ciszek's NPI active?: Yes — Ana Ciszek's NPI (1083979942) is active in the NPPES registry as of the last update on 2020-08-25.

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	935	$124
Insertion of Needle Into Vein for Collection of Blood Sample36415	700	$9
Blood Test, Comprehensive Group of Blood Chemicals80053	525	$10
Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025	508	$8
Blood Test, Lipids (cholesterol and Triglycerides)80061	459	$13
Advance Care Planning, First 30 Minutes99497	435	$80

Drug

Part D claims (2024)

Beneficiaries

Atorvastatin Calcium

651

193

Levothyroxine Sodium

553

159

Rosuvastatin Calcium

457

153

Amlodipine Besylate

364

123

Lisinopril

358

108

Losartan Potassium

332

111

Omeprazole

Transparency — industry payments

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

$501 across 23 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (2)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments