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NICHOLAS TZIKAS M.D.
NPI 1174880538
Family Medicine in New Haven, CT

Active since April 23, 2012PECOS EnrolledAccepts Medicare Assignment
73.56/100
CMS Quality Rating
800 HOWARD AVE, NEW HAVEN, CT 06519(203) 688-4242 Get Directions Write a Review

NPPES record last updated: January 28, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 28, 2019, Jun 26, 2017 (2 updates tracked since 2017).

About Nicholas Tzikas M.d. NPPES

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

NICHOLAS TZIKAS M.D. (NPI 1174880538) is an individual family medicine provider in New Haven, Connecticut, licensed in Connecticut (62267) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1174880538
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameNICHOLAS TZIKASCredential: M.D.
Location Address800 HOWARD AVENew Haven, CT 06519-1369
Mailing Address800 Howard AveNew Haven, CT 06519-1369 · (203) 688-4242
Phone(203) 688-4242
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 23, 2012
Last NPPES UpdateJanuary 28, 20192 updates tracked since enumeration
✔ NPI 1174880538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CT · 62267
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedSurgeryTaxonomy 208600000X · License 18287 (NH)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
800 HOWARD AVE, New Haven, CT 06519
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

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

Nicholas Tzikas 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 ID9234401381
PECOS Enrollment IDI20190218000962
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 Nicholas Tzikas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
0.4 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432
Jeffrey Farkas MD LLC
50 mi
Vascular & Interventional Radiology
2200 NORTHERN BLVD, SUITE 207
East Hills, NY 11548
  • Reassigned Medicare billing, New York enrollment
  • 14 clinicians in this Medicare group
NPI 1114267929 (516) 466-1029

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.

Injection, onabotulinumtoxina, 1 unit J0585
Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.
8,000 services16 patients
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.
95 services61 patients
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615
This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.
42 services17 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.
17 services17 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

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.

MS. PAULA M. TORTORICI-SCHEFF FNP
Nurse Practitioner (Family)
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-4242
GERARD ANDREW BETRO MD
Surgery
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2140
ALEXA BLOOD APRN
Nurse Practitioner
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2565
MICHAEL DIGIOVANNA MD
Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING - 2ND FLOOR
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-4191
HELENA TERESA CHMIELOWICZ APRN
Clinical Nurse Specialist (Gerontology)
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2140
DR. MARC LEWIS ROSEN MD
Physical Medicine & Rehabilitation
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2579
MICHELE ANNE GOYETTE -EWING PHD
Psychologist (Clinical Child & Adolescent)
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2140
UZMA USMAN MD
Psychiatry & Neurology (Neuromuscular Medicine)
800 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (999) 999-9999

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 Nicholas Tzikas's NPI number?

The NPI number for Nicholas Tzikas is 1174880538. It was assigned to this individual provider in the NPPES registry on April 23, 2012.

Where is Nicholas Tzikas located?

Nicholas Tzikas practices at 800 Howard Ave, New Haven, CT 06519. The listed phone number is (203) 688-4242.

What is Nicholas Tzikas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Nicholas Tzikas enrolled in Medicare?

Yes. Nicholas Tzikas 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 Nicholas Tzikas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Tzikas reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Jeffrey Farkas MD LLC (East Hills, 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 Nicholas Tzikas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Tzikas accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Nicholas Tzikas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nicholas Tzikas was last updated on January 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.