Nicholas Tzikas, M.D.
NPI 1174880538 · Family Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Tzikas, M.D. is a Family Medicine Physician provider in New Haven, CT (NPI 1174880538).
Provider details
- NPI number
- 1174880538
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 62267 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
267 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 .
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) |
|---|---|---|
| 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 | 102 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $133 |
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 | 42 | $164 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $178 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 11 | $230 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ubrogepantbrand: Ubrelvy | 151 | 38 |
| Rimegepant Sulfatebrand: Nurtec Odt | 128 | 37 |
| Atogepantbrand: Qulipta | 104 | 24 |
| Erenumab-Aooebrand: Aimovig Autoinjector | 89 | — |
| Galcanezumab-Gnlmbrand: Emgality Pen | 88 | 16 |
| Topiramate | 49 | 15 |
| Naratriptan Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13,375 across 53 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-23
- Last updated
- 2019-01-28
Frequently asked questions
- What is Nicholas Tzikas's NPI number?
- Nicholas Tzikas's National Provider Identifier (NPI) is 1174880538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Tzikas's specialty?
- Nicholas Tzikas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Tzikas located?
- Nicholas Tzikas's practice location on file with NPPES is 800 Howard Ave, New Haven, CT 06519-1369.
- What is Nicholas Tzikas's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Tzikas is (203) 688-4242.
- Does Nicholas Tzikas accept Medicare?
- Nicholas Tzikas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Tzikas's NPI active?
- Yes — Nicholas Tzikas's NPI (1174880538) is active in the NPPES registry as of the last update on 2019-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.