What is Christopher Mastino's NPI number?

Christopher Mastino's National Provider Identifier (NPI) is 1740230358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Christopher Mastino's specialty?

Christopher Mastino is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Christopher Mastino located?

Christopher Mastino's practice location on file with NPPES is 314 Riverside Drive, Fairfield, CT 06824.

What is Christopher Mastino's phone number?

The practice phone number listed in the NPPES registry for Christopher Mastino is (203) 685-6326.

Does Christopher Mastino accept Medicare?

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

Is Christopher Mastino's NPI active?

Yes — Christopher Mastino's NPI (1740230358) is active in the NPPES registry as of the last update on 2018-08-06.

IndividualActiveAccepts Medicare

Christopher Mastino, M.D.

NPI 1740230358 · Specialist · Fairfield, CT

Christopher Mastino, M.D. is a Specialist provider in Fairfield, CT (NPI 1740230358).

Provider details

NPI number: 1740230358
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 037809 (CT)

Practice location

314 Riverside Drive

Fairfield, CT 06824

Phone: (203) 685-6326

Fax: (203) 580-3366

Street-level locationGet directions

More CT providers

Mailing address

314 Riverside Drive

Fairfield, CT 06824

Specialties & taxonomies

SpecialistPrimary174400000XLicense 037809 (CT)
Other Service Providers
Physical Medicine & Rehabilitation Physician208100000XLicense 037809 (CT)
Allopathic & Osteopathic Physicians

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

Profile Score

Established profile(67/100 index)

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

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
313 Medicare services, 2024 (ranked within specialty)

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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	313	$95

Typical Medicare-allowed amounts for these services range $95–$95 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Oxycodone Hcl	332	29
Oxycodone Hclbrand: Oxycontin	102	—
Diazepam	96	—
Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen	83	—
Morphine Sulfatebrand: Morphine Sulfate Er	66	—
Alprazolam	65	—

Enumerated: 2006-05-12
Last updated: 2018-08-06

Frequently asked questions

What is Christopher Mastino's NPI number?: Christopher Mastino's National Provider Identifier (NPI) is 1740230358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Christopher Mastino's specialty?: Christopher Mastino is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
Where is Christopher Mastino located?: Christopher Mastino's practice location on file with NPPES is 314 Riverside Drive, Fairfield, CT 06824.
What is Christopher Mastino's phone number?: The practice phone number listed in the NPPES registry for Christopher Mastino is (203) 685-6326.
Does Christopher Mastino accept Medicare?: Christopher Mastino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Christopher Mastino's NPI active?: Yes — Christopher Mastino's NPI (1740230358) is active in the NPPES registry as of the last update on 2018-08-06.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)