JOHN JAMES DAGIANIS M.D.
NPI 1972508026
Ophthalmology in Nashua, NH

Q: What is John Dagianis's NPI number?

The NPI number for John Dagianis is 1972508026. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Q: What is John Dagianis's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for John Dagianis was last updated on August 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment

95.31/100

CMS Quality Rating

5 COLISEUM AVE, NASHUA, NH 03063(603) 882-9800(603) 882-0556 Get Directions Write a Review

NPPES record last updated: August 11, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 11, 2022, Apr 13, 2017 (2 updates tracked since 2017).

On this page

About John James Dagianis M.d. NPPES

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

JOHN JAMES DAGIANIS M.D. (NPI 1972508026) is an individual ophthalmology provider in Nashua, New Hampshire, licensed in New Hampshire (6192) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (1976).

NPPES Registry Identity

NPI1972508026

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameJOHN JAMES DAGIANISCredential: M.D.

Location Address5 COLISEUM AVENashua, NH 03063-3292

Mailing Address5 Coliseum AveNashua, NH 03063-3292 · (603) 882-9800 · Fax (603) 882-0556

Phone(603) 882-9800

Fax(603) 882-0556

Sole ProprietorNo

Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1976

Enumeration DateJune 16, 2005

Last NPPES UpdateAugust 11, 20222 updates tracked since enumeration

NPPES CertifiedAugust 11, 2022

✔ NPI 1972508026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Licenses✔ Licensed in NH · 6192✔ Licensed in MA · 57317

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedOphthalmology · Glaucoma SpecialistTaxonomy 207WX0009X · License 6192 (NH), 57317 (MA)

5 COLISEUM AVE, Nashua, NH 03063

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Other Identifiers 1

Medicaid81180574NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John James Dagianis 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 ID4880587476

PECOS Enrollment IDI20080611000138

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.

Areas of Expertise CMS Part B claims 20

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

856 services465 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

542 services538 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

425 services412 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

341 services267 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

239 services227 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

234 services231 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

188 services143 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

116 services51 patients

Analysis of substance using immunoassay technique, multiple step method 83516

This procedure involves the use of an immunoassay, a highly sensitive technique, to detect and measure substances in your body. It involves multiple steps and is commonly used in diagnosing and monitoring various health conditions.

114 services50 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.

105 services98 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

68 services52 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

58 services45 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

56 services56 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

53 services47 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

49 services38 patients

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

47 services47 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

36 services29 patients

Laser repair to improve eye fluid flow 65855

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

28 services19 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

13 services12 patients

Measurement of eye artery pressure 92260

Measurement of eye artery pressure, also known as ocular blood flow, helps assess the amount of blood reaching your eyes. It's crucial for maintaining healthy eyesight. A special device gently touches your eye to measure the pressure. It's a painless, quick procedure.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03063 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

Established Patient

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

Most-billed visit code 99213

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.

95.31/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Cost

84.37

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Frames, purchases V2020

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier19 claims19 services$52.93 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

HENRY AGUSTIN LOPEZ O.D.

Optometrist

5 COLISEUM AVE
NASHUA, NH 03063

Hillsborough County (603) 882-9800

NICOLE M LACHAPELLE FURNESS

Registered Nurse (Critical Care Medicine)

5 COLISEUM AVE
NASHUA, NH 03063

Hillsborough County (603) 689-9240

DR. YAIR DROR MELAMED M.D.

Internal Medicine

5 COLISEUM AVE, SUITE 306-307
NASHUA, NH 03063

Hillsborough County (603) 577-9090

MICHELLE BROGAN

Technician, Other

5 COLISEUM AVE
NASHUA, NH 03063

Hillsborough County (603) 882-9800

FLORENCE ELIZABETH JACKLIN RN

Nurse Practitioner (Adult Health)

5 COLISEUM AVE, STE 307
NASHUA, NH 03063

Hillsborough County (781) 706-0594

NOVAMED SURGERY CENTER OF NASHUA, LLC

Nurse Anesthetist, Certified Registered

5 COLISEUM AVE
NASHUA, NH 03063

Hillsborough County (603) 882-9800

DR. DINA KUCH-PIERCE O.D.

Optometrist

5 COLISEUM AVE
NASHUA, NH 03063

Hillsborough County (603) 882-9800

LEVITT MEDICAL, P.A.

Dermatology

5 COLISEUM AVE
NASHUA, NH 03063

Hillsborough County (603) 880-4823

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 John Dagianis's NPI number?

The NPI number for John Dagianis is 1972508026. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is John Dagianis located?

John Dagianis practices at 5 Coliseum Ave, Nashua, NH 03063. The listed phone number is (603) 882-9800.

What is John Dagianis's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is John Dagianis enrolled in Medicare?

Yes. John Dagianis 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.

What insurance does John Dagianis accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 3 other insurers list John Dagianis 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 John Dagianis was last updated on August 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.