MARIA MCPHERSON M.D.
NPI 1659374809
Specialist in Hudson, NY

Q: What is Maria Mcpherson's NPI number?

The NPI number for Maria Mcpherson is 1659374809. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Q: What is Maria Mcpherson's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Mcpherson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 May 23, 2005PECOS EnrolledAccepts Medicare Assignment

55.82/100

CMS Quality Rating

820 UNION ST, HUDSON, NY 12534(518) 828-3391(518) 828-6734 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Maria Mcpherson M.d. NPPES

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

MARIA MCPHERSON M.D. (NPI 1659374809) is an individual specialist in Hudson, New York, licensed in New York (222183) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with Columbia Memorial Hospital, and is a graduate of State University Of Ny Upstate Medical University (2000).

NPPES Registry Identity

NPI1659374809

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameMARIA MCPHERSONCredential: M.D.

Location Address820 UNION STHudson, NY 12534-3004

Mailing Address16 Tee LnRed Hook, NY 12571-2445 · (518) 828-3391 · Fax (518) 828-6734

Phone(518) 828-3391

Fax(518) 828-6734

Sole ProprietorNo

Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2000

Enumeration DateMay 23, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1659374809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 222183

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

820 UNION ST, Hudson, NY 12534

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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

Maria Mcpherson 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 ID5799775987

PECOS Enrollment IDI20040518000828

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 Reassignment

Medicare enrollment records show Maria Mcpherson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maria Mcpherson MD Jonathan Freilich MD David Freilich MD PLLC

Same address

Ophthalmology

820 UNION ST
Hudson, NY 12534

Reassigned Medicare billing, New York enrollment
6 clinicians in this Medicare group

NPI 1649743170 (518) 828-3391

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 17

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.

614 services377 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.

612 services463 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.

565 services511 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.

277 services269 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).

275 services250 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

211 services75 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.

192 services173 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.

140 services90 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.

112 services70 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.

60 services48 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

53 services53 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

35 services35 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.

25 services25 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.

23 services22 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.

20 services14 patients

Removal of eyelashes using forceps 67820

The removal of eyelashes using forceps is a simple procedure where a medical professional gently extracts unwanted or problematic eyelashes with a specialized tool. This is often done to alleviate discomfort or to treat conditions like trichiasis, where eyelashes grow inward.

20 services13 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

14 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Columbia Memorial Hospital

Acute Care Hospitals · Hudson, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330094

Location71 Prospect AvenueHudson, NY 12534 · Columbia County

Emergency services

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.

55.82/100

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

Individually scored

Quality

41.66

Improvement Activities

Cost

30.52

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HUDSON VALLEY OPHTHALMOLOGY PLLC

Ophthalmology

820 UNION ST
HUDSON, NY 12534

Columbia County (518) 828-3391

MARIA MCPHERSON MD JONATHAN FREILICH MD DAVID FREILICH MD PLLC

Ophthalmology

820 UNION ST
HUDSON, NY 12534

Columbia County (518) 828-3391

DR. AKBAR A JAMALL MD

Ophthalmology

820 UNION ST
HUDSON, NY 12534

Columbia County (518) 828-3391

CARRIE WRIGHT MD

Ophthalmology

820 UNION ST
HUDSON, NY 12534

Columbia County (518) 828-3391

SANFORD ULLMAN M.D.

Specialist

820 UNION ST
HUDSON, NY 12534

Columbia County (518) 828-3391

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 Maria Mcpherson's NPI number?

The NPI number for Maria Mcpherson is 1659374809. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Maria Mcpherson located?

Maria Mcpherson practices at 820 Union St, Hudson, NY 12534. The listed phone number is (518) 828-3391.

What is Maria Mcpherson's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Maria Mcpherson enrolled in Medicare?

Yes. Maria Mcpherson 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 organization bills Medicare for Maria Mcpherson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Mcpherson reassigns Medicare benefits to Maria Mcpherson MD Jonathan Freilich MD David Freilich MD PLLC (Hudson, NY). The 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 Maria Mcpherson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Mcpherson affiliated with any hospitals?

According to CMS data, Maria Mcpherson is affiliated with Columbia Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Maria Mcpherson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.