1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Ophthalmology
  6. NPI Profile

DR. MARK GEORGE SPEAKER M.D.
NPI 1598793796
Ophthalmology in New York, NY

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment
8 W 38TH ST RM 1102, NEW YORK, NY 10018(212) 931-5110(212) 832-9739 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 22, 2026, Jul 21, 2022, Dec 8, 2020 and 2 more (5 updates tracked since 2020).

About Dr. Mark George Speaker M.d. NPPES

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

DR. MARK GEORGE SPEAKER M.D. (NPI 1598793796) is an individual ophthalmology provider in New York, New York, licensed in New York (154659) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1982).

NPPES Registry Identity

NPI1598793796
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. MARK GEORGE SPEAKERCredential: M.D.
Location Address8 W 38TH ST RM 1102New York, NY 10018-0145
Mailing Address8 W 38th St Rm 1102New York, NY 10018-0145 · (212) 931-5110 · Fax (212) 832-9739
Phone(212) 931-5110
Fax(212) 832-9739
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1982
Enumeration DateJune 28, 2006
Last NPPES UpdateJanuary 22, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1598793796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in NY · 154659
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.
8 W 38TH ST RM 1102, New York, NY 10018
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Wyoming, Oscar Health and more.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

Dr. Mark George Speaker 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 ID3971599721
PECOS Enrollment IDI20040426000471
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

3

Medicare enrollment records show Mark Speaker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Laser And Corneal Surgery Associates, PC
0.1 mi
Ophthalmology
8 W 38TH ST RM 1102
New York, NY 10018
  • Reassigned Medicare billing, New York enrollment
  • 4 clinicians in this Medicare group
NPI 1477746626 (212) 931-5110
State Of New York Comptrollers Office
0.9 mi
Optometrist
33 WEST 42ND STREET, CLINICAL ADMINISTRATION
New York, NY 10036
  • Reassigned Medicare billing, New York enrollment
  • 216 clinicians in this Medicare group
NPI 1407829856 (212) 938-4030
Icahn School Of Medicine At Mount Sinai
3.2 mi
Ophthalmology
5 E 98TH ST FL 7, BOX 1183
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 155 clinicians in this Medicare group
NPI 1437421252 (212) 241-0939

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 11

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 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.
62 services55 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.
42 services38 patients
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.
35 services23 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.
34 services18 patients
Ct scan of cornea 92025
A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.
32 services31 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.
27 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10018 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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.

Other Providers at the Same Location NPPES

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

LASER AND CORNEAL SURGERY ASSOCIATES, PC
Ophthalmology
8 W 38TH ST RM 1102
NEW YORK, NY 10018
New York County (212) 931-5110

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 Mark Speaker's NPI number?

The NPI number for Mark Speaker is 1598793796. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Mark Speaker located?

Mark Speaker practices at 8 W 38th St Rm 1102, New York, NY 10018. The listed phone number is (212) 931-5110.

What is Mark Speaker's specialty?

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

Is Mark Speaker enrolled in Medicare?

Yes. Mark Speaker 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 Mark Speaker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Speaker reassigns Medicare benefits to 3 organizations: Laser And Corneal Surgery Associates, PC (New York, NY), State Of New York Comptrollers Office (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, 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 Mark Speaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Speaker accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Oscar Health, Oscar Health Insurance and Oscar Health Maintenance Organization of Florida and 5 other insurers list Mark Speaker 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 Mark Speaker was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.