Deactivated NPI 1679599450 Deactivated / Inactive NPI Male Practitioner

Dr. Tai-Hung Matthew Mak , MD

Ophthalmology • Ashtabula, OH

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Tai-Hung Mak has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 14, 2006

NPI Deactivation Date December 12, 2024

Total Practice Duration ~18 Years of Practice (2006 – 2024)

Professional Overview & Biography Verified Profile Summary

Dr. Tai-Hung Mak, MD was a registered Ophthalmology practicing in Ashtabula, OH. Throughout an active medical career spanning 18 years, Dr. Mak provided care at the practice location at 2728 LAKE AVE until profile deactivation on 2024-12-12.

Historical Medicare Part B clinical services included established patient outpatient office visit, imaging of optic nerve, exam of visual field with extended testing. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

2728 Lake Ave

Ashtabula, OH 440044960

Telephone 4409927788

Fax 4409920388

Associated Practice Facility / Clinic

🏢 T Matthew Mak Md Inc Facility NPI 1518105345

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Ashtabula, OH

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 22.0 Yrs

State Avg: 27.9 Yrs

Regional Practice Density

3 Specialists

Practicing in Ashtabula, OH (803 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

43.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	144	107	$135.00	$87.36
92133 Imaging of optic nerve	79	76	$65.00	$35.05
92083 Exam of visual field with extended testing	46	45	$120.00	$58.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	40	$190.00	$123.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	21	$85.00	$54.44
92134 Imaging of retina	14	13	$65.00	$38.61
92250 Photography of the retina	14	14	$105.00	$35.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	309	245	$140.29	$124.15
99213 Established patient office or other outpatient visit, typically 15 minutes	163	127	$119.05	$87.01
92083 Exam of visual field with extended testing	154	153	$102.14	$59.31
92133 Imaging of optic nerve	104	100	$85.77	$29.98
92014 Established patient complete exam of visual system	86	83	$143.66	$120.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	75	59	$77.60	$54.63
65855 Laser repair to improve eye fluid flow	42	30	$602.02	$234.62
92134 Imaging of retina	35	33	$101.00	$29.83
66821 Removal of recurring cataract in lens capsule using a laser	19	18	$600.00	$293.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	384	299	$141.80	$126.56
92083 Exam of visual field with extended testing	223	222	$100.20	$59.93
99213 Established patient office or other outpatient visit, typically 15 minutes	182	144	$106.59	$86.98
92133 Imaging of optic nerve	145	145	$130.79	$34.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	120	84	$72.53	$54.45
92014 Established patient complete exam of visual system	101	99	$144.39	$121.96
65855 Laser repair to improve eye fluid flow	79	57	$800.00	$239.23
92134 Imaging of retina	38	38	$117.50	$29.43
92004 New patient complete exam of visual system	26	26	$152.69	$145.12
66821 Removal of recurring cataract in lens capsule using a laser	18	17	$600.00	$299.63
92012 Established patient problem focused exam of visual system	16	16	$110.31	$83.04
92250 Photography of the retina	12	12	$95.25	$37.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	397	302	$126.02	$103.71
92083 Exam of visual field with extended testing	185	183	$88.10	$51.84
99213 Established patient office or other outpatient visit, typically 15 minutes	165	140	$83.94	$71.31
92133 Imaging of optic nerve	160	158	$160.68	$29.79
92014 Established patient complete exam of visual system	92	91	$139.92	$117.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	78	58	$68.56	$42.67
65855 Laser repair to improve eye fluid flow	54	41	$800.00	$231.06
92134 Imaging of retina	44	44	$164.91	$26.23
66984 Removal of cataract with insertion of lens	34	25	$1480.00	$515.13
92004 New patient complete exam of visual system	31	31	$150.87	$141.38
66821 Removal of recurring cataract in lens capsule using a laser	27	25	$600.00	$290.02
92012 Established patient problem focused exam of visual system	21	21	$82.14	$79.02
65855 Laser repair to improve eye fluid flow	16	11	$617.00	$206.27
76519 Ultrasound of eye for determination of lens power	14	14	$175.00	$61.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	462	355	$126.47	$103.04
99213 Established patient office or other outpatient visit, typically 15 minutes	300	235	$84.37	$69.68
92133 Imaging of optic nerve	300	295	$190.92	$31.38
92083 Exam of visual field with extended testing	221	218	$87.40	$52.07
92014 Established patient complete exam of visual system	162	156	$137.71	$119.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	155	107	$68.46	$41.88
92134 Imaging of retina	71	71	$205.83	$35.42
65855 Laser repair to improve eye fluid flow	64	46	$800.00	$230.68
66984 Removal of cataract with insertion of lens	44	32	$1621.09	$599.67
92004 New patient complete exam of visual system	38	38	$150.71	$140.86
66821 Removal of recurring cataract in lens capsule using a laser	33	29	$636.36	$290.10
76519 Ultrasound of eye for determination of lens power	31	31	$175.00	$60.72
92012 Established patient problem focused exam of visual system	23	22	$76.30	$72.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$130.00	$100.49
92250 Photography of the retina	11	11	$95.00	$48.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	455	374	$127.32	$101.78
99213 Established patient office or other outpatient visit, typically 15 minutes	325	277	$84.18	$68.62
92133 Imaging of optic nerve	304	300	$190.33	$31.81
92083 Exam of visual field with extended testing	229	225	$87.21	$51.77
92014 Established patient complete exam of visual system	194	188	$137.69	$118.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	158	124	$66.46	$41.03
65855 Laser repair to improve eye fluid flow	87	61	$800.00	$230.84
66984 Removal of cataract with insertion of lens	86	60	$2083.35	$604.40
92134 Imaging of retina	79	74	$185.49	$34.57
92004 New patient complete exam of visual system	44	44	$152.05	$141.59
66821 Removal of recurring cataract in lens capsule using a laser	39	38	$775.23	$291.48
92012 Established patient problem focused exam of visual system	38	37	$75.39	$73.95
76519 Ultrasound of eye for determination of lens power	38	38	$175.00	$68.46
92250 Photography of the retina	24	24	$92.79	$53.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	493	382	$83.45	$66.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	450	381	$127.27	$97.31
92133 Imaging of optic nerve	359	354	$191.73	$31.51
92083 Exam of visual field with extended testing	276	272	$95.67	$54.89
92014 Established patient complete exam of visual system	183	177	$139.89	$110.56
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	156	120	$66.23	$39.05
65855 Laser repair to improve eye fluid flow	98	65	$800.00	$218.62
92134 Imaging of retina	80	77	$191.20	$35.61
66984 Removal of cataract with insertion of lens	76	50	$2156.00	$569.39
66821 Removal of recurring cataract in lens capsule using a laser	61	59	$747.21	$278.97
92012 Established patient problem focused exam of visual system	56	56	$75.00	$72.70
92250 Photography of the retina	32	32	$90.16	$58.53
76519 Ultrasound of eye for determination of lens power	31	31	$175.00	$74.37
92004 New patient complete exam of visual system	29	29	$150.62	$133.14
92235 Exam of retinal blood vessels using a special camera after injection of a dye	25	23	$90.00	$68.24
65855 Laser repair to improve eye fluid flow	12	11	$617.00	$178.36

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License OH 35044839

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.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

⚠️

NPI Profile Deactivated December 12, 2024

Record deactivated on December 12, 2024

✅

NPI Profile Active March 11, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location March 11, 2008

Registered at 2728 LAKE AVE, ASHTABULA, OH 440044960 (Tel: 4409927788)

📍

Updated Business Mailing Address March 11, 2008

Registered at 2728 LAKE AVE, ASHTABULA, OH 440044960 (Tel: 4409927788)

👤

Provider Name / Credentials Updated March 11, 2008

Recorded as TAI-HUNG MAK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 11, 2008

Ophthalmology (License #35044839 in OH)

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Initial NPI Registration & Enumeration July 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1679599450

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 14, 2006

Last Update: March 11, 2008

Deactivation Date: December 12, 2024

Update or Correct Profile

Mailing Address

2728 Lake Ave

Ashtabula, OH 440044960

Phone: 4409927788

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.