Active NPI 1922082387 Individual Practitioner Male Practitioner

Dr. Mark J Stamm , MD

Ophthalmology • Lewes, DE

Professional Overview & Biography Verified Profile Summary

Dr. Mark Stamm, MD is a registered healthcare professional specializing in Ophthalmology in Lewes, DE. Practice services are available at 28185 CELESTIAL WAY under active NPI credentials.

Frequently performed procedures and clinical services include established patient complete exam of visual system, photography of the retina, exam of visual field with limited testing. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

28185 Celestial Way

Lewes, DE 19958

Telephone 9142839027

Fax 8452941479

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Lewes, DE

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 40.0 Yrs

State Avg: 25.4 Yrs

Regional Practice Density

2 Specialists

Practicing in Lewes, DE (67 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.6% 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 (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	141	141	$145.00	$126.34
92250 Photography of the retina	112	112	$86.00	$35.24
92081 Exam of visual field with limited testing	88	88	$131.00	$33.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	74	$150.00	$128.73
92012 Established patient problem focused exam of visual system	67	64	$106.27	$90.28
99213 Established patient office or other outpatient visit, typically 15 minutes	64	55	$120.00	$90.03
92134 Imaging of retina	60	57	$107.82	$39.13
92133 Imaging of optic nerve	52	51	$157.50	$36.59
92136 Measurement of corneal curvature and depth of eye	39	29	$178.07	$39.05
92083 Exam of visual field with extended testing	38	38	$190.00	$64.57
66984 Removal of cataract with insertion of lens	35	26	$3077.00	$540.22
92202 Extended exam of the back part of the eye with optic nerve drawing	20	20	$68.00	$15.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	487	479	$145.00	$129.96
92250 Photography of the retina	349	347	$86.00	$36.98
92012 Established patient problem focused exam of visual system	312	211	$100.00	$92.94
92081 Exam of visual field with limited testing	221	221	$131.00	$34.66
92134 Imaging of retina	217	186	$107.82	$40.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	189	150	$150.00	$131.71
92133 Imaging of optic nerve	134	130	$157.50	$37.75
92083 Exam of visual field with extended testing	128	122	$190.00	$64.73
92136 Measurement of corneal curvature and depth of eye	124	93	$185.85	$41.84
99213 Established patient office or other outpatient visit, typically 15 minutes	116	96	$120.00	$93.26
92202 Extended exam of the back part of the eye with optic nerve drawing	98	98	$68.00	$15.85
66984 Removal of cataract with insertion of lens	82	54	$3077.00	$543.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	54	54	$195.00	$172.06
92004 New patient complete exam of visual system	44	44	$188.48	$154.07
68761 Closure of tear duct opening using plug	33	12	$386.18	$128.94
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	30	20	$47.11	$24.20
66821 Removal of recurring cataract in lens capsule using a laser	27	23	$627.00	$345.89
76514 Ultrasound scan of cornea to determine thickness	26	25	$92.00	$11.32
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	26	19	$3695.79	$698.23
66982 Complex removal of cataract with insertion of prosthetic lens	21	19	$3961.00	$761.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	504	490	$145.00	$133.06
92250 Photography of the retina	273	270	$86.00	$37.04
92012 Established patient problem focused exam of visual system	255	189	$100.00	$93.14
92081 Exam of visual field with limited testing	222	221	$131.00	$35.10
92202 Extended exam of the back part of the eye with optic nerve drawing	187	183	$68.00	$16.34
99213 Established patient office or other outpatient visit, typically 15 minutes	186	149	$120.00	$95.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	182	155	$150.00	$134.23
92134 Imaging of retina	173	159	$107.82	$40.67
92133 Imaging of optic nerve	143	135	$157.50	$38.44
92136 Measurement of corneal curvature and depth of eye	127	101	$191.27	$46.43
92083 Exam of visual field with extended testing	120	119	$190.00	$66.07
66984 Removal of cataract with insertion of lens	92	65	$3077.00	$561.87
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	89	61	$47.11	$24.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$195.00	$178.18
92004 New patient complete exam of visual system	28	28	$188.48	$155.42
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	26	19	$3692.91	$704.32
92025 Ct scan of cornea	25	25	$91.48	$33.79
76514 Ultrasound scan of cornea to determine thickness	21	21	$92.00	$11.86
66821 Removal of recurring cataract in lens capsule using a laser	16	14	$627.00	$342.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$150.00	$120.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	495	486	$145.00	$139.16
92012 Established patient problem focused exam of visual system	425	285	$100.00	$99.13
92250 Photography of the retina	295	293	$86.00	$43.27
92081 Exam of visual field with limited testing	200	198	$131.00	$34.23
92134 Imaging of retina	187	169	$107.82	$43.63
92202 Extended exam of the back part of the eye with optic nerve drawing	160	157	$68.00	$17.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	141	$149.50	$143.06
92133 Imaging of optic nerve	131	130	$157.50	$40.69
66984 Removal of cataract with insertion of lens	113	85	$3077.00	$597.99
92083 Exam of visual field with extended testing	113	110	$190.00	$69.81
99213 Established patient office or other outpatient visit, typically 15 minutes	107	96	$116.50	$100.23
92136 Measurement of corneal curvature and depth of eye	101	87	$199.71	$53.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	92	92	$194.78	$184.37
68761 Closure of tear duct opening using plug	41	19	$423.07	$154.99
92004 New patient complete exam of visual system	32	32	$188.48	$160.83
66982 Complex removal of cataract with insertion of prosthetic lens	25	23	$3961.00	$820.12
76514 Ultrasound scan of cornea to determine thickness	24	24	$92.00	$12.44
0191T Internal insertion of eye fluid drainage device	19	14	$1014.39	$371.02
65222 Removal of foreign body, external eye, cornea with slit lamp examination	17	17	$177.00	$73.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$135.00	$120.50
66821 Removal of recurring cataract in lens capsule using a laser	12	12	$627.00	$372.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	599	565	$144.87	$137.69
92012 Established patient problem focused exam of visual system	524	305	$99.87	$96.82
92081 Exam of visual field with limited testing	281	278	$131.00	$34.16
92250 Photography of the retina	240	238	$86.00	$49.53
92202 Extended exam of the back part of the eye with optic nerve drawing	214	211	$68.00	$17.30
92134 Imaging of retina	144	127	$107.82	$43.20
92133 Imaging of optic nerve	119	115	$157.50	$40.63
92136 Measurement of corneal curvature and depth of eye	116	89	$198.21	$54.55
92083 Exam of visual field with extended testing	112	107	$190.00	$69.58
66984 Removal of cataract with insertion of lens	102	72	$3077.00	$601.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	94	94	$190.00	$179.33
92004 New patient complete exam of visual system	36	36	$188.48	$164.30
66982 Complex removal of cataract with insertion of prosthetic lens	23	17	$3961.00	$825.95
92025 Ct scan of cornea	22	22	$91.48	$37.91
65222 Removal of foreign body, external eye, cornea with slit lamp examination	18	15	$177.00	$74.95
76514 Ultrasound scan of cornea to determine thickness	16	16	$92.00	$12.62
92201 Extended exam of the back part of the eye with retinal drawing	14	14	$68.00	$27.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$124.64	$111.46
92285 Photography of content of eyes	12	11	$118.00	$22.99
66821 Removal of recurring cataract in lens capsule using a laser	12	12	$627.00	$367.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	641	358	$95.00	$94.05
92014 Established patient complete exam of visual system	621	583	$140.00	$134.84
92081 Exam of visual field with limited testing	315	313	$131.00	$33.44
92250 Photography of the retina	281	278	$86.00	$54.19
92226 Examination of eye by ophthalmoscope with retinal drawing	187	182	$65.00	$49.52
92225 Examination of eye by ophthalmoscope with retinal drawing	172	170	$65.00	$55.57
92133 Imaging of optic nerve	131	127	$157.50	$39.46
92083 Exam of visual field with extended testing	121	118	$190.00	$68.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	116	116	$190.00	$175.40
92136 Measurement of corneal curvature and depth of eye	107	87	$205.30	$64.11
66984 Removal of cataract with insertion of lens	104	80	$3077.00	$657.36
92134 Imaging of retina	93	85	$107.82	$43.21
92004 New patient complete exam of visual system	41	41	$188.48	$156.01
66982 Complex removal of cataract with insertion of prosthetic lens	31	29	$3961.00	$842.84
65222 Removal of foreign body, external eye, cornea with slit lamp examination	23	23	$177.00	$73.14
76514 Ultrasound scan of cornea to determine thickness	20	20	$92.00	$12.74
0191T Internal insertion of eye fluid drainage device	20	13	$1014.39	$347.99
66821 Removal of recurring cataract in lens capsule using a laser	20	17	$627.00	$358.18
92285 Photography of content of eyes	16	16	$118.00	$22.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	676	389	$95.00	$92.22
92014 Established patient complete exam of visual system	565	546	$140.00	$132.48
92081 Exam of visual field with limited testing	326	322	$131.00	$33.67
92250 Photography of the retina	274	273	$86.00	$60.19
92226 Examination of eye by ophthalmoscope with retinal drawing	188	179	$64.36	$47.47
92225 Examination of eye by ophthalmoscope with retinal drawing	168	166	$64.79	$50.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	148	148	$190.00	$171.90
66984 Removal of cataract with insertion of lens	146	114	$3077.00	$643.23
92136 Measurement of corneal curvature and depth of eye	110	89	$204.70	$65.72
92083 Exam of visual field with extended testing	110	107	$190.00	$67.72
92133 Imaging of optic nerve	109	101	$157.50	$39.35
92134 Imaging of retina	68	59	$107.82	$43.42
92004 New patient complete exam of visual system	67	67	$188.48	$159.30
68761 Closure of tear duct opening using plug	39	13	$354.00	$132.01
66821 Removal of recurring cataract in lens capsule using a laser	25	20	$627.00	$346.61
66982 Complex removal of cataract with insertion of prosthetic lens	25	21	$3961.00	$796.90
92285 Photography of content of eyes	23	23	$118.00	$21.79
76514 Ultrasound scan of cornea to determine thickness	21	21	$92.00	$15.49
65222 Removal of foreign body, external eye, cornea with slit lamp examination	19	19	$177.00	$70.15
67820 Removal of eyelashes using forceps	16	12	$150.88	$44.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$120.00	$114.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	638	382	$95.00	$89.38
92014 Established patient complete exam of visual system	481	478	$140.00	$129.18
92081 Exam of visual field with limited testing	322	320	$131.00	$32.88
92250 Photography of the retina	291	290	$86.00	$69.61
92226 Examination of eye by ophthalmoscope with retinal drawing	198	194	$53.00	$44.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	148	148	$190.00	$171.34
66984 Removal of cataract with insertion of lens	132	97	$3077.00	$646.91
92136 Measurement of corneal curvature and depth of eye	122	86	$204.32	$72.27
92083 Exam of visual field with extended testing	103	100	$190.00	$67.36
92133 Imaging of optic nerve	90	86	$157.50	$38.61
92225 Examination of eye by ophthalmoscope with retinal drawing	74	74	$62.00	$48.31
92134 Imaging of retina	43	43	$107.82	$41.18
68761 Closure of tear duct opening using plug	31	12	$388.13	$135.86
92004 New patient complete exam of visual system	23	23	$188.48	$156.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$120.00	$114.66
66821 Removal of recurring cataract in lens capsule using a laser	19	17	$627.00	$349.32
66982 Complex removal of cataract with insertion of prosthetic lens	18	15	$3961.00	$802.26
76514 Ultrasound scan of cornea to determine thickness	17	17	$92.00	$15.28
92285 Photography of content of eyes	14	14	$118.00	$20.86
65222 Removal of foreign body, external eye, cornea with slit lamp examination	11	11	$183.50	$73.58

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License DE C1-0027102

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

000607658 (NY)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

10 Associated Practitioners

Dr. Irina Koreen , MD, PhD

Ophthalmology

NPI 1013114040

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Mandes Kates , MD

Ophthalmology

NPI 1104800234

Doctor of Medicine (M.D.)

Dr. Leslie Green , MD

Ophthalmology

NPI 1124002597

Doctor of Medicine (M.D.)

Eva Carver , OPTICIAN

Technician/Technologist - Optician

NPI 1255493730

Dr. Susan Greenberg , OD

Optometrist

NPI 1376527747

Doctor of Optometry

Dr. Paul Beswick , OD

Technician/Technologist - Optician

NPI 1457710824

Doctor of Optometry

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location July 28, 2025

Registered at 28185 CELESTIAL WAY, LEWES, DE 19958 (Tel: 9142839027)

📍

Updated Business Mailing Address July 28, 2025

Registered at PO BOX 73, NASSAU, DE 19969 (Tel: 9142839027)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 28, 2025

Ophthalmology (License #C1-0027102 in DE)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1 HATFIELD LN, STE 3 EYE PHYSICIANS OF ORANGE COUNTY PC, GOSHEN, NY 109246752 (Tel: 8452945128)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1 HATFIELD LN, STE 3 EYE PHYSICIANS OF ORANGE COUNTY PC, GOSHEN, NY 109246752 (Tel: 8452945128)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MARK STAMM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology (License #135026 in NY)

🟢

Initial NPI Registration & Enumeration November 30, 2005

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: 1922082387

Entity Type:

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

Enumeration Date: November 30, 2005

Last Update: July 28, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 73

Nassau, DE 19969

Phone: 9142839027

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.