Active NPI 1811992993 Individual Practitioner Male Practitioner

Dr. Patrick Joseph Riddle , MD

Ophthalmology • Nashua, NH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Riddle, MD is a certified Ophthalmology practicing in Nashua, NH. With approximately 55 years of clinical experience since graduating from Creighton University School Of Medicine in 1971, Dr. Riddle delivers high-quality medical care to the local community at 5 COLISEUM AVE.

Dr. Riddle is affiliated with Nashua Eye Associates Pa and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

5 Coliseum Ave

Nashua, NH 030633292

Telephone 6038829800

Fax 6038820556

Associated Practice Facility / Clinic

🏢 Nashua Eye Associates, P.a. Facility NPI 1801891247

Medicare Profile & Education

Medical School

Creighton University School Of Medicine

Graduation Year

1971

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Nashua, NH

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

55 Yrs +24.0 yrs vs City Avg

City Avg: 31.0 Yrs

State Avg: 29.2 Yrs

Regional Practice Density

6 Specialists

Practicing in Nashua, NH (101 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Riddle (55 Years) 55 Yrs

Nashua Specialty Average (31.0 Years) 31.0 Yrs

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	842	833	$300.00	$129.53
99213 Established patient office or other outpatient visit, typically 15 minutes	410	256	$185.00	$92.83
92250 Photography of the retina	321	308	$175.00	$37.96
92134 Imaging of retina	173	152	$105.00	$41.14
92083 Exam of visual field with extended testing	119	97	$160.00	$65.67
92133 Imaging of optic nerve	103	88	$100.00	$36.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	63	49	$115.00	$58.13
92004 New patient complete exam of visual system	60	60	$350.00	$152.93
92012 Established patient problem focused exam of visual system	57	56	$200.00	$90.92
92201 Extended exam of the back part of the eye with retinal drawing	37	27	$70.00	$25.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	35	$270.00	$131.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	831	822	$300.00	$127.76
99213 Established patient office or other outpatient visit, typically 15 minutes	459	280	$185.00	$90.79
92250 Photography of the retina	343	329	$175.00	$37.61
92134 Imaging of retina	163	137	$105.00	$40.60
92083 Exam of visual field with extended testing	136	113	$160.00	$63.71
92012 Established patient problem focused exam of visual system	106	102	$200.00	$91.20
92133 Imaging of optic nerve	95	85	$100.00	$36.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	90	66	$115.00	$56.82
92004 New patient complete exam of visual system	79	79	$350.00	$149.74
92201 Extended exam of the back part of the eye with retinal drawing	46	36	$70.00	$24.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	30	$270.00	$128.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,007	977	$300.00	$129.89
99213 Established patient office or other outpatient visit, typically 15 minutes	510	262	$185.00	$92.20
92250 Photography of the retina	371	352	$175.00	$37.99
92134 Imaging of retina	207	167	$105.00	$41.40
92083 Exam of visual field with extended testing	164	124	$160.00	$64.74
92012 Established patient problem focused exam of visual system	152	135	$200.00	$91.86
92133 Imaging of optic nerve	131	111	$100.00	$36.77
92004 New patient complete exam of visual system	92	92	$350.00	$153.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	54	$115.00	$57.91
92201 Extended exam of the back part of the eye with retinal drawing	50	38	$70.00	$25.03
67820 Removal of eyelashes using forceps	21	12	$191.67	$19.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$270.00	$130.15
92002 New patient problem focused exam of visual system	16	16	$210.00	$88.84
66821 Removal of recurring cataract in lens capsule using a laser	15	14	$800.00	$340.46
92020 Examination of cornea and iris using lens device and slit lamp	11	11	$75.00	$28.64
76514 Ultrasound scan of cornea to determine thickness	11	11	$45.00	$11.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	968	938	$300.00	$131.93
99213 Established patient office or other outpatient visit, typically 15 minutes	527	293	$185.00	$94.45
92250 Photography of the retina	394	377	$175.00	$40.61
92134 Imaging of retina	238	190	$105.00	$42.47
92012 Established patient problem focused exam of visual system	176	155	$200.00	$94.16
92083 Exam of visual field with extended testing	160	133	$160.00	$66.59
92133 Imaging of optic nerve	157	132	$100.00	$37.95
92004 New patient complete exam of visual system	108	108	$350.00	$157.07
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	41	$115.00	$58.58
66984 Removal of cataract with insertion of lens	26	24	$1670.00	$532.89
92020 Examination of cornea and iris using lens device and slit lamp	22	20	$75.00	$29.10
92136 Measurement of corneal curvature and depth of eye	21	20	$225.00	$53.70
92201 Extended exam of the back part of the eye with retinal drawing	19	16	$70.00	$25.75
76514 Ultrasound scan of cornea to determine thickness	14	14	$45.00	$11.57
76512 Ultrasound of eye disease, growth, or structure	12	11	$250.00	$51.17
66982 Complex removal of cataract with insertion of prosthetic lens	11	11	$2000.00	$772.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	783	776	$300.00	$131.08
99213 Established patient office or other outpatient visit, typically 15 minutes	515	328	$363.44	$78.36
92250 Photography of the retina	288	281	$175.00	$46.38
92134 Imaging of retina	234	204	$104.98	$42.35
92012 Established patient problem focused exam of visual system	188	166	$200.00	$92.49
92083 Exam of visual field with extended testing	135	109	$160.00	$66.73
92133 Imaging of optic nerve	124	105	$100.00	$38.47
92004 New patient complete exam of visual system	80	80	$350.00	$156.27
92136 Measurement of corneal curvature and depth of eye	51	47	$225.00	$59.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	43	$115.00	$47.73
66984 Removal of cataract with insertion of lens	48	42	$1670.00	$567.76
67820 Removal of eyelashes using forceps	39	17	$210.90	$31.17
92201 Extended exam of the back part of the eye with retinal drawing	18	18	$73.89	$26.18
92020 Examination of cornea and iris using lens device and slit lamp	16	16	$75.00	$29.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,016	983	$300.00	$131.28
99213 Established patient office or other outpatient visit, typically 15 minutes	683	371	$185.00	$76.93
92134 Imaging of retina	394	305	$105.00	$42.40
92250 Photography of the retina	268	263	$175.00	$52.05
92012 Established patient problem focused exam of visual system	224	206	$200.00	$91.47
92083 Exam of visual field with extended testing	166	126	$160.00	$67.22
92133 Imaging of optic nerve	164	140	$100.00	$38.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	140	96	$115.00	$46.97
92004 New patient complete exam of visual system	101	101	$350.00	$157.25
92136 Measurement of corneal curvature and depth of eye	65	59	$225.00	$64.13
66984 Removal of cataract with insertion of lens	47	39	$1670.00	$668.80
92225 Examination of eye by ophthalmoscope with retinal drawing	31	30	$79.03	$34.81
92020 Examination of cornea and iris using lens device and slit lamp	24	21	$75.00	$28.73
67820 Removal of eyelashes using forceps	24	12	$204.17	$37.31
76514 Ultrasound scan of cornea to determine thickness	15	15	$45.00	$12.39
76512 Ultrasound of eye disease, growth, or structure	11	11	$272.73	$64.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,069	1,039	$300.00	$129.92
99213 Established patient office or other outpatient visit, typically 15 minutes	763	412	$185.00	$74.88
92134 Imaging of retina	361	278	$105.00	$42.49
92012 Established patient problem focused exam of visual system	279	241	$200.00	$89.64
92083 Exam of visual field with extended testing	170	149	$160.00	$66.61
92250 Photography of the retina	167	158	$175.00	$58.83
92133 Imaging of optic nerve	167	140	$100.00	$38.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	156	99	$115.00	$45.24
92004 New patient complete exam of visual system	94	94	$350.00	$154.72
67820 Removal of eyelashes using forceps	56	26	$209.38	$46.22
92136 Measurement of corneal curvature and depth of eye	52	52	$225.00	$72.29
66984 Removal of cataract with insertion of lens	50	45	$1670.00	$661.60
92020 Examination of cornea and iris using lens device and slit lamp	25	25	$75.00	$27.58
66982 Complex removal of cataract with insertion of prosthetic lens	25	24	$2000.00	$820.93
76514 Ultrasound scan of cornea to determine thickness	12	12	$45.00	$14.84
92002 New patient problem focused exam of visual system	12	12	$210.00	$86.19
76512 Ultrasound of eye disease, growth, or structure	11	11	$250.00	$77.58
76519 Ultrasound of eye for determination of lens power	11	11	$220.00	$77.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	991	964	$287.87	$126.82
99213 Established patient office or other outpatient visit, typically 15 minutes	757	397	$172.95	$74.52
92134 Imaging of retina	344	275	$102.37	$41.64
92012 Established patient problem focused exam of visual system	284	254	$189.65	$87.81
92083 Exam of visual field with extended testing	203	166	$160.00	$66.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	177	114	$112.74	$44.80
92133 Imaging of optic nerve	157	135	$100.00	$38.51
92250 Photography of the retina	149	141	$182.15	$67.91
92004 New patient complete exam of visual system	113	113	$330.80	$153.07
92136 Measurement of corneal curvature and depth of eye	75	66	$211.00	$80.40
66984 Removal of cataract with insertion of lens	47	41	$1950.85	$648.52
67820 Removal of eyelashes using forceps	45	28	$171.67	$52.74
92002 New patient problem focused exam of visual system	25	25	$198.00	$83.59
66982 Complex removal of cataract with insertion of prosthetic lens	19	16	$2105.26	$814.68
92020 Examination of cornea and iris using lens device and slit lamp	17	17	$69.71	$27.55
76514 Ultrasound scan of cornea to determine thickness	15	15	$45.00	$14.57
76519 Ultrasound of eye for determination of lens power	12	12	$193.33	$78.64
76512 Ultrasound of eye disease, growth, or structure	11	11	$239.09	$102.86

Medical Specialties & State Licenses

CMS Verified: 2022-08-11

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License NH 6907

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.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License NE 12369

Hospital & Practice Group Affiliations

Nashua Eye Associates Pa

5 Coliseum Ave, Nashua, NH 030633292

Phone: 6038829800

Practice Associates & Co-Workers

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

22 Associated Practitioners

Dr. Henry Lopez , OD

Optometrist

NPI 1003811191

Doctor of Optometry

Dr. Fabrice Brenot , OD

Optometrist

NPI 1003858457

Doctor of Optometry

Dr. Purak Parikh , MD

Ophthalmology

NPI 1205198629

Doctor of Medicine (M.D.)

Michelle Brogan

Technician, Other

NPI 1215213988

Durrell Smith , CRNA

Nurse Anesthetist, Certified Registered

NPI 1225038813

Certified Registered Nurse Anesthetist

Jordan Kennedy

Optometrist

NPI 1306512090

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 07, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location September 07, 2007

Registered at 5 COLISEUM AVE, NASHUA, NH 030633292 (Tel: 6038829800)

📍

Updated Business Mailing Address September 07, 2007

Registered at 5 COLISEUM AVE, NASHUA, NH 030633292 (Tel: 6038829800)

👤

Provider Name / Credentials Updated September 07, 2007

Recorded as PATRICK RIDDLE, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 07, 2007

Ophthalmology (License #6907 in NH)

🟢

Initial NPI Registration & Enumeration June 16, 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: 1811992993

Entity Type:

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

Enumeration Date: June 16, 2005

Last Update: August 11, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5 Coliseum Ave

Nashua, NH 030633292

Phone: 6038829800

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.