Doctor profile · Federal record

Dr. Guy Mullin, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Ophthalmology Physician · Langhorne, PA

  • NPI 1285680157
  • Accepts Medicare
  • MIPS 91.6 / 100 · 2023
  • 34 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
409 Executive Dr
Langhorne, PA 190478003
(215) 860-3400
fax (215) 860-8779

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 1, 2016
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207W00000X — NUCC code
State licenses (2)
Pennsylvania #MD-058636L · New Jersey #MA-64061

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285680157. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
975
Distinct HCPCS
8
Medicare allowed
$154,410
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 376 278 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 251 237 $133
76519 Ultrasound scan to determine eye length and lens power 100 62 $54
66984 Removal of cataract with insertion of prosthetic lens 85 49 $561
66821 Removal of recurring cataract in lens capsule using a laser 71 54 $348
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $170
92133 Imaging of optic nerve 34 34 $38
92020 Exam of the internal drainage system of eye 22 22 $28

In context: peer comparison

Among 4 peers in this city , average services per provider: 128. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
970
Patients
424
Total drug cost
$63,341
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 267 150 $10,285
Latanoprost Generic 209 44 $2,543
Gatifloxacin Generic 83 56 $4,611
Atropine Sulfate Generic 79 69 $2,429
Erythromycin (Erythromycin Base) Brand 70 52 $731
Timolol Maleate Generic 55 16 $4,500
Ketorolac Tromethamine Generic 46 23 $835
Brimonidine Tartrate Generic 41 0 $3,476
Alphagan P (Brimonidine Tartrate) Brand 26 0 $9,155
Brinzolamide Generic 23 0 $7,572

Frequently asked questions

Auto-generated from federal data
What is Dr. Guy Mullin's medical specialty?
Dr. Guy Mullin practices Ophthalmology Physician in Langhorne, PA.
Where does Dr. Guy Mullin practice?
Dr. Guy Mullin practices at 409 Executive Dr, Langhorne, PA 190478003. Office phone: 2158603400.
What is Dr. Guy Mullin's NPI?
Dr. Guy Mullin's National Provider Identifier (NPI) is 1285680157, issued by NPPES.
Does Dr. Guy Mullin accept Medicare assignment?
Yes. Dr. Guy Mullin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guy Mullin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound scan to determine eye length and lens power (HCPCS 76519). Source: CMS Medicare Physician & Other Practitioners file.