Guy Mullin, M.D.
NPI 1285680157 · Ophthalmology Physician · Langhorne, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Mullin, M.D. is a Ophthalmology Physician provider in Langhorne, PA (NPI 1285680157).
Provider details
- NPI number
- 1285680157
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-058636L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
936 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 384 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 223 | $126 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 101 | $327 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 71 | $527 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 69 | $48 |
| Exam of the Internal Drainage System of Eye92020 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 257 | 150 |
| Latanoprost | 200 | 42 |
| Gatifloxacin | 85 | 55 |
| Timolol Maleate | 73 | 18 |
| Atropine Sulfate | 67 | 58 |
| Erythromycin Basebrand: Erythromycin | 39 | 35 |
| Brimonidine Tartrate | 29 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2016-12-01
Frequently asked questions
- What is Guy Mullin's NPI number?
- Guy Mullin's National Provider Identifier (NPI) is 1285680157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Mullin's specialty?
- Guy Mullin is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Mullin located?
- Guy Mullin's practice location on file with NPPES is 409 Executive Dr, Langhorne, PA 19047-8003.
- What is Guy Mullin's phone number?
- The practice phone number listed in the NPPES registry for Guy Mullin is (215) 860-3400.
- Does Guy Mullin accept Medicare?
- Guy Mullin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Mullin's NPI active?
- Yes — Guy Mullin's NPI (1285680157) is active in the NPPES registry as of the last update on 2016-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.