Doctor profile · Federal record

Dr. Robert Bittner, OD

Optometrist (CMS: Optometry) · Somerset, PA

  • NPI 1699232314
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Dr Gregory L. Bittner, 268 W Union St.
Somerset, PA 15501
(814) 445-6664
fax (814) 443-1108

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
June 2, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Pennsylvania #OEG003504
Medicaid
PA #103604081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699232314. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
148
Distinct HCPCS
4
Medicare allowed
$16,702
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 51 51 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 46 44 $86
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $159
99214 Established patient office or other outpatient visit, 30-39 minutes 21 19 $119

In context: peer comparison

Among 3 peers in this city , average services per provider: 40. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
83
Patients
17
Total drug cost
$29,979
Drug Type Claims Patients Total cost
Latanoprost Generic 34 17 $949
Cyclosporine Generic 18 0 $15,824
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 18 0 $619
Xiidra (Lifitegrast) Brand 13 0 $12,587

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Bittner's medical specialty?
Dr. Robert Bittner practices Optometrist in Somerset, PA.
Where does Dr. Robert Bittner practice?
Dr. Robert Bittner practices at Dr Gregory L. Bittner, Somerset, PA 15501. Office phone: 8144456664.
What is Dr. Robert Bittner's NPI?
Dr. Robert Bittner's National Provider Identifier (NPI) is 1699232314, issued by NPPES.
Does Dr. Robert Bittner accept Medicare assignment?
Yes. Dr. Robert Bittner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Bittner commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.