Doctor profile · Federal record

Dr. Nathan Baas, O.D.

Optometrist (CMS: Optometry) · Traverse City, MI

  • NPI 1619039864
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
515 S Union St
Traverse City, MI 496843246
(231) 946-0333
fax (231) 946-1665

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 24, 2010
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Michigan #NB004139
Medicaid (2)
MI #944770039 · MI #944717597

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619039864. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
152
Distinct HCPCS
6
Medicare allowed
$12,883
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 47 47 $119
99212 Established patient office or other outpatient visit, 10-19 minutes 32 23 $54
92250 Photography of the retina 30 30 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 21 18 $86
92004 New patient complete exam of visual system 11 11 $141
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $107

In context: peer comparison

Among 6 peers in this city , average services per provider: 59. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$161
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $115.12
Alcon Vision LLC 1 $24.55
Johnson & Johnson Vision Care, Inc. 1 $20.95

By nature of payment

Food and Beverage
$161

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
44
Patients
27
Total drug cost
$953
Drug Type Claims Patients Total cost
Latanoprost Generic 28 12 $708
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 16 15 $245

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Baas's medical specialty?
Dr. Nathan Baas practices Optometrist in Traverse City, MI.
Where does Dr. Nathan Baas practice?
Dr. Nathan Baas practices at 515 S Union St, Traverse City, MI 496843246. Office phone: 2319460333.
What is Dr. Nathan Baas's NPI?
Dr. Nathan Baas's National Provider Identifier (NPI) is 1619039864, issued by NPPES.
Does Dr. Nathan Baas accept Medicare assignment?
Yes. Dr. Nathan Baas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Baas commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99212); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.