What is Nathan Hamburger's specialty?

Nathan Hamburger (NPI 1336300458) is a Medicare-billing provider whose primary specialty is Ophthalmology in Denver, CO.

Where does Nathan Hamburger practice?

Nathan Hamburger practices in Denver, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1336300458.

How much does Medicare pay Nathan Hamburger?

Nathan Hamburger (NPI 1336300458) received approximately $169K in total Medicare Part B payments, serving 691 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1336300458

Nathan HamburgerMD

OphthalmologyDenver, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,520

Unique beneficiaries

—

Total services

1,798

Distinct HCPCS

Medicare payment

$162K

Peer benchmark

Total Medicare services vs. 288 Ophthalmology providers in CO — above median (cohort median 1,772).

PRESCRIBING · PART D · 2024

Total Rx claims

788

Beneficiaries

—

Total drug cost

$35K

Distinct drugs

Brand share

18.5%

Top prescribed drugs

Latanoprost387 claims

Dorzolamide Hcl/Timolol Maleat91 claims

Timolol Maleate79 claims

Prednisolone Acetate61 claims

Brimonidine Tartrate57 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Nathan Hamburger's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 3 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1396781134	27	40
Rose Ambulatory Surgery Center Lp Ambulatory Surgical Center · Denver, CO	19	26
SAINT JOSEPH HOSPITAL, INC	13	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NPI 1396781134	25	44
Laboratory Corporation Of America Clinical Laboratory · Englewood, CO	21	30
Denver Mid-Town Surgery Center Ltd Ambulatory Surgical Center · Denver, CO	21	48
SAINT JOSEPH HOSPITAL, INC	15	31

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events