What is Keith Mercer's specialty?

Keith Mercer (NPI 1568543049) is a Medicare-billing provider whose primary specialty is Ophthalmology in Grass Valley, CA.

Where does Keith Mercer practice?

Keith Mercer practices in Grass Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1568543049.

How much does Medicare pay Keith Mercer?

Keith Mercer (NPI 1568543049) received approximately $181K in total Medicare Part B payments, serving 1,465 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1568543049

Keith MercerM.D.

PRACTICESIERRA VIEW MEDICAL EYE., INCSee all providers at this practice →

OphthalmologyGrass Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,316

Unique beneficiaries

—

Total services

2,642

Distinct HCPCS

Medicare payment

$176K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

1,134

Beneficiaries

—

Total drug cost

$70K

Distinct drugs

Brand share

19.2%

Top prescribed drugs

Latanoprost626 claims

Timolol Maleate106 claims

Dorzolamide Hcl/Timolol Maleat62 claims

Prednisolone Acetate59 claims

Dorzolamide Hcl54 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$186

Payment records

By payment type

Food and Beverage$186

Top paying entities

Food and Beverage$186

REFERRAL NETWORK

Where Keith Mercer'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sierra Ambulatory Surgery Center Ambulatory Surgical Center · Grass Valley, CA	135	337
Kuldip Gill Internal Medicine · Grass Valley, CA	67	221
Stephen Latter Podiatry · Kalispell, MT	60	98
Michael Hallenbeck Diagnostic Radiology · Grass Valley, CA	55	104
RICHEY, MARK	47	84
WESTERN SIERRA MEDICAL CLINIC, INC.	36	64
LOWE, ROBERT	35	64
Michael Mccormick Allergy/ Immunology · Grass Valley, CA	31	82
Heather Lucas Ross Family Practice · Hartford, CT	29	54
Adam Payne Physician Assistant · Fishkill, NY	26	34
Neva Monigatti Lake Family Practice · Grass Valley, CA	23	58
Kennan Runte Podiatry · Grass Valley, CA	23	38

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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