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Gerlinde Wernig, MD

Pathology · Stanford

NPI 1609049741

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location · Stanford Health Care · 3,152 clinicians in this group

Looking this up.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Wernig’s office at (650) 723-4000 to ask if they take your plan before you enroll.

California Medical Board record

Licence A119554 · Current

Licensed to practise in California · since 2011 · expires 2027-06-30 · University of Vienna Faculty of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Original Medicare doctor bills

$1,426

Medicare paid this office $1,426 for 18 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Surgical pathology consultation and report on referred slides prepared elsewhere18$1,426$75

Who their Medicare patients are

18 Original Medicare patients in 2024. Average age 76 · Health risk score 2.11. Above the middle of the specialty; the typical pathology clinician is at 1.55.

Conditions among them: High blood pressure 72%.

The office billed $7,419, Medicare allowed $1,789 and paid $1,426; for 19 services of 1 kinds.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare by year
20241819762.11$7,419$1,426
202351166701.96$50,811$6,507
202248268742.47$75,477$9,219
20212177721.52$20,283$2,751
202062281702.89$80,212$10,176
201949208722.29$54,893$6,899
2018134706702.52$183,781$24,018
201787348682.95$89,196$11,865
201651249682.87$63,582$8,949
201586407722.02$101,316$14,643
2014108369692.57$97,515$14,052
20131980701.87$19,015$2,663

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 6 services

Original Medicare services billed in 2023
Surgical pathology consultation and report on referred slides prepared elsewhere25$1,870$75
Bone marrow, smear interpretation20$900$45
Pathology examination of tissue using a microscope, intermediate complexity20$695$35
Special stained specimen slides to examine tissue, initial procedure11$358$33
Preparation of tissue for examination by removing any calcium present20$230$12
Special stained specimen slides to examine tissue including interpretation and report11$178$11

2022: 9 services

Original Medicare services billed in 2022
Flow cytometry technique for dna or cell analysis, 16 or more markers24$1,834$76
Bone marrow, smear interpretation38$1,696$43
Pathology examination of tissue using a microscope, intermediate complexity38$1,374$35
Special stained specimen slides to examine tissue, each additional procedure11$982$27
Microscopic genetic analysis of tumor, manual12$744$39
Special stained specimen slides to examine tissue, initial procedure18$588$33
Preparation of tissue for examination by removing any calcium present38$454$12
Genetic sequencing localization, initial procedure11$449$41
Genetic sequencing localization, each additional procedure11$354$32

2021: 3 services

Original Medicare services billed in 2021
Bone marrow, smear interpretation13$598$46
Pathology examination of tissue using a microscope, intermediate complexity13$465$36
Preparation of tissue for examination by removing any calcium present13$154$12

2020: 7 services

Original Medicare services billed in 2020
Flow cytometry technique for dna or cell analysis, 16 or more markers27$2,370$79
Bone marrow, smear interpretation45$2,164$46
Pathology examination of tissue using a microscope, intermediate complexity45$1,741$37
Microscopic genetic analysis of tumor, manual18$1,082$42
Special stained specimen slides to examine tissue, initial procedure17$592$35
Preparation of tissue for examination by removing any calcium present44$557$12
Cell examination of specimen, concentration technique16$338$20

2019: 6 services

Original Medicare services billed in 2019
Bone marrow, smear interpretation32$1,579$46
Pathology examination of tissue using a microscope, intermediate complexity32$1,235$36
Flow cytometry technique for dna or cell analysis, 16 or more markers14$1,116$80
Preparation of tissue for examination by removing any calcium present32$403$12
Cell examination of specimen, concentration technique13$345$22
Special stained specimen slides to examine tissue including interpretation and report13$240$11

2018: 12 services

Original Medicare services billed in 2018
Flow cytometry technique for dna or cell analysis, 16 or more markers61$4,831$79
Bone marrow, smear interpretation94$4,379$46
Pathology examination of tissue using a microscope, intermediate complexity89$3,280$36
Special stained specimen slides to examine tissue, each additional procedure29$3,124$27
Microscopic genetic analysis of tumor, manual31$2,046$43
Special stained specimen slides to examine tissue, initial procedure45$1,523$34
Preparation of tissue for examination by removing any calcium present89$1,092$12
Cell examination of specimen, concentration technique41$1,007$21
Genetic sequencing localization, initial procedure22$924$42
Special stained specimen slides to examine tissue including interpretation and report38$586$11
Genetic sequencing localization, each additional procedure15$529$33
Blood smear interpretation by physician with written report13$301$23

2017: 9 services

Original Medicare services billed in 2017
Flow cytometry technique for dna or cell analysis, 16 or more markers33$2,748$83
Bone marrow, smear interpretation54$2,531$45
Pathology examination of tissue using a microscope, intermediate complexity49$1,952$35
Microscopic genetic analysis of tumor, manual13$990$52
Cell examination of specimen, concentration technique34$840$22
Preparation of tissue for examination by removing any calcium present49$625$12
Special stained specimen slides to examine tissue, initial procedure17$574$34
Special stained specimen slides to examine tissue including interpretation and report25$473$11
Special stained specimen slides to examine tissue, each additional procedure12$407$27

2016: 6 services

Original Medicare services billed in 2016
Flow cytometry technique for dna or cell analysis, 16 or more markers23$2,341$102
Bone marrow, smear interpretation39$1,776$46
Pathology examination of tissue using a microscope, intermediate complexity38$1,368$36
Preparation of tissue for examination by removing any calcium present38$447$12
Cell examination of specimen, concentration technique13$366$22
Special stained specimen slides to examine tissue including interpretation and report22$329$11

2015: 10 services

Original Medicare services billed in 2015
Flow cytometry technique for dna or cell analysis, 16 or more markers39$4,049$101
Bone marrow, smear interpretation52$2,594$45
Pathology examination of tissue using a microscope, intermediate complexity52$2,133$36
Microscopic genetic analysis of tumor, manual16$1,309$50
Special stained specimen slides to examine tissue, each additional procedure16$732$20
Preparation of tissue for examination by removing any calcium present52$674$12
Special stained specimen slides to examine tissue, initial procedure18$599$33
Special stained specimen slides to examine tissue including interpretation and report23$528$11
Cell examination of specimen, concentration technique22$495$22
Blood smear interpretation by physician with written report11$296$23

2014: 10 services

Original Medicare services billed in 2014
Flow cytometry technique for dna or cell analysis, 16 or more markers45$4,513$96
Bone marrow, smear interpretation51$2,309$42
Pathology examination of tissue using a microscope, intermediate complexity50$1,905$35
Microscopic genetic analysis of tumor, manual12$979$49
Cell examination of specimen, concentration technique31$703$20
Flow cytometry technique for dna or cell analysis, 2 to 8 markers11$635$58
Preparation of tissue for examination by removing any calcium present50$594$11
Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain13$358$28
Special stained specimen slides to examine tissue including interpretation and report17$314$11
Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure)11$218$11

2013: 3 services

Original Medicare services billed in 2013
Bone marrow, smear interpretation12$508$42
Pathology examination of tissue using a microscope, intermediate complexity12$397$33
Preparation of tissue for examination by removing any calcium present12$132$11

Medicaid work

$475 in 2023

Medicaid paid $475 for 26 billed services this clinician did in 2023, up to 13 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2023
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)13$297
Blood smear, peripheral, interpretation by physician with written report13$178
Medicaid work by year
202326213$475
202216116$316
202127121$549
202060328$1,293
2019113522$3,133
2018186543$5,380
See the largest Medicaid services in earlier years

2022

Largest Medicaid services in 2022
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)16$316

2021

Largest Medicaid services in 2021
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)27$549

2020

Largest Medicaid services in 2020
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)30$742
Bone marrow, smear interpretation16$426
Blood smear, peripheral, interpretation by physician with written report14$125

2019

Largest Medicaid services in 2019
Bone marrow, smear interpretation31$1,184
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)38$1,065
TISSUE EXAM BY PATHOLOGIST14$553
Blood smear, peripheral, interpretation by physician with written report15$209
DECALCIFICATION PROCEDURE15$121

2018

Largest Medicaid services in 2018
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)111$3,294
Bone marrow, smear interpretation30$1,115
TISSUE EXAM BY PATHOLOGIST15$665
Blood smear, peripheral, interpretation by physician with written report15$199
DECALCIFICATION PROCEDURE15$107

Money from drug and device companies

$20 in 2020

Industry payments by year
202011None$20
201912None$51

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Boehringer Ingelheim PharmaceuticalsOfev$20
1 payment
  • Meals for Ofev · 2020-01-08 · $20
See the published payment
Every published payment
Boehringer Ingelheim PharmaceuticalsMeals · 2020-01-08Ofev$20
See earlier years (2019)

2019: $51

Payments by company in 2019
Boehringer Ingelheim PharmaceuticalsOfev$51
2 payments
  • Meals for Ofev · 2019-09-05 · $25
  • Meals for Ofev · 2019-03-07 · $27

Research money

Money a company paid to run a study. Where it went to their institution, the clinician is named as an investigator and did not receive it; the amount covers the whole study, often across many sites.

Research payments by company and study
Boehringer Ingelheim Pharmaceuticals, Inc. · To Evaluate Efficacy of Combined Blockage of Infla · 2023Their institution$475,000
Boehringer Ingelheim Pharmaceuticals, Inc. · 2019Their institution$400,000
Boehringer Ingelheim Pharmaceuticals, Inc. · To Evaluate Efficacy of Combined Blockage of Infla · 2021Their institution$150,000
Boehringer Ingelheim Pharmaceuticals, Inc. · Modulating Immune Checkpoints To Treat Idiopathic · 2020Their institution$100,000

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1609049741
Licence
CA A119554California A119554: Current · expires 2027-06-30
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207ZP0101X (207ZP0101X); Federal specialty code 207ZH0000X (207ZH0000X); Federal specialty code 207ZP0102X (207ZP0102X)
Mailing address
300 Pasteur Dr, Palo Alto, CA, 94304
NPI first listed
2008-04-09
NPI last updated
2024-03-13
NPI record certified
2024-03-13

This is when the NPI record was last certified, not a medical board exam.