Dr. Milo Nelson Warner, DO

  • Campbell, CA
  • General surgeon
NPI1164635272
Medicare services, 2021
185
Part D claims, 2021
18
Hospital affiliations
1
Medical groups
5
State license
1
Practice address
900 E Hamilton Ave, Campbell, CA 95008
Practice phone
Call (469) 466-7007
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Signify Health

Campbell, California

See all 8 affiliations

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Dr. Milo Nelson Warner is a general surgeon in Campbell, California

Dr. Warner practices at Signify Health in Campbell, California.

Dr. Warner's NPI, 1164635272, was assigned on May 7, 2007. Dr. Warner holds Arkansas license R-4534.

NPI and contact details
NPI enumeration date
May 7, 2007
NPI status
Active
Practice phone
(469) 466-7007
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Milo Nelson Warner practices at Signify Health in Campbell, California

Dr. Warner's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.

  • Signify Health
    900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Milo Nelson Warner is affiliated with 3 sites of care and 5 medical groups

Dr. Warner's primary practice is Signify Health in Campbell, California. Dr. Warner is also affiliated with Mercy Hospital Berryville. The medical group on file is Signify Health. Dmand AI also links Dr. Warner to 4 more medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Warner

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Milo Nelson Warner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warner practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Signify HealthAvailable with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Milo Nelson Warner is one of 2,926 general surgeons in California

Surgery is Dr. Warner's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Warner is licensed in Arkansas.

Specialties and state licenses

  • Surgery, ArkansasPrimaryLicense R-4534 · taxonomy 208600000X

General surgeons near Dr. Warner

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Milo Nelson Warner billed Medicare for 185 services in 2021

CMS data shows 185 Medicare services from Dr. Warner across 5 procedure codes in 2021. Medicare paid $20,375 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2021185
Paid by Medicare$20,375
Procedure codes5

Dr. Warner's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 3272021: 15553%
Tests and treatments
2020: 782021: 3062%

Dr. Warner compared with the California median for general surgeons, 2021

  • Dr. Warner
  • California median
Medicare services
185vs 16611% above
Part D claims
18vs 3447% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Warner's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Milo Nelson Warner's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Dr. Warner's median patient age at 69, with 47% women.

Dr. Warner's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women47%
  • Men53%

Source: Dmand AI Patient Panel Data

Dr. Milo Nelson Warner wrote 18 Medicare Part D claims in 2021

In 2021, Dr. Warner wrote 18 Medicare Part D claims. They cover 1 drug, with $107 in total drug cost. In 2020, CMS named 71 claims across 5 drugs.

Part D claims, 202118
Drugs named by CMS1
Total drug cost$107

Dr. Warner's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 712021: 1875%

Drugs named by CMS: 1 in 2021, 5 in 2020.

See all prescribing by Dr. Warner

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Sources for Dr. Milo Nelson Warner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Milo Nelson Warner

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Milo Nelson Warner's NPI number?

Dr. Milo Nelson Warner's NPI number is 1164635272. It was assigned on May 7, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Milo Nelson Warner?

Dr. Milo Nelson Warner is a general surgeon in Campbell, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Milo Nelson Warner practice?

Dr. Warner practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Warner's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. Warner to 4 medical groups and 1 group practice or clinic, and a free account names each one.

What is Dr. Milo Nelson Warner's office phone number?

The practice phone on file for Dr. Warner is (469) 466-7007. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Milo Nelson Warner's email address?

Dmand AI checks professional and personal email addresses for Dr. Warner through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Milo Nelson Warner's medical license number?

Dr. Warner holds Arkansas license R-4534.

Which hospitals is Dr. Milo Nelson Warner affiliated with?

Dr. Warner is affiliated with Mercy Hospital Berryville.

What medical group is Dr. Milo Nelson Warner part of?

Dr. Warner is linked to Signify Health. Dmand AI links Dr. Warner to 4 more medical groups, named with a free account.

Who does Dr. Milo Nelson Warner practice with?

Dmand AI links 4,492 HCPs to Dr. Warner's primary medical group, 44 of them general surgeons. A free account lists them, with verified contacts.

Does Dr. Milo Nelson Warner accept Medicare?

Yes. CMS data shows Dr. Warner billed Medicare for 185 services in 2021.

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What services does Dr. Milo Nelson Warner bill to Medicare?

In 2021, Dr. Warner's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

What drugs does Dr. Milo Nelson Warner prescribe most?

In 2021 Medicare Part D data, Dr. Warner's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

How long has Dr. Milo Nelson Warner been practicing?

Dr. Warner's NPI was assigned in 2007.

What EHR does Dr. Milo Nelson Warner's practice use?

Dmand AI tracks the EHR system at Signify Health and at 2 more sites and 4 medical groups. The vendor and product are available with a free Dmand AI account.

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