Dr. Patrick Michael Overfield, DO

  • Sacramento, CA
  • Emergency medicine physician
NPI1235326836
Medicare services, 2024
91
Medicare patients, 2024
101
Part D claims, 2024
334
Hospital affiliations
1
Medical group
1
Practice address
6600 Bruceville Road, Sacramento, CA 95823
Practice phone
Call (916) 688-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Kaiser Permanente South Sacramento Medical Center

Hospital · Sacramento, California

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Dr. Patrick Michael Overfield is an emergency medicine physician in Sacramento, California

Dr. Overfield practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.

Dr. Overfield's NPI, 1235326836, was assigned on September 27, 2007. Dr. Overfield graduated from WesternU College of Osteopathic Medicine of the Pacific in 2006. Dr. Overfield's Pennsylvania license number on file is OT012172.

NPI and contact details
NPI enumeration date
September 27, 2007
NPI status
Active
Practice phone
(916) 688-2000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

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

Dr. Patrick Michael Overfield practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California

Dr. Overfield's primary practice is Kaiser Permanente South Sacramento Medical Center, at 6600 Bruceville Road, Sacramento, CA 95823 in Sacramento County. The practice phone is (916) 688-2000.

Source: Dmand AI Affiliation Data

Dr. Patrick Michael Overfield is affiliated with 1 site of care and 1 medical group

Dr. Overfield's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Patrick Michael Overfield's practice

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

EHR by site
SiteEHR vendor and product
Kaiser Permanente South Sacramento Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick Michael Overfield is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Overfield's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Overfield is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Overfield's licenses on file in 2 states: Pennsylvania and California.

Specialties and state licenses

  • Emergency medicine, PennsylvaniaPrimaryLicense OT012172 · 2007 to 2012 · taxonomy 207P00000X
  • Emergency medical services (emergency medicine), CaliforniaLicense 20A 11722 · 2011 to 2026 · taxonomy 207PE0004X

Emergency medicine physicians near Dr. Overfield

Counts of emergency medicine physicians 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. Patrick Michael Overfield billed Medicare for 91 services in 2024

CMS data shows 91 Medicare services from Dr. Overfield across 1 procedure code in 2024, for 101 Medicare patients. Medicare paid $10,956 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202491
Medicare patients101
Paid by Medicare$10,956
Procedure codes1

Dr. Overfield's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 622024: 9147%

Dr. Overfield compared with the California median for emergency medicine physicians, 2024

  • Dr. Overfield
  • California median
Medicare services
91vs 26566% below
Medicare patients
101vs 24358% below
Part D claims
199vs 623.2 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Overfield's most billed Medicare procedure codes, 2024

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. Patrick Michael Overfield treated 101 Medicare patients in 2024, average age 71

CMS counts 101 Medicare patients who saw Dr. Overfield in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 76% are also on Medicaid. Their average risk score is 2.20, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Overfield's median patient age at 53, with 53% women.

Medicare patients, 2024101
Average age71
Average risk score2.20
Also on Medicaid76%

Dr. Overfield's Medicare patients by age, 2024

Dr. Overfield's Medicare patients by sex, 2024

  • Women5352%
  • Men4848%

Chronic conditions among Dr. Overfield's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol67%
  3. Arthritis46%
  4. Diabetes45%
  5. Mood disorders39%
  6. Heart failure38%
  7. Chronic kidney disease34%
  8. Depression32%

Share of Medicare patients with each condition. A patient can have several.

Dr. Overfield's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Patrick Michael Overfield wrote 334 Medicare Part D claims in 2024

In 2024, Dr. Overfield wrote 334 Medicare Part D claims for 223 patients. 91% of them were for generic drugs. CMS names the drug for 199 of them, across 8 drugs with 11 or more claims each, at $2,140 in total drug cost. In 2023, CMS named 146 claims across 8 drugs.

Part D claims, 2024334
Drugs named by CMS8
Total drug cost$2,140
Part D patients223

Dr. Overfield's Part D claims by kind of drug, 2024

  • Generic304 claims91%
  • Brand-name30 claims9%

Dr. Overfield's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Overfield's Part D claims, 2024

  • Opioids16%55 of 334 claims
  • Antibiotics27%91 of 334 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1462024: 19936%

Drugs named by CMS: 8 in 2024, 8 in 2023.

See all prescribing by Dr. Overfield

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

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Dr. Patrick Michael Overfield graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Overfield graduated from WesternU College of Osteopathic Medicine of the Pacific in 2006. Dr. Overfield is a member of AOA.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Patrick Michael Overfield accepts plans from 2 insurance carriers

Dr. Overfield is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Overfield accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Patrick Michael Overfield'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. Patrick Michael Overfield

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. Patrick Michael Overfield's NPI number?

Dr. Patrick Michael Overfield's NPI number is 1235326836. It was assigned on September 27, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick Michael Overfield?

Dr. Patrick Michael Overfield is an emergency medicine physician in Sacramento, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Patrick Michael Overfield practice?

Dr. Overfield practices at 6600 Bruceville Road, Sacramento, CA 95823. Dr. Overfield's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.

What is Dr. Patrick Michael Overfield's office phone number?

The practice phone on file for Dr. Overfield is (916) 688-2000.

What is Dr. Patrick Michael Overfield's medical license number?

Dr. Overfield's Pennsylvania license number on file is OT012172, one of the licenses on file in 2 states.

Which states has Dr. Patrick Michael Overfield been licensed in?

Dmand AI has state licenses on file for Dr. Overfield in Pennsylvania (2007 to 2012) and California (2011 to 2026).

Which hospitals is Dr. Patrick Michael Overfield affiliated with?

Dr. Overfield practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California.

What medical group is Dr. Patrick Michael Overfield part of?

Dr. Overfield is linked to The Permanente Medical Group, Inc.

Does Dr. Patrick Michael Overfield accept Medicare?

Yes. CMS data shows Dr. Overfield billed Medicare for 91 services in 2024.

How many Medicare patients does Dr. Patrick Michael Overfield see?

CMS counts 101 Medicare patients who saw Dr. Overfield in 2024, with an average age of 71.

Show 6 more questionsShow fewer questions

Is Dr. Patrick Michael Overfield board certified?

Yes. Dr. Overfield is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Patrick Michael Overfield bill to Medicare?

In 2024, Dr. Overfield's most billed Medicare services were emergency department visit (99285).

Where did Dr. Patrick Michael Overfield go to medical school?

Dr. Overfield graduated from WesternU College of Osteopathic Medicine of the Pacific in 2006.

What drugs does Dr. Patrick Michael Overfield prescribe most?

In 2024 Medicare Part D data, Dr. Overfield's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Ondansetron ODT.

How long has Dr. Patrick Michael Overfield been practicing?

Dr. Overfield graduated from medical school in 2006, 20 years ago.

What insurance does Dr. Patrick Michael Overfield accept?

Dr. Overfield is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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