Caroline Haven Humphreys

  • Oakland, CA
  • Emergency medicine physician
NPI1013449065PAC ID0345658860
Medicare services, 2024
126
Medicare patients, 2024
116
Part D claims, 2024
54
MIPS score, 2024
95
Hospital affiliations
4
Practice address
1411 East 31st Street, Oakland, CA 94602
Practice phone
Call (510) 437-4800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Alameda Health System - Highland Hospital

Hospital · Oakland, California

See all 10 affiliations

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Caroline Haven Humphreys is an emergency medicine physician in Oakland, California

Caroline Humphreys practices at Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County.

Caroline Humphreys' NPI, 1013449065, was assigned on March 29, 2017. Caroline Humphreys graduated from Georgetown University School Of Medicine in 2017. Caroline Humphreys holds California license A160956.

NPI and contact details
Medicare PAC ID
0345658860
NPI enumeration date
March 29, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 437-4800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Caroline Haven Humphreys practices at Alameda Health System - Highland Hospital in Oakland, California

Caroline Humphreys' primary practice is Alameda Health System - Highland Hospital, at 1411 East 31st Street, Oakland, CA 94602 in Alameda County. The practice phone is (510) 437-4800.

Source: Dmand AI Affiliation Data

Caroline Haven Humphreys is affiliated with 5 sites of care and 5 medical groups

Caroline Humphreys' primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Caroline Humphreys is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Caroline Humphreys to 2 more hospitals, 4 medical groups and 1 community health center, each named with a free account. Caroline Humphreys' employer is on file too: a hospital.

See all 10 affiliations for Caroline Humphreys

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

Dmand AI tracks the EHR system at Caroline Haven Humphreys' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Caroline Humphreys practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alameda Health System - Highland HospitalAvailable with a free account
+4 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Caroline Haven Humphreys is one of 7,423 emergency medicine physicians in California

Emergency medicine is Caroline Humphreys' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Caroline Humphreys is board certified in emergency medicine by the American Board of Emergency Medicine. Caroline Humphreys is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A160956 · 2019 to 2027 · taxonomy 207P00000X

Emergency medicine physicians near Caroline Humphreys

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

Caroline Haven Humphreys billed Medicare for 126 services in 2024

CMS data shows 126 Medicare services from Caroline Humphreys across 3 procedure codes in 2024, for 116 Medicare patients. Medicare paid $13,670 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024126
Medicare patients116
Paid by Medicare$13,670
Procedure codes3

Caroline Humphreys' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2222024: 12643%

Caroline Humphreys compared with the California median for emergency medicine physicians, 2024

  • Caroline Humphreys
  • California median
Medicare services
126vs 26552% below
Medicare patients
116vs 24352% below
Part D claims
13vs 6279% below

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

Caroline Humphreys' 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.

See all procedures by Caroline Humphreys

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

Caroline Haven Humphreys treated 116 Medicare patients in 2024, average age 69

CMS counts 116 Medicare patients who saw Caroline Humphreys in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 63% have high cholesterol. 90% are also on Medicaid. Their average risk score is 2.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Caroline Humphreys' median patient age at 46, with 50% women.

Medicare patients, 2024116
Average age69
Average risk score2.84
Also on Medicaid90%

Caroline Humphreys' Medicare patients by age, 2024

Caroline Humphreys' Medicare patients by sex, 2024

  • Women6354%
  • Men5346%

Chronic conditions among Caroline Humphreys' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol63%
  3. Diabetes45%
  4. Arthritis44%
  5. Mood disorders44%
  6. Anxiety43%
  7. Depression34%
  8. Chronic kidney disease32%

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

Caroline Humphreys' patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women50%
  • Men48%

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

Caroline Haven Humphreys wrote 54 Medicare Part D claims in 2024

In 2024, Caroline Humphreys wrote 54 Medicare Part D claims for 28 patients. 80% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $100 in total drug cost.

Part D claims, 202454
Drugs named by CMS1
Total drug cost$100
Part D patients28

Caroline Humphreys' Part D claims by kind of drug, 2024

  • Generic43 claims80%
  • Brand-name11 claims20%

Caroline Humphreys' most prescribed drugs by claims, 2022

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 Caroline Humphreys' Part D claims, 2024

  • Antibiotics28%15 of 54 claims

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

See all prescribing by Caroline Humphreys

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

Caroline Haven Humphreys scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Caroline Humphreys for performance year 2024, reported as part of a group. Caroline Humphreys accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Caroline Humphreys' MIPS scores, performance year 2024

  • 95of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Caroline Haven Humphreys graduated from Georgetown University School Of Medicine

Caroline Humphreys graduated from Georgetown University School Of Medicine in 2017.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Caroline Haven Humphreys accepts plans from 6 insurance carriers

Caroline Humphreys is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Elevance
  • HCSC

Plan types Caroline Humphreys accepts, by number of carriers

  1. PPO3
  2. Medicare2
  3. POS2
  4. EPO1
  5. HMO1

Source: Dmand AI Insurance Network Data

Sources for Caroline Haven Humphreys'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Caroline Haven Humphreys

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

What is Caroline Haven Humphreys' NPI number?

Caroline Haven Humphreys' NPI number is 1013449065. It was assigned on March 29, 2017, and it is active in the NPI Registry.

What does Caroline Haven Humphreys specialize in?

Caroline Haven Humphreys is an emergency medicine physician in Oakland, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Caroline Haven Humphreys practice?

Caroline Humphreys practices at 1411 East 31st Street, Oakland, CA 94602. Caroline Humphreys' primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dmand AI also links Caroline Humphreys to 2 hospitals, 4 medical groups and 1 community health center.

What is Caroline Haven Humphreys' office phone number?

The practice phone on file for Caroline Humphreys is (510) 437-4800.

What is Caroline Haven Humphreys' medical license number?

Caroline Humphreys holds California license A160956.

Which hospitals is Caroline Haven Humphreys affiliated with?

Caroline Humphreys practices at Alameda Health System - Highland Hospital in Oakland, California. Caroline Humphreys is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Caroline Humphreys to 2 more hospitals.

What medical group is Caroline Haven Humphreys part of?

Caroline Humphreys is linked to UCSF Department of Radiology & Biomedical Imaging. Dmand AI links Caroline Humphreys to 4 more medical groups.

Does Caroline Haven Humphreys accept Medicare?

Yes. CMS data shows Caroline Humphreys billed Medicare for 126 services in 2024, and Caroline Humphreys accepts Medicare assignment.

What is Caroline Haven Humphreys' MIPS score?

Caroline Humphreys' MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Caroline Haven Humphreys see?

CMS counts 116 Medicare patients who saw Caroline Humphreys in 2024, with an average age of 69.

Show 6 more questionsShow fewer questions

Is Caroline Haven Humphreys board certified?

Yes. Caroline Humphreys is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Caroline Haven Humphreys bill to Medicare?

In 2024, Caroline Humphreys' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).

Where did Caroline Haven Humphreys go to medical school?

Caroline Humphreys graduated from Georgetown University School Of Medicine in 2017.

What drugs does Caroline Haven Humphreys prescribe most?

In 2022 Medicare Part D data, Caroline Humphreys' most prescribed drugs by claims were Cephalexin.

How long has Caroline Haven Humphreys been practicing?

Caroline Humphreys graduated from medical school in 2017, 9 years ago.

What insurance does Caroline Haven Humphreys accept?

Caroline Humphreys is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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