Dr. Jonathan B. C. Humphrey, MD
- Medicare services, 2024
- 14,347
- Medicare patients, 2024
- 815
- Part D claims, 2024
- 11,480
- MIPS score, 2024
- 91
- Hospital affiliations
- 4
- Practice address
- 2637 Shadelands Drive, Walnut Creek, CA 94598
- Practice phone
- Call (925) 329-3710
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
BASS Imaging Center - Walnut Creek
Mammography / Breast Imaging Center · Walnut Creek, California
Find Dr. Humphrey's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jonathan B. C. Humphrey is a family medicine physician in Walnut Creek, California
Dr. Humphrey practices at BASS Imaging Center - Walnut Creek in Walnut Creek, California.
Dr. Humphrey's NPI, 1689644866, was assigned on January 23, 2006. Dr. Humphrey graduated from UC San Diego School of Medicine in 1988. Dr. Humphrey holds California license G66292.
- NPI
- 1689644866NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224101480
- NPI enumeration date
- January 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 329-3710
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan B. C. Humphrey practices at BASS Imaging Center - Walnut Creek in Walnut Creek, California
Dr. Humphrey's primary practice is BASS Imaging Center - Walnut Creek, at 2637 Shadelands Drive, Walnut Creek, CA 94598. The practice phone is (925) 329-3710.
- BASS Imaging Center - Walnut Creek2637 Shadelands Drive, Walnut Creek, CA 94598Phone(925) 329-3710
Source: Dmand AI Affiliation Data
Dr. Jonathan B. C. Humphrey is affiliated with 11 sites of care and 1 medical group
Dr. Humphrey's primary practice is BASS Imaging Center - Walnut Creek in Walnut Creek, California. Dr. Humphrey is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is BASS Medical Group. Dmand AI also links Dr. Humphrey to 3 more hospitals, 5 home health agencies and 1 group practice or clinic, each named with a free account. Dr. Humphrey's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan B. C. Humphrey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Humphrey practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| BASS Imaging Center - Walnut Creek | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan B. C. Humphrey is one of 15,680 family medicine physicians in California
Family medicine is Dr. Humphrey's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Humphrey is board certified in family medicine by the American Board of Family Medicine. Dr. Humphrey is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute kidney failure, acute mini-stroke (TIA), acute sinusitis, acute skin infection, ADHD and adjustment disease among the conditions Dr. Humphrey treats.
Family medicine physicians near Dr. Humphrey
Counts of family 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. Jonathan B. C. Humphrey billed Medicare for 14,347 services in 2024
CMS data shows 14,347 Medicare services from Dr. Humphrey across 27 procedure codes in 2024, for 815 Medicare patients. Medicare paid $379,469 for them. Every service was in an office.
Dr. Humphrey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,7292024: 10,526123%
- Office and hospital visits
- 2023: 1,7792024: 1,8253%
- Other services
- 2023: 7212024: 83916%
- Lab and pathology
- 2023: 3892024: 46219%
- Tests and treatments
- 2023: 3142024: 40027%
- Surgery
- 2023: 1952024: 29551%
Dr. Humphrey compared with the California median for family medicine physicians, 2024
- Dr. Humphrey
- California median
- Medicare services
- 14,347vs 24658.3 times
- Medicare patients
- 815vs 1186.9 times
- Part D claims
- 10,393vs 83312.5 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Humphrey'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Humphrey and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan B. C. Humphrey treated 815 Medicare patients in 2024, average age 75
CMS counts 815 Medicare patients who saw Dr. Humphrey in 2024. The largest group is 65 to 74, with 413 patients. 75% of them have high cholesterol, and 56% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Humphrey's median patient age at 66, with 51% women.
Dr. Humphrey's Medicare patients by age, 2024
Dr. Humphrey's Medicare patients by sex, 2024
- Women37546%
- Men44054%
Chronic conditions among Dr. Humphrey's Medicare patients, 2024
- High cholesterol75%
- High blood pressure56%
- Arthritis39%
- Ischemic heart disease25%
- Anxiety16%
- Atrial fibrillation16%
- Cancer16%
- Chronic kidney disease14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Humphrey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan B. C. Humphrey wrote 11,480 Medicare Part D claims in 2024
In 2024, Dr. Humphrey wrote 11,480 Medicare Part D claims for 2,043 patients. 83% of them were for generic drugs. CMS names the drug for 10,393 of them, across 178 drugs with 11 or more claims each, at $1,036,929 in total drug cost. In 2023, CMS named 9,516 claims across 168 drugs.
Dr. Humphrey's Part D claims by kind of drug, 2024
- Generic9,570 claims83%
- Brand-name1,869 claims16%
- Other41 claims0%
Dr. Humphrey'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. Humphrey's Part D claims, 2024
- Opioids2%237 of 11,480 claims
- Antibiotics3%314 of 11,480 claims
- Antipsychotics, patients 65 and over2%194 of 11,480 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: 9,5162024: 10,3939%
Drugs named by CMS: 178 in 2024, 168 in 2023.
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
Dr. Jonathan B. C. Humphrey scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Humphrey for performance year 2024, reported through an alternative payment model (APM). Dr. Humphrey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Humphrey as offering telehealth. CMS counts 81 procedures of removal of skin lesions by Dr. Humphrey, more than 74% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Humphrey's MIPS scores, performance year 2024
- 91of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Humphrey ranks in Medicare procedure volume
- Removal of skin lesions
- 74th percentile81 procedures
- Removal or shaving of skin growth
- 67th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jonathan B. C. Humphrey received $26,246 in industry payments from 2016 to 2025
CMS Open Payments shows 1,505 general payments to Dr. Humphrey from 107 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Pfizer Inc. paid the most, $2,114.
General payments to Dr. Humphrey by program year, 2016 to 2025
General payments to Dr. Humphrey by kind, 2016 to 2025
- Food and beverage$26,10499%
- Education$1421%
Companies that paid Dr. Humphrey the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan B. C. Humphrey has 1 award and honors on record
Dmand AI lists 1 award for Dr. Humphrey, most recently CMS Stage 1 EHR in 2014.
Awards and honors for Dr. Humphrey
- 2014
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Jonathan B. C. Humphrey graduated from UC San Diego School of Medicine
Dr. Humphrey graduated from UC San Diego School of Medicine in 1988.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Jonathan B. C. Humphrey accepts plans from 8 insurance carriers
Dr. Humphrey is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
Plan types Dr. Humphrey accepts, by number of carriers
- Medicare8
- PPO7
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jonathan B. C. Humphrey's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan B. C. Humphrey
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. Jonathan B. C. Humphrey's NPI number?
Dr. Jonathan B. C. Humphrey's NPI number is 1689644866. It was assigned on January 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan B. C. Humphrey?
Dr. Jonathan B. C. Humphrey is a family medicine physician in Walnut Creek, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Jonathan B. C. Humphrey practice?
Dr. Humphrey practices at 2637 Shadelands Drive, Walnut Creek, CA 94598. Dr. Humphrey's primary practice is BASS Imaging Center - Walnut Creek in Walnut Creek, California. Dmand AI also links Dr. Humphrey to 3 hospitals, 5 home health agencies and 1 group practice or clinic.
What is Dr. Jonathan B. C. Humphrey's office phone number?
The practice phone on file for Dr. Humphrey is (925) 329-3710.
What is Dr. Jonathan B. C. Humphrey's medical license number?
Dr. Humphrey holds California license G66292.
Which hospitals is Dr. Jonathan B. C. Humphrey affiliated with?
Dr. Humphrey is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Humphrey to 3 more hospitals.
What medical group is Dr. Jonathan B. C. Humphrey part of?
Dr. Humphrey is linked to BASS Medical Group.
Does Dr. Jonathan B. C. Humphrey accept Medicare?
Yes. CMS data shows Dr. Humphrey billed Medicare for 14,347 services in 2024, and Dr. Humphrey accepts Medicare assignment.
Does Dr. Jonathan B. C. Humphrey offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Humphrey as offering telehealth services.
What is Dr. Jonathan B. C. Humphrey's MIPS score?
Dr. Humphrey's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Jonathan B. C. Humphrey see?
CMS counts 815 Medicare patients who saw Dr. Humphrey in 2024, with an average age of 75.
Is Dr. Jonathan B. C. Humphrey board certified?
Yes. Dr. Humphrey is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Jonathan B. C. Humphrey bill to Medicare?
In 2024, Dr. Humphrey's most billed Medicare services were injected or infused drug (J1306), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Jonathan B. C. Humphrey go to medical school?
Dr. Humphrey graduated from UC San Diego School of Medicine in 1988.
What drugs does Dr. Jonathan B. C. Humphrey prescribe most?
In 2024 Medicare Part D data, Dr. Humphrey's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Jonathan B. C. Humphrey received payments from drug or device companies?
CMS Open Payments shows $26,246 in general payments to Dr. Humphrey from 107 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Jonathan B. C. Humphrey been practicing?
Dr. Humphrey graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Jonathan B. C. Humphrey accept?
Dr. Humphrey is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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