Dr. Majid B. Kianmajd, DO
- Medicare services, 2024
- 566
- Medicare patients, 2024
- 263
- Part D claims, 2024
- 61
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 1200 B Gale Wilson Blvd, Fairfield, CA 94533
- Practice phone
- Call (707) 646-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kianmajd'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. Majid B. Kianmajd is a general surgeon in Fairfield, California
Dr. Kianmajd practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.
Dr. Kianmajd's NPI, 1396008389, was assigned on June 24, 2012. Dr. Kianmajd graduated from Touro University Nevada in 2012. Dr. Kianmajd's Texas license number on file is R4575.
- NPI
- 1396008389NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850661752
- NPI enumeration date
- June 24, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 646-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Majid B. Kianmajd practices at NorthBay Medical Center in Fairfield, California
Dr. Kianmajd's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.
- NorthBay Medical Center1200 B Gale Wilson Blvd, Fairfield, CA 94533 · Solano CountyPhone(707) 646-5000
Source: Dmand AI Affiliation Data
Dr. Majid B. Kianmajd is affiliated with 5 sites of care and 4 medical groups
Dr. Kianmajd's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. The medical group on file is NorthBay Medical Center. Dmand AI also links Dr. Kianmajd to 4 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Majid B. Kianmajd's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kianmajd practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NorthBay Medical Center | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across NorthBay Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Majid B. Kianmajd is one of 2,926 general surgeons in California
Surgery is Dr. Kianmajd's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kianmajd is board certified in surgery by the AOA Board of Surgery. Dmand AI has Dr. Kianmajd's licenses on file in 4 states: Texas, California, Nevada and New Jersey.
Specialties and state licenses
- Surgery, TexasPrimary
- California license
- Nevada license
- New Jersey license
Clinical focus
Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, appendectomy, bladder removal, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and groin hernia surgery among the conditions Dr. Kianmajd treats.
General surgeons near Dr. Kianmajd
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. Majid B. Kianmajd billed Medicare for 566 services in 2024
CMS data shows 566 Medicare services from Dr. Kianmajd across 9 procedure codes in 2024, for 263 Medicare patients. Medicare paid $59,458 for them.
Dr. Kianmajd's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5032024: 44512%
- Other services
- 2023: 982024: 1079%
- Surgery
- 2023: 122024: 1417%
Where Dr. Kianmajd's Medicare services took place, 2024
- In an office14125%
- In a facility42575%
Dr. Kianmajd compared with the California median for general surgeons, 2024
- Dr. Kianmajd
- California median
- Medicare services
- 566vs 1663.4 times
- Medicare patients
- 263vs 1212.2 times
- Part D claims
- 25vs 3426% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Kianmajd'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.
Need commercial claims for Dr. Kianmajd?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kianmajd and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Majid B. Kianmajd treated 263 Medicare patients in 2024, average age 72
CMS counts 263 Medicare patients who saw Dr. Kianmajd in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 53% are also on Medicaid. Their average risk score is 2.62, 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. Kianmajd's median patient age at 52, with 51% women.
Dr. Kianmajd's Medicare patients by age, 2024
Dr. Kianmajd's Medicare patients by sex, 2024
- Women14455%
- Men11945%
Chronic conditions among Dr. Kianmajd's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis46%
- Diabetes45%
- Chronic kidney disease44%
- Mood disorders37%
- Anxiety34%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kianmajd's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Majid B. Kianmajd wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Kianmajd wrote 61 Medicare Part D claims for 47 patients. 100% of them were for generic drugs. CMS names the drug for 25 of them, across 1 drug with 11 or more claims each, at $154 in total drug cost. In 2023, CMS named 20 claims across 1 drug.
Dr. Kianmajd'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. Kianmajd's Part D claims, 2024
- Opioids69%42 of 61 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: 202024: 2525%
Drugs named by CMS: 1 in 2024, 1 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. Majid B. Kianmajd ranks in the 72nd percentile for hernia repair (minimally invasive) in Medicare
Dr. Kianmajd accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of hernia repair (minimally invasive) by Dr. Kianmajd, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kianmajd ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 45th percentile14 procedures
- Hernia repair (minimally invasive)
- 72nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Majid B. Kianmajd has 2 publications on record
Dmand AI links 2 papers to Dr. Kianmajd, published from 2015 to 2022. Dr. Kianmajd's most frequent co-authors are Francesca Dileonardo, MD, James Espinosa, MD and William Robert Fulton, DO.
Dr. Kianmajd's most frequent co-authors
- Francesca Dileonardo, MD1 shared paper
- James Espinosa, MD1 shared paper
- William Robert Fulton, DO1 shared paper
Recent publications by Dr. Kianmajd
See who Dr. Kianmajd researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kianmajd works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Majid B. Kianmajd received $32,803 in industry payments from 2017 to 2025
CMS Open Payments shows 237 general payments to Dr. Kianmajd from 43 drug and device companies from 2017 to 2025. Education make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $20,352.
General payments to Dr. Kianmajd by program year, 2017 to 2025
General payments to Dr. Kianmajd by kind, 2017 to 2025
- Education$17,02052%
- Food and beverage$9,36529%
- Travel and lodging$6,32519%
- Speaker and faculty fees$930%
Companies that paid Dr. Kianmajd the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Majid B. Kianmajd graduated from Touro University Nevada
Dr. Kianmajd graduated from Touro University Nevada in 2012. Dr. Kianmajd is a member of AOA.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Majid B. Kianmajd accepts plans from 10 insurance carriers
Dr. Kianmajd is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Kianmajd accepts, by number of carriers
- Medicare8
- PPO7
- HMO4
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Majid B. Kianmajd'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Majid B. Kianmajd
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. Majid B. Kianmajd's NPI number?
Dr. Majid B. Kianmajd's NPI number is 1396008389. It was assigned on June 24, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Majid B. Kianmajd?
Dr. Majid B. Kianmajd is a general surgeon in Fairfield, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Majid B. Kianmajd practice?
Dr. Kianmajd practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. Dr. Kianmajd's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dmand AI also links Dr. Kianmajd to 4 group practices and clinics and 3 medical groups.
What is Dr. Majid B. Kianmajd's office phone number?
The practice phone on file for Dr. Kianmajd is (707) 646-5000.
What is Dr. Majid B. Kianmajd's medical license number?
Dr. Kianmajd's Texas license number on file is R4575, one of the licenses on file in 4 states.
Which states has Dr. Majid B. Kianmajd been licensed in?
Dmand AI has state licenses on file for Dr. Kianmajd in Texas (2017 to 2021), California (2019 to 2027), Nevada (2017 to 2020) and New Jersey (2013 to 2019).
Which hospitals is Dr. Majid B. Kianmajd affiliated with?
Dr. Kianmajd practices at NorthBay Medical Center in Fairfield, California.
What medical group is Dr. Majid B. Kianmajd part of?
Dr. Kianmajd is linked to NorthBay Medical Center. Dmand AI links Dr. Kianmajd to 3 more medical groups.
Does Dr. Majid B. Kianmajd accept Medicare?
Yes. CMS data shows Dr. Kianmajd billed Medicare for 566 services in 2024, and Dr. Kianmajd accepts Medicare assignment.
How many Medicare patients does Dr. Majid B. Kianmajd see?
CMS counts 263 Medicare patients who saw Dr. Kianmajd in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. Majid B. Kianmajd board certified?
Yes. Dr. Kianmajd is board certified in surgery by the AOA Board of Surgery.
What services does Dr. Majid B. Kianmajd bill to Medicare?
In 2024, Dr. Kianmajd's most billed Medicare services were hospital inpatient care (99233), medicare service (G0316) and hospital inpatient care (99223).
Where did Dr. Majid B. Kianmajd go to medical school?
Dr. Kianmajd graduated from Touro University Nevada in 2012.
What drugs does Dr. Majid B. Kianmajd prescribe most?
In 2024 Medicare Part D data, Dr. Kianmajd's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Majid B. Kianmajd received payments from drug or device companies?
CMS Open Payments shows $32,803 in general payments to Dr. Kianmajd from 43 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Majid B. Kianmajd been practicing?
Dr. Kianmajd graduated from medical school in 2012, 14 years ago.
Does Dr. Majid B. Kianmajd do research?
Dmand AI links 2 publications to Dr. Kianmajd, published from 2015 to 2022.
Who does Dr. Majid B. Kianmajd publish with?
Dr. Kianmajd's most frequent co-authors are Francesca Dileonardo, MD (1 shared paper), James Espinosa, MD (1 shared paper) and William Robert Fulton, DO (1 shared paper).
What insurance does Dr. Majid B. Kianmajd accept?
Dr. Kianmajd is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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