Proc Natl Acad Sci U S A
AntioxidantsApolipoproteins DApolipoproteins E
Dr. Darrow E. Haagensen Jr., MD, PhD
NPI1174622617PAC ID9739070590
- Medicare services, 2024
- 319
- Medicare patients, 2026
- 67
- Part D claims, 2026
- 274
- Publications
- 16
- Hospital affiliations
- 1
- Practice address
- 7500 Hospital Drive, Sacramento, CA 95823
- Practice phone
- Call (916) 423-6010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Haagensen'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. Darrow E. Haagensen Jr. is a general surgeon in Sacramento, California
Dr. Haagensen practices at Dignity Health - Methodist Hospital of Sacramento in Sacramento, California, part of CommonSpirit Health.
Dr. Haagensen's NPI, 1174622617, was assigned on September 21, 2006. Dr. Haagensen graduated from Vagelos College of Physicians and Surgeons in 1974. Dr. Haagensen holds California license 042830.
NPI and contact details
- NPI
- 1174622617NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739070590
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 423-6010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Darrow E. Haagensen Jr. practices at Dignity Health - Methodist Hospital of Sacramento in Sacramento, California
Dr. Haagensen's primary practice is Dignity Health - Methodist Hospital of Sacramento, at 7500 Hospital Drive, Sacramento, CA 95823 in Sacramento County. The practice phone is (916) 423-6010.
- Dignity Health - Methodist Hospital of Sacramento7500 Hospital Drive, Sacramento, CA 95823 · Sacramento CountyPhone(916) 423-6010
Source: Dmand AI Affiliation Data
Dr. Darrow E. Haagensen Jr. is affiliated with 2 sites of care
Dr. Haagensen's primary practice is Dignity Health - Methodist Hospital of Sacramento in Sacramento, California, part of CommonSpirit Health. Dmand AI also links Dr. Haagensen to 1 skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Darrow E. Haagensen Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haagensen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Methodist Hospital of Sacramento | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darrow E. Haagensen Jr. is one of 2,926 general surgeons in California
Surgery is Dr. Haagensen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Haagensen is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Haagensen's licenses on file in 3 states: California, Missouri and Massachusetts.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Missouri license
- Massachusetts license
Clinical focus
Dmand AI lists breast reconstruction and mastectomy among the conditions Dr. Haagensen treats.
General surgeons near Dr. Haagensen
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,926general surgeons in California111general surgeons in Sacramento3general surgeons at Dignity Health - Methodist Hospital of Sacramento
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Darrow E. Haagensen Jr. billed Medicare for 319 services in 2024
CMS data shows 319 Medicare services from Dr. Haagensen across 3 procedure codes in 2024, for 67 Medicare patients. Medicare paid $24,963 for them. Every service was in an office.
Medicare services, 2024319
Medicare patients67
Paid by Medicare$24,963
Procedure codes3
Dr. Haagensen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1552024: 11426%
- Office and hospital visits
- 2023: 1512024: 11226%
- Surgery
- 2023: 1242024: 9325%
Dr. Haagensen compared with the California median for general surgeons, 2024
- Dr. Haagensen
- California median
- Medicare services
- 319vs 16692% above
- Medicare patients
- 67vs 12145% below
- Part D claims
- 216vs 346.4 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Haagensen'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. Haagensen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Haagensen and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darrow E. Haagensen Jr. treated 67 Medicare patients in 2026, average age 76
CMS counts 67 Medicare patients who saw Dr. Haagensen in 2026. The largest group is 75 to 84, with 32 patients. 75% of them have cancer, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Haagensen's median patient age at 65, with 99% women.
Medicare patients, 202667
Average age76
Average risk score0.95
Dr. Haagensen's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Haagensen's Medicare patients, 2026
- Cancer75%
- High cholesterol75%
- High blood pressure73%
- Arthritis55%
- Diabetes33%
- Chronic kidney disease22%
- Ischemic heart disease16%
- Osteoporosis16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haagensen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Darrow E. Haagensen Jr. wrote 274 Medicare Part D claims in 2026
In 2026, Dr. Haagensen wrote 274 Medicare Part D claims for 62 patients. 91% of them were for generic drugs. CMS names the drug for 216 of them, across 4 drugs with 11 or more claims each, at $7,275 in total drug cost. In 2023, CMS named 271 claims across 5 drugs.
Part D claims, 2026274
Drugs named by CMS4
Total drug cost$7,275
Part D patients62
Dr. Haagensen's Part D claims by kind of drug, 2026
- Generic250 claims91%
- Brand-name24 claims9%
Dr. Haagensen'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. Haagensen's Part D claims, 2026
- Antibiotics4%12 of 274 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: 2712024: 21620%
Drugs named by CMS: 4 in 2024, 5 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), 2026 data
How Dr. Darrow E. Haagensen Jr. takes part in Medicare
Dr. Haagensen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Darrow E. Haagensen Jr. has 16 publications on record
Dmand AI links 16 papers to Dr. Haagensen in 2013. The most frequent topics are Carcinoembryonic Antigen, Apolipoproteins D and Adenocarcinoma. Dr. Haagensen has published most often in J Natl Cancer Inst. Dr. Haagensen's most frequent co-author is Charles E. Cox, MD.
Papers16
Topics Dr. Haagensen writes about most
- Carcinoembryonic Antigen
- Apolipoproteins D
- Adenocarcinoma
- Apolipoproteins
- Breast Neoplasms
- Carrier Proteins
- Fibrocystic Breast Disease
- Glycoproteins
Dr. Haagensen's most frequent co-authors
Recent publications by Dr. Haagensen
Breast Cancer Res Treat
Cross ReactionsFibrocystic Breast DiseaseHydrogen-Ion Concentration
J Natl Cancer Inst
Carcinoembryonic AntigenGorilla gorillaHaplorhini
See who Dr. Haagensen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Haagensen 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. Darrow E. Haagensen Jr. received $19 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Haagensen from 1 drug or device company in 2016. Education make up the largest share, 100% of the total. Amgen Inc. paid the most, $19.
Companies that paid Dr. Haagensen the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Darrow E. Haagensen Jr. has 1 award and honors on record
Dmand AI lists 1 award for Dr. Haagensen.
Awards and honors for Dr. Haagensen
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Darrow E. Haagensen Jr. graduated from Vagelos College of Physicians and Surgeons
Dr. Haagensen graduated from Vagelos College of Physicians and Surgeons in 1974. Dr. Haagensen is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Darrow E. Haagensen Jr. accepts plans from 15 insurance carriers
Dr. Haagensen is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Haagensen accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Darrow E. Haagensen Jr.'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) |
| 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) |
| 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. Darrow E. Haagensen Jr.
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. Darrow E. Haagensen Jr.'s NPI number?
Dr. Darrow E. Haagensen Jr.'s NPI number is 1174622617. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Darrow E. Haagensen Jr.?
Dr. Darrow E. Haagensen Jr. is a general surgeon in Sacramento, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Darrow E. Haagensen Jr. practice?
Dr. Haagensen practices at 7500 Hospital Drive, Sacramento, CA 95823. Dr. Haagensen's primary practice is Dignity Health - Methodist Hospital of Sacramento in Sacramento, California, part of CommonSpirit Health. Dmand AI also links Dr. Haagensen to 1 skilled nursing facility, and a free account names each one.
What is Dr. Darrow E. Haagensen Jr.'s office phone number?
The practice phone on file for Dr. Haagensen is (916) 423-6010. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Darrow E. Haagensen Jr.'s email address?
Dmand AI checks professional and personal email addresses for Dr. Haagensen through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Darrow E. Haagensen Jr.'s medical license number?
Dr. Haagensen holds California license 042830, one of the licenses on file in 3 states.
Which states has Dr. Darrow E. Haagensen Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Haagensen in California (1990 to 2026), Missouri (1986 to 2026) and Massachusetts (1981 to 2025).
Which hospitals is Dr. Darrow E. Haagensen Jr. affiliated with?
Dr. Haagensen practices at Dignity Health - Methodist Hospital of Sacramento in Sacramento, California.
Does Dr. Darrow E. Haagensen Jr. accept Medicare?
Yes. CMS data shows Dr. Haagensen billed Medicare for 319 services in 2024, and Dr. Haagensen accepts Medicare assignment.
How many Medicare patients does Dr. Darrow E. Haagensen Jr. see?
CMS counts 67 Medicare patients who saw Dr. Haagensen in 2026, with an average age of 76.
Show 10 more questionsShow fewer questions
Is Dr. Darrow E. Haagensen Jr. board certified?
Yes. Dr. Haagensen is board certified in surgery by the American Board of Surgery.
What services does Dr. Darrow E. Haagensen Jr. bill to Medicare?
In 2024, Dr. Haagensen's most billed Medicare services were ultrasound (76641), office visit, established patient (99215) and surgery: heart and blood vessels (36415).
Where did Dr. Darrow E. Haagensen Jr. go to medical school?
Dr. Haagensen graduated from Vagelos College of Physicians and Surgeons in 1974.
What drugs does Dr. Darrow E. Haagensen Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Haagensen's most prescribed drugs by claims were Anastrozole, Letrozole and Raloxifene HCl.
Has Dr. Darrow E. Haagensen Jr. received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Haagensen from 1 company from 2016 to 2016. The largest total came from Amgen Inc.
How long has Dr. Darrow E. Haagensen Jr. been practicing?
Dr. Haagensen graduated from medical school in 1974, 52 years ago.
Does Dr. Darrow E. Haagensen Jr. do research?
Dmand AI links 16 publications to Dr. Haagensen.
Who does Dr. Darrow E. Haagensen Jr. publish with?
Dr. Haagensen's most frequent co-authors are Charles E. Cox, MD (3 shared papers).
What EHR does Dr. Darrow E. Haagensen Jr.'s practice use?
Dmand AI tracks the EHR system at Dignity Health - Methodist Hospital of Sacramento and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Darrow E. Haagensen Jr. accept?
Dr. Haagensen is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.
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