Dr. Larry R. Hess, MD
- Part D claims, 2021
- 27
- Hospital affiliations
- 2
- Industry payments
- $443
- Medical group
- 1
- Insurance carriers
- 5
- Practice address
- 18300 Roscoe Blvd, Northridge, CA 91325
- Practice phone
- Call (818) 885-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hess' 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. Larry R. Hess is an OB-GYN in Northridge, California
Dr. Hess practices at Dignity Health - Northridge Hospital Medical Center in Northridge, California, part of CommonSpirit Health.
Dr. Hess' NPI, 1467511089, was assigned on December 8, 2006. Dr. Hess graduated from UC Davis School of Medicine in 1985. Dr. Hess holds California license G64305.
- NPI
- 1467511089NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Practice phone
- (818) 885-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Larry R. Hess practices at Dignity Health - Northridge Hospital Medical Center in Northridge, California
Dr. Hess' primary practice is Dignity Health - Northridge Hospital Medical Center, at 18300 Roscoe Blvd, Northridge, CA 91325 in Los Angeles County. The practice phone is (818) 885-8500.
- Dignity Health - Northridge Hospital Medical Center18300 Roscoe Blvd, Northridge, CA 91325 · Los Angeles CountyPhone(818) 885-8500
Source: Dmand AI Affiliation Data
Dr. Larry R. Hess is affiliated with 2 sites of care and 1 medical group
Dr. Hess' primary practice is Dignity Health - Northridge Hospital Medical Center in Northridge, California, part of CommonSpirit Health. The medical group on file is Ob Hospitalist Group. Dmand AI also links Dr. Hess to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Larry R. Hess' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hess practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Northridge Hospital Medical Center | Available with a free account |
| +1 more affiliated site | 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 CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Larry R. Hess is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Hess' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Hess is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Hess' licenses on file in 4 states: California, Massachusetts, Arizona and Wisconsin.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Massachusetts license
- Arizona license
- Wisconsin license
OB-GYNs near Dr. Hess
Counts of OB-GYNs 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. Larry R. Hess' patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Hess' median patient age at 32, with 100% women.
Dr. Hess' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Larry R. Hess wrote 27 Medicare Part D claims in 2021
In 2021, Dr. Hess wrote 27 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $844 in total drug cost. In 2020, CMS named 22 claims across 1 drug.
Dr. Hess' most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 222021: 2723%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Larry R. Hess received $443 in industry payments from 2016 to 2024
CMS Open Payments shows 7 general payments to Dr. Hess from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $182.
General payments to Dr. Hess by program year, 2016 to 2024
Companies that paid Dr. Hess the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Larry R. Hess has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Hess, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Hess
- 2011
- CMS Stage 1 2012
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Larry R. Hess graduated from UC Davis School of Medicine
Dr. Hess graduated from UC Davis School of Medicine in 1985. Dr. Hess is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Larry R. Hess accepts plans from 5 insurance carriers
Dr. Hess is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- WI State Medicaid
Plan types Dr. Hess accepts, by number of carriers
- Medicare4
- PPO3
- HMO2
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Larry R. Hess'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Larry R. Hess
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. Larry R. Hess' NPI number?
Dr. Larry R. Hess' NPI number is 1467511089. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Larry R. Hess?
Dr. Larry R. Hess is an OB-GYN in Northridge, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Larry R. Hess practice?
Dr. Hess practices at 18300 Roscoe Blvd, Northridge, CA 91325. Dr. Hess' primary practice is Dignity Health - Northridge Hospital Medical Center in Northridge, California, part of CommonSpirit Health. Dmand AI also links Dr. Hess to 1 hospital.
What is Dr. Larry R. Hess' office phone number?
The practice phone on file for Dr. Hess is (818) 885-8500.
What is Dr. Larry R. Hess' medical license number?
Dr. Hess holds California license G64305, one of the licenses on file in 4 states.
Which states has Dr. Larry R. Hess been licensed in?
Dmand AI has state licenses on file for Dr. Hess in California (1988 to 2026), Massachusetts (2022 to 2025), Arizona (2022 to 2024) and Wisconsin (2022 to 2023).
Which hospitals is Dr. Larry R. Hess affiliated with?
Dr. Hess practices at Dignity Health - Northridge Hospital Medical Center in Northridge, California. Dmand AI links Dr. Hess to 1 more hospital.
What medical group is Dr. Larry R. Hess part of?
Dr. Hess is linked to Ob Hospitalist Group.
Is Dr. Larry R. Hess board certified?
Yes. Dr. Hess is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Larry R. Hess go to medical school?
Dr. Hess graduated from UC Davis School of Medicine in 1985.
Show 4 more questionsShow fewer questions
What drugs does Dr. Larry R. Hess prescribe most?
In 2021 Medicare Part D data, Dr. Hess' most prescribed drugs by claims were Estradiol.
Has Dr. Larry R. Hess received payments from drug or device companies?
CMS Open Payments shows $443 in general payments to Dr. Hess from 6 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Larry R. Hess been practicing?
Dr. Hess graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Larry R. Hess accept?
Dr. Hess is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
Selling to obstetrics and gynecology practices?
See OB-GYNs in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card