Dr. Daniel Nathan Berger, MD
- Medicare services, 2024
- 24,802
- Medicare patients, 2024
- 1,173
- Part D claims, 2024
- 7,206
- Hospital affiliations
- 5
- Industry payments
- $953,657
- Practice address
- 317 West Pueblo, Santa Barbara, CA 93105
- Practice phone
- Call (805) 681-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sansum Clinic
Surgery Center - Medicare-Certified · Santa Barbara, California
Find Dr. Berger'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. Daniel Nathan Berger is an endocrinologist in Santa Barbara, California
Dr. Berger practices at Sansum Clinic in Santa Barbara, California.
Dr. Berger's NPI, 1669407680, was assigned on July 11, 2006. Dr. Berger graduated from David Geffen School of Medicine at UCLA in 1992. Dr. Berger holds California license G79192.
- NPI
- 1669407680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486821832
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 681-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Nathan Berger practices at Sansum Clinic in Santa Barbara, California
Dr. Berger's primary practice is Sansum Clinic, at 317 West Pueblo, Santa Barbara, CA 93105. The practice phone is (805) 681-7500.
- Sansum Clinic317 West Pueblo, Santa Barbara, CA 93105Phone(805) 681-7500
Source: Dmand AI Affiliation Data
Dr. Daniel Nathan Berger is affiliated with 8 sites of care and 2 medical groups
Dr. Berger's primary practice is Sansum Clinic in Santa Barbara, California. Dr. Berger is also affiliated with Dignity Health - Marian Regional Medical Center. The medical group on file is Sansum Clinic. Dmand AI also links Dr. Berger to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Berger's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel Nathan Berger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Berger practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sansum Clinic | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel Nathan Berger is one of 1,062 endocrinologists in California
Endocrinology, diabetes and metabolism is Dr. Berger's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Berger is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Berger is licensed in California.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, diabetic emergency, enlarged thyroid, high cholesterol, hypercalcemia, osteoporosis, overactive thyroid and parathyroid gland disorder among the conditions Dr. Berger treats.
Endocrinologists near Dr. Berger
Counts of endocrinologists 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. Daniel Nathan Berger billed Medicare for 24,802 services in 2024
CMS data shows 24,802 Medicare services from Dr. Berger across 16 procedure codes in 2024, for 1,173 Medicare patients. Medicare paid $488,712 for them. Every service was in an office.
Dr. Berger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 22,6062024: 21,4175%
- Office and hospital visits
- 2023: 1,4792024: 1,4055%
- Tests and treatments
- 2023: 8612024: 8482%
- Other services
- 2023: 02024: 784
- Imaging
- 2023: 2702024: 33022%
- Lab and pathology
- 2023: 182024: 18No change
Dr. Berger compared with the California median for endocrinologists, 2024
- Dr. Berger
- California median
- Medicare services
- 24,802vs 67536.7 times
- Medicare patients
- 1,173vs 2404.9 times
- Part D claims
- 6,721vs 1,1046.1 times
Medians across 994 endocrinologists in California with Dmand AI profiles that report each measure.
Dr. Berger'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. Berger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Berger and other endocrinologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel Nathan Berger treated 1,173 Medicare patients in 2024, average age 75
CMS counts 1,173 Medicare patients who saw Dr. Berger in 2024. The largest group is 65 to 74, with 509 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Berger's median patient age at 73, with 67% women.
Dr. Berger's Medicare patients by age, 2024
Dr. Berger's Medicare patients by sex, 2024
- Women85273%
- Men32127%
Chronic conditions among Dr. Berger's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis51%
- Diabetes43%
- Osteoporosis39%
- Chronic kidney disease29%
- Mood disorders24%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Berger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Nathan Berger wrote 7,206 Medicare Part D claims in 2024
In 2024, Dr. Berger wrote 7,206 Medicare Part D claims for 918 patients. 49% of them were for generic drugs. CMS names the drug for 6,721 of them, across 89 drugs with 11 or more claims each, at $2,824,574 in total drug cost. In 2023, CMS named 6,790 claims across 88 drugs.
Dr. Berger's Part D claims by kind of drug, 2024
- Generic3,541 claims49%
- Brand-name3,316 claims46%
- Other349 claims5%
Dr. Berger'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. Berger's Part D claims, 2024
- Antibiotics0%15 of 7,206 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: 6,7902024: 6,7211%
Drugs named by CMS: 89 in 2024, 88 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. Daniel Nathan Berger offers telehealth to Medicare patients
Dr. Berger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Berger as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Daniel Nathan Berger received $953,657 in industry payments from 2016 to 2025
CMS Open Payments shows 1,614 general payments to Dr. Berger from 39 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 78% of the total. Novo Nordisk Inc paid the most, $376,231.
General payments to Dr. Berger by program year, 2016 to 2025
General payments to Dr. Berger by kind, 2016 to 2025
- Speaker and faculty fees$740,34578%
- Travel and lodging$73,3738%
- Compensation for serving as faculty or as a speaker for a medical education program$56,4216%
- Food and beverage$32,9773%
- Other$45,8525%
Companies that paid Dr. Berger 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. Daniel Nathan Berger has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Berger, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Berger
- 2013
- CMS Stage 1 EHR
- Top Doctors:LA Area
Source: Dmand AI Professional Profile Data
Dr. Daniel Nathan Berger graduated from David Geffen School of Medicine at UCLA
Dr. Berger graduated from David Geffen School of Medicine at UCLA in 1992. Dr. Berger is a member of AACE.
- Medical school
- Board certified in endocrinology, diabetes and metabolism
Source: Dmand AI Professional Profile Data
Dr. Daniel Nathan Berger accepts plans from 12 insurance carriers
Dr. Berger is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Berger accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Nathan Berger'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) |
| 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. Daniel Nathan Berger
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. Daniel Nathan Berger's NPI number?
Dr. Daniel Nathan Berger's NPI number is 1669407680. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Nathan Berger?
Dr. Daniel Nathan Berger is an endocrinologist in Santa Barbara, California. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Daniel Nathan Berger practice?
Dr. Berger practices at 317 West Pueblo, Santa Barbara, CA 93105. Dr. Berger's primary practice is Sansum Clinic in Santa Barbara, California. Dmand AI also links Dr. Berger to 4 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Daniel Nathan Berger's office phone number?
The practice phone on file for Dr. Berger is (805) 681-7500.
What is Dr. Daniel Nathan Berger's medical license number?
Dr. Berger holds California license G79192.
Which hospitals is Dr. Daniel Nathan Berger affiliated with?
Dr. Berger is affiliated with Dignity Health - Marian Regional Medical Center. Dmand AI links Dr. Berger to 4 more hospitals.
What medical group is Dr. Daniel Nathan Berger part of?
Dr. Berger is linked to Sansum Clinic. Dmand AI links Dr. Berger to 1 more medical group.
Does Dr. Daniel Nathan Berger accept Medicare?
Yes. CMS data shows Dr. Berger billed Medicare for 24,802 services in 2024, and Dr. Berger accepts Medicare assignment.
Does Dr. Daniel Nathan Berger offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Berger as offering telehealth services.
How many Medicare patients does Dr. Daniel Nathan Berger see?
CMS counts 1,173 Medicare patients who saw Dr. Berger in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Daniel Nathan Berger board certified?
Yes. Dr. Berger is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.
What services does Dr. Daniel Nathan Berger bill to Medicare?
In 2024, Dr. Berger's most billed Medicare services were injected or infused drug (J0897), injected or infused drug (J3111) and office visit, established patient (99214).
Where did Dr. Daniel Nathan Berger go to medical school?
Dr. Berger graduated from David Geffen School of Medicine at UCLA in 1992.
What drugs does Dr. Daniel Nathan Berger prescribe most?
In 2024 Medicare Part D data, Dr. Berger's most prescribed drugs by claims were Levothyroxine Sodium, Synthroid and Ozempic.
Has Dr. Daniel Nathan Berger received payments from drug or device companies?
CMS Open Payments shows $953,657 in general payments to Dr. Berger from 39 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Daniel Nathan Berger been practicing?
Dr. Berger graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Daniel Nathan Berger accept?
Dr. Berger is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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