Dr. Deena Neff, MD
- Medicare services, 2019
- 55
- Part D claims, 2024
- 14
- Hospital affiliations
- 1
- Medical groups
- 2
- Insurance carriers
- 7
- Practice address
- 2145 University Ave, Berkeley, CA 94704
- Practice phone
- Call (415) 578-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
One Medical Group
Berkeley, California
Find Dr. Neff'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. Deena Neff is a family medicine physician in Berkeley, California
Dr. Neff practices at One Medical Group in Berkeley, California.
Dr. Neff's NPI, 1770590002, was assigned on August 1, 2006. Dr. Neff graduated from Sidney Kimmel Medical College in 1991. Dr. Neff holds California license G76830.
- NPI
- 1770590002NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890799654
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 578-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Deena Neff practices at One Medical Group in Berkeley, California
Dr. Neff's primary practice is One Medical Group, at 2145 University Ave, Berkeley, CA 94704 in Alameda County. The practice phone is (415) 578-3100.
- One Medical Group2145 University Ave, Berkeley, CA 94704 · Alameda CountyPhone(415) 578-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Deena Neff is affiliated with 4 sites of care and 2 medical groups
Dr. Neff's primary practice is One Medical Group in Berkeley, California. Dr. Neff is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is One Medical. Dmand AI also links Dr. Neff to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Deena Neff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Neff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| One Medical Group | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deena Neff is one of 15,680 family medicine physicians in California
Family medicine is Dr. Neff's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Neff is board certified in family medicine by the American Board of Family Medicine. Dr. Neff is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Neff
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. Deena Neff billed Medicare for 55 services in 2019
CMS data shows 55 Medicare services from Dr. Neff across 2 procedure codes in 2019. Medicare paid $5,709 for them. Every service was in an office.
Dr. Neff's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 912019: 5540%
Dr. Neff compared with the California median for family medicine physicians, 2019
- Dr. Neff
- California median
- Medicare services
- 55vs 24678% below
- Part D claims
- 118vs 83386% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Neff's most billed Medicare procedure codes, 2019
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. Neff 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. Deena Neff's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Neff's median patient age at 49, with 54% women.
Dr. Neff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women54%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Deena Neff wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Neff wrote 14 Medicare Part D claims. 86% of them were for generic drugs. They cover 9 drugs, with $1,605 in total drug cost. In 2021, CMS named 82 claims across 6 drugs.
Dr. Neff's Part D claims by kind of drug, 2024
- Generic12 claims86%
- Brand-name and other2 claims14%
Dr. Neff's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 822022: 11844%
Drugs named by CMS: 9 in 2022, 6 in 2021.
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. Deena Neff offers telehealth to Medicare patients
Dr. Neff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Neff as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Deena Neff graduated from Sidney Kimmel Medical College
Dr. Neff graduated from Sidney Kimmel Medical College in 1991.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Deena Neff accepts plans from 7 insurance carriers
Dr. Neff is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Aetna
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Neff accepts, by number of carriers
- Medicare5
- PPO4
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Deena Neff'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data |
| 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) |
| 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. Deena Neff
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. Deena Neff's NPI number?
Dr. Deena Neff's NPI number is 1770590002. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Deena Neff?
Dr. Deena Neff is a family medicine physician in Berkeley, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Deena Neff practice?
Dr. Neff practices at 2145 University Ave, Berkeley, CA 94704. Dr. Neff's primary practice is One Medical Group in Berkeley, California. Dmand AI also links Dr. Neff to 2 group practices and clinics and 1 medical group.
What is Dr. Deena Neff's office phone number?
The practice phone on file for Dr. Neff is (415) 578-3100.
What is Dr. Deena Neff's medical license number?
Dr. Neff holds California license G76830.
Which hospitals is Dr. Deena Neff affiliated with?
Dr. Neff is affiliated with Alta Bates Summit Medical Center | Alta Bates Campus.
What medical group is Dr. Deena Neff part of?
Dr. Neff is linked to One Medical. Dmand AI links Dr. Neff to 1 more medical group.
Does Dr. Deena Neff accept Medicare?
Yes. CMS data shows Dr. Neff billed Medicare for 55 services in 2019, and Dr. Neff accepts Medicare assignment.
Does Dr. Deena Neff offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Neff as offering telehealth services.
Is Dr. Deena Neff board certified?
Yes. Dr. Neff is board certified in family medicine by the American Board of Family Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Deena Neff bill to Medicare?
In 2019, Dr. Neff's most billed Medicare services were medical service (99354) and office visit, established patient (99214).
Where did Dr. Deena Neff go to medical school?
Dr. Neff graduated from Sidney Kimmel Medical College in 1991.
What drugs does Dr. Deena Neff prescribe most?
In 2022 Medicare Part D data, Dr. Neff's most prescribed drugs by claims were Escitalopram Oxalate, Metoprolol Succinate and Quetiapine Fumarate.
How long has Dr. Deena Neff been practicing?
Dr. Neff graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Deena Neff accept?
Dr. Neff is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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