Breast NeoplasmsIntraoperative CareMastectomy, Segmental
Dr. Jon Meredith Greif, DO
NPI1306958095
- Publications
- 5
- Industry payments
- $185
- Affiliated sites
- 1
- Insurance carriers
- 5
- State license
- 1
- Practice address
- 3300 Webster St, Oakland, CA 94609-3117
- Practice phone
- Call (510) 835-9900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bay Area Breast Surgeons, Inc.
Physician office · Oakland, California
Find Dr. Greif's professional email, personal email and mobile number
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Dr. Jon Meredith Greif is a general surgeon in Oakland, California
Dr. Greif practices at Bay Area Breast Surgeons, Inc. in Oakland, California.
Dr. Greif's NPI, 1306958095, was assigned on August 31, 2006. Dr. Greif graduated from Pcom in 1970. Dr. Greif's California license number on file is 20A4984.
NPI and contact details
- NPI
- 1306958095NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (510) 835-9900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jon Meredith Greif practices at Bay Area Breast Surgeons, Inc. in Oakland, California
Dr. Greif's primary practice is Bay Area Breast Surgeons, Inc., at 3300 Webster St, Oakland, CA 94609-3117. The practice phone is (510) 835-9900.
- Bay Area Breast Surgeons, Inc.3300 Webster St, Oakland, CA 94609-3117Phone(510) 835-9900
Source: Dmand AI Affiliation Data
Dr. Jon Meredith Greif is affiliated with 1 site of care
Dr. Greif's primary practice is Bay Area Breast Surgeons, Inc. in Oakland, California.
Bay Area Breast Surgeons, Inc.Primary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jon Meredith Greif's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greif practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bay Area Breast Surgeons, Inc. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jon Meredith Greif is one of 2,926 general surgeons in California
Surgery is Dr. Greif's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Greif has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Greif
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. Jon Meredith Greif has 5 publications on record
Dmand AI links 5 papers to Dr. Greif, published from 2012 to 2017. The most frequent topics are Breast Neoplasms, Carcinoma, Ductal, Breast and Lymphatic Metastasis. Dr. Greif has published most often in Ann Surg Oncol. Dr. Greif's most frequent co-authors are Lisa Bailey, MD, Christopher Mario Pezzi, MD and Andrea Marie Abbott, MD.
Papers5
Years published2012 to 2017
Dr. Greif's papers by year, 2012 to 2017
Topics Dr. Greif writes about most
- Breast Neoplasms
- Carcinoma, Ductal, Breast
- Lymphatic Metastasis
- Mastectomy, Segmental
- Neoplasm Grading
- Postoperative Complications
Dr. Greif's most frequent co-authors
- Lisa Bailey, MD2 shared papers
- Christopher Mario Pezzi, MD2 shared papers
- Andrea Marie Abbott, MD1 shared paper
Recent publications by Dr. Greif
Ann Surg Oncol
Antineoplastic AgentsBreast NeoplasmsCarcinoma, Adenoid Cystic
Breast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Lobular
Anti-Bacterial AgentsColonInfection Control
Abdominal MusclesAdenocarcinoma, MucinousColectomy
See who Dr. Greif researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greif 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. Jon Meredith Greif received $185 in industry payments from 2019 to 2020
CMS Open Payments shows 10 general payments to Dr. Greif from 8 drug and device companies from 2019 to 2020. Food and beverage make up the largest share, 100% of the total. Eisai Inc. paid the most, $40.
General payments to Dr. Greif by program year, 2019 to 2020
Companies that paid Dr. Greif the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jon Meredith Greif has 1 award and honors on record
Dmand AI lists 1 award for Dr. Greif.
Awards and honors for Dr. Greif
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Jon Meredith Greif graduated from Pcom
Dr. Greif graduated from Pcom in 1970. Dr. Greif is a member of ACS, AOA, ASBS and Pacific Coast Surgical Association.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Jon Meredith Greif accepts plans from 5 insurance carriers
Dr. Greif is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
Plan types Dr. Greif accepts, by number of carriers
- Medicare5
- PPO5
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jon Meredith Greif'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 Data |
| 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. Jon Meredith Greif
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. Jon Meredith Greif's NPI number?
Dr. Jon Meredith Greif's NPI number is 1306958095. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jon Meredith Greif?
Dr. Jon Meredith Greif is a general surgeon in Oakland, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jon Meredith Greif practice?
Dr. Greif practices at 3300 Webster St, Oakland, CA 94609-3117. Dr. Greif's primary practice is Bay Area Breast Surgeons, Inc. in Oakland, California.
What is Dr. Jon Meredith Greif's office phone number?
The practice phone on file for Dr. Greif is (510) 835-9900. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Jon Meredith Greif's email address?
Dmand AI checks professional and personal email addresses for Dr. Greif through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Jon Meredith Greif's medical license number?
Dr. Greif's California license number on file is 20A4984.
Where did Dr. Jon Meredith Greif go to medical school?
Dr. Greif graduated from Pcom in 1970.
Has Dr. Jon Meredith Greif received payments from drug or device companies?
CMS Open Payments shows $185 in general payments to Dr. Greif from 8 companies from 2019 to 2020. The largest total came from Eisai Inc.
How long has Dr. Jon Meredith Greif been practicing?
Dr. Greif graduated from medical school in 1970, 56 years ago.
Does Dr. Jon Meredith Greif do research?
Dmand AI links 5 publications to Dr. Greif, published from 2012 to 2017.
Show 3 more questionsShow fewer questions
Who does Dr. Jon Meredith Greif publish with?
Dr. Greif's most frequent co-authors are Lisa Bailey, MD (2 shared papers), Christopher Mario Pezzi, MD (2 shared papers) and Andrea Marie Abbott, MD (1 shared paper).
What EHR does Dr. Jon Meredith Greif's practice use?
Dmand AI tracks the EHR system at Bay Area Breast Surgeons, Inc. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Jon Meredith Greif accept?
Dr. Greif is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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