Dr. Herschel Flax, MD
- Part D claims, 2019
- 12
- Publications
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9 E 63rd St, New York, NY 10021-7236
- Practice phone
- Call (212) 755-3833
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Flax'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. Herschel Flax is a general surgeon in New York, New York
Dr. Flax practices in New York, New York.
Dr. Flax's NPI, 1295890986, was assigned on December 25, 2006. Dr. Flax graduated from University of Cape Town Faculty of Medicine in 1964. Dr. Flax holds New York license 124389.
- NPI
- 1295890986NPI Registry (opens in a new tab)
- NPI enumeration date
- December 25, 2006
- NPI status
- Active
- Practice phone
- (212) 755-3833
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Herschel Flax's practice address is in New York, New York
Dr. Flax's practice address in the NPI Registry is 9 E 63rd St, New York, NY 10021-7236. The practice phone is (212) 755-3833.
- NPI Registry address9 E 63rd St, New York, NY 10021-7236Phone(212) 755-3833
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Herschel Flax's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flax practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Flax's practice | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Herschel Flax is one of 1,604 general surgeons in New York
Surgery is Dr. Flax's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Flax is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Flax
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. Herschel Flax wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Flax wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $442 in total drug cost.
Dr. Flax's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Herschel Flax has 1 publication on record
Dmand AI links 1 paper to Dr. Flax in 2018. Dr. Flax's most frequent co-author is Mark A. Erlich, MD.
Dr. Flax's most frequent co-authors
Recent publications by Dr. Flax
See who Dr. Flax researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Flax 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. Herschel Flax graduated from University of Cape Town Faculty of Medicine
Dr. Flax graduated from University of Cape Town Faculty of Medicine in 1964.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Herschel Flax'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Herschel Flax
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. Herschel Flax's NPI number?
Dr. Herschel Flax's NPI number is 1295890986. It was assigned on December 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Herschel Flax?
Dr. Herschel Flax is a general surgeon in New York, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Herschel Flax practice?
Dr. Flax practices at 9 E 63rd St, New York, NY 10021-7236.
What is Dr. Herschel Flax's office phone number?
The practice phone on file for Dr. Flax is (212) 755-3833.
What is Dr. Herschel Flax's medical license number?
Dr. Flax holds New York license 124389.
Where did Dr. Herschel Flax go to medical school?
Dr. Flax graduated from University of Cape Town Faculty of Medicine in 1964.
What drugs does Dr. Herschel Flax prescribe most?
In 2019 Medicare Part D data, Dr. Flax's most prescribed drugs by claims were Valsartan.
How long has Dr. Herschel Flax been practicing?
Dr. Flax graduated from medical school in 1964, 62 years ago.
Does Dr. Herschel Flax do research?
Dmand AI links 1 publication to Dr. Flax.
Who does Dr. Herschel Flax publish with?
Dr. Flax's most frequent co-authors are Mark A. Erlich, MD (1 shared paper).
Selling to surgery practices?
See general surgeons in New York 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