Daniel B. Stiefel, DMD
- Part D claims, 2024
- 812
- Industry payments
- $26
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 50 Staniford St, Boston, MA 02114-2517
- Practice phone
- Call (617) 523-6633
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Anjum A Ansari
Dental practice · Boston, Massachusetts
Find Daniel Stiefel's professional email, personal email and mobile number
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Daniel B. Stiefel is a periodontist in Boston, Massachusetts
Daniel Stiefel practices at Anjum A Ansari in Boston, Massachusetts.
Daniel Stiefel's NPI, 1356547566, was assigned on June 25, 2007. Daniel Stiefel holds Massachusetts license 20863.
- NPI
- 1356547566NPI Registry (opens in a new tab)
- NPI enumeration date
- June 25, 2007
- NPI status
- Active
- Practice phone
- (617) 523-6633
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel B. Stiefel practices at 2 locations in Boston, Massachusetts
Daniel Stiefel's primary practice is Anjum A Ansari, at 50 Staniford St, Boston, MA 02114-2517. The practice phone is (617) 523-6633. The NPI Registry lists Daniel Stiefel's practice address as 1 Kneeland St, Boston, MA 02111.
- Anjum A AnsariPrimary50 Staniford St, Boston, MA 02114-2517Phone(617) 523-6633
- NPI Registry address1 Kneeland St, Boston, MA 02111 · Suffolk County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Daniel B. Stiefel is affiliated with 1 site of care and 1 medical group
Daniel Stiefel's primary practice is Anjum A Ansari in Boston, Massachusetts. Dmand AI also links Daniel Stiefel to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Daniel B. Stiefel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Stiefel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Anjum A Ansari | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel B. Stiefel is one of 143 periodontists in Massachusetts
Periodontics is Daniel Stiefel's primary specialty in the NPI Registry, under taxonomy code 1223P0300X. Daniel Stiefel is licensed in Massachusetts.
Specialties and state licenses
- Periodontist, MassachusettsPrimary
Periodontists near Daniel Stiefel
Counts of periodontists 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
Daniel B. Stiefel's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Daniel Stiefel's median patient age at 64, with 75% women.
Daniel Stiefel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Daniel B. Stiefel wrote 812 Medicare Part D claims in 2024
In 2024, Daniel Stiefel wrote 812 Medicare Part D claims for 228 patients. 100% of them were for generic drugs.
Daniel Stiefel's Part D claims by kind of drug, 2024
- Generic810 claims100%
- Brand-name and other2 claims0%
Drug classes CMS tracks in Daniel Stiefel's Part D claims, 2024
- Opioids17%134 of 812 claims
- Antibiotics38%312 of 812 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Daniel B. Stiefel received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Daniel Stiefel from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $26.
Companies that paid Daniel Stiefel the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Daniel B. Stiefel'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Daniel B. Stiefel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel B. Stiefel's NPI number?
Daniel B. Stiefel's NPI number is 1356547566. It was assigned on June 25, 2007, and it is active in the NPI Registry.
What does Daniel B. Stiefel specialize in?
Daniel B. Stiefel is a periodontist in Boston, Massachusetts. The primary specialty in the NPI Registry is Periodontist (taxonomy code 1223P0300X).
Where does Daniel B. Stiefel practice?
Daniel Stiefel practices at 50 Staniford St, Boston, MA 02114-2517. Daniel Stiefel also practices at 1 Kneeland St, Boston, MA 02111. Daniel Stiefel's primary practice is Anjum A Ansari in Boston, Massachusetts. Dmand AI also links Daniel Stiefel to 1 medical group.
What is Daniel B. Stiefel's office phone number?
The practice phone on file for Daniel Stiefel is (617) 523-6633.
What is Daniel B. Stiefel's medical license number?
Daniel Stiefel holds Massachusetts license 20863.
Has Daniel B. Stiefel received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Daniel Stiefel from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Daniel B. Stiefel been practicing?
Daniel Stiefel's NPI was assigned in 2007.
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