Dr. Peter Ceglowski, MD

  • Cambridge, MA
  • Internist
NPI1831849884
Part D claims, 2024
363
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2022
Practice address
330 Mount Auburn Street, Cambridge, MA 02138
Practice phone
Call (617) 492-3500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Mount Auburn Hospital

Hospital · Cambridge, Massachusetts

Find Dr. Ceglowski'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.

View contacts for free

Dr. Peter Ceglowski is an internist in Cambridge, Massachusetts

Dr. Ceglowski practices at Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health.

Dr. Ceglowski's NPI, 1831849884, was assigned on March 24, 2022. Dr. Ceglowski holds Massachusetts license 1025202.

NPI and contact details
NPI enumeration date
March 24, 2022
NPI status
Active
Practice phone
(617) 492-3500
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)

Dr. Peter Ceglowski practices at Mount Auburn Hospital in Cambridge, Massachusetts

Dr. Ceglowski's primary practice is Mount Auburn Hospital, at 330 Mount Auburn Street, Cambridge, MA 02138 in Middlesex County. The practice phone is (617) 492-3500.

  • Mount Auburn Hospital
    330 Mount Auburn Street, Cambridge, MA 02138 · Middlesex CountyPhone(617) 492-3500

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Peter Ceglowski is affiliated with 1 site of care and 1 medical group

Dr. Ceglowski's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP).

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Peter Ceglowski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ceglowski practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Auburn HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ceglowski practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Peter Ceglowski is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Ceglowski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ceglowski is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 1025202 · taxonomy 207R00000X

Internists near Dr. Ceglowski

Counts of internists 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. Peter Ceglowski wrote 363 Medicare Part D claims in 2024

In 2024, Dr. Ceglowski wrote 363 Medicare Part D claims for 121 patients. 82% of them were for generic drugs. CMS names the drug for 132 of them, across 7 drugs with 11 or more claims each, at $10,533 in total drug cost.

Part D claims, 2024363
Drugs named by CMS7
Total drug cost$10,533
Part D patients121

Dr. Ceglowski's Part D claims by kind of drug, 2024

  • Generic296 claims82%
  • Brand-name67 claims18%

Dr. Ceglowski'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. Ceglowski's Part D claims, 2024

  • Opioids5%18 of 363 claims
  • Antibiotics6%20 of 363 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Ceglowski

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

For MedTech and pharma teams

Find internists like Dr. Ceglowski by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Sources for Dr. Peter Ceglowski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Part D prescribingMedicare 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)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Peter Ceglowski

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. Peter Ceglowski's NPI number?

Dr. Peter Ceglowski's NPI number is 1831849884. It was assigned on March 24, 2022, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter Ceglowski?

Dr. Peter Ceglowski is an internist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Peter Ceglowski practice?

Dr. Ceglowski practices at 330 Mount Auburn Street, Cambridge, MA 02138. Dr. Ceglowski's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health.

What is Dr. Peter Ceglowski's office phone number?

The practice phone on file for Dr. Ceglowski is (617) 492-3500.

What is Dr. Peter Ceglowski's medical license number?

Dr. Ceglowski holds Massachusetts license 1025202.

Which hospitals is Dr. Peter Ceglowski affiliated with?

Dr. Ceglowski practices at Mount Auburn Hospital in Cambridge, Massachusetts.

What medical group is Dr. Peter Ceglowski part of?

Dr. Ceglowski is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP).

What drugs does Dr. Peter Ceglowski prescribe most?

In 2024 Medicare Part D data, Dr. Ceglowski's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Lisinopril.

How long has Dr. Peter Ceglowski been practicing?

Dr. Ceglowski's NPI was assigned in 2022.

Selling to internal medicine practices?

See internists in Massachusetts 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)