Dr. Graham S. Peigh, MD

  • Chicago, IL
  • Internist
NPI1629519061PAC ID1153665625
Medicare services, 2021
91
Part D claims, 2024
62
Publications
45
Hospital affiliations
5
Industry payments
$43,407
Practice address
251 E Huron St, Chicago, IL 60611
Practice phone
Call (312) 926-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Northwestern Memorial Hospital

Hospital · Chicago, Illinois

See all 7 affiliations

Find Dr. Peigh'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. Graham S. Peigh is an internist in Chicago, Illinois

Dr. Peigh practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.

Dr. Peigh's NPI, 1629519061, was assigned on March 18, 2017. Dr. Peigh graduated from Jefferson Medical College of Thomas Jefferson University in 2017. Dr. Peigh holds Illinois license 036152019.

NPI and contact details
Medicare PAC ID
1153665625
NPI enumeration date
March 18, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(312) 926-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Graham S. Peigh practices at Northwestern Memorial Hospital in Chicago, Illinois

Dr. Peigh's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.

Source: Dmand AI Affiliation Data

Dr. Graham S. Peigh is affiliated with 6 sites of care and 1 medical group

Dr. Peigh's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dr. Peigh is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Peigh to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Peigh

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Graham S. Peigh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peigh practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Memorial HospitalAvailable with a free account
+5 more affiliated sitesAvailable 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. Peigh practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Graham S. Peigh is one of 5,652 internists in Illinois

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

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 1629519061 · taxonomy 207R00000X

Internists near Dr. Peigh

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. Graham S. Peigh billed Medicare for 91 services in 2021

CMS data shows 91 Medicare services from Dr. Peigh across 2 procedure codes in 2021. Medicare paid $9,545 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202191
Paid by Medicare$9,545
Procedure codes2

Dr. Peigh's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 1552021: 9141%

Dr. Peigh compared with the Illinois median for internists, 2021

  • Dr. Peigh
  • Illinois median
Medicare services
91vs 56684% below
Part D claims
11vs 28496% below

Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.

Dr. Peigh's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Peigh

Need commercial claims for Dr. Peigh?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peigh and other internists in Illinois.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Graham S. Peigh's patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Dr. Peigh's median patient age at 71, with 46% women.

Dr. Peigh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women46%
  • Men53%

Source: Dmand AI Patient Panel Data

Dr. Graham S. Peigh wrote 62 Medicare Part D claims in 2024

In 2024, Dr. Peigh wrote 62 Medicare Part D claims for 27 patients. 71% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $12,645 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.

Part D claims, 202462
Drugs named by CMS1
Total drug cost$12,645
Part D patients27

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

  • Generic44 claims71%
  • Brand-name18 claims29%

Dr. Peigh'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 302024: 1163%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Peigh

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. Graham S. Peigh ranks in the 93rd percentile for pacemaker insertion or repair in Medicare

Dr. Peigh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Peigh as offering telehealth. CMS counts 63 procedures of pacemaker insertion or repair by Dr. Peigh, more than 93% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Peigh ranks in Medicare procedure volume

Pacemaker insertion or repair
93rd percentile63 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find internists like Dr. Peigh 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.

Dr. Graham S. Peigh has 45 publications on record

Dmand AI links 45 papers to Dr. Peigh, published from 2015 to 2025. 2023 was the busiest year, with 10. The most frequent topics are Atrial Fibrillation, Catheter Ablation and Cryosurgery. Dr. Peigh has published most often in J Interv Card Electrophysiol. Dr. Peigh's most frequent co-authors are Nishant Verma, MD, MPH, Susan S. Kim, MD and Jeremiah Wasserlauf, MD, MS.

Papers45
Years published2015 to 2025

Dr. Peigh's papers by year, 2015 to 2025

Topics Dr. Peigh writes about most

  • Atrial Fibrillation
  • Catheter Ablation
  • Cryosurgery
  • Defibrillators, Implantable
  • Pulmonary Veins
  • Electrocardiography
  • Heart Failure
  • Pacemaker, Artificial

Dr. Peigh's most frequent co-authors

Recent publications by Dr. Peigh

See all 45 publications and co-authors

See who Dr. Peigh researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Peigh works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Graham S. Peigh received $43,407 in industry payments from 2019 to 2025

CMS Open Payments shows 281 general payments to Dr. Peigh from 17 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 40% of the total. Philips Electronics North America Corporation paid the most, $12,116.

General payments to Dr. Peigh by program year, 2019 to 2025

General payments to Dr. Peigh by kind, 2019 to 2025

$43.4Kin total
  • Travel and lodging$17,53540%
  • Food and beverage$11,82927%
  • Grants$10,40024%
  • Speaker and faculty fees$3,4388%
  • Education$2060%

Companies that paid Dr. Peigh the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Peigh

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Graham S. Peigh graduated from Jefferson Medical College of Thomas Jefferson University

Dr. Peigh graduated from Jefferson Medical College of Thomas Jefferson University in 2017.

  1. Medical schoolJefferson Medical College of Thomas Jefferson University

Source: Dmand AI Professional Profile Data

Sources for Dr. Graham S. Peigh'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Graham S. Peigh

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. Graham S. Peigh's NPI number?

Dr. Graham S. Peigh's NPI number is 1629519061. It was assigned on March 18, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Graham S. Peigh?

Dr. Graham S. Peigh is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Graham S. Peigh practice?

Dr. Peigh practices at 251 E Huron St, Chicago, IL 60611. Dr. Peigh's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Peigh to 3 hospitals and 1 group practice or clinic.

What is Dr. Graham S. Peigh's office phone number?

The practice phone on file for Dr. Peigh is (312) 926-2000.

What is Dr. Graham S. Peigh's medical license number?

Dr. Peigh holds Illinois license 036152019.

Which hospitals is Dr. Graham S. Peigh affiliated with?

Dr. Peigh practices at Northwestern Memorial Hospital in Chicago, Illinois. Dr. Peigh is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Peigh to 3 more hospitals.

What medical group is Dr. Graham S. Peigh part of?

Dr. Peigh is linked to Northwestern Medical Faculty Foundation.

Does Dr. Graham S. Peigh accept Medicare?

Yes. CMS data shows Dr. Peigh billed Medicare for 91 services in 2021, and Dr. Peigh accepts Medicare assignment.

Does Dr. Graham S. Peigh offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Peigh as offering telehealth services.

What services does Dr. Graham S. Peigh bill to Medicare?

In 2021, Dr. Peigh's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).

Show 6 more questionsShow fewer questions

Where did Dr. Graham S. Peigh go to medical school?

Dr. Peigh graduated from Jefferson Medical College of Thomas Jefferson University in 2017.

What drugs does Dr. Graham S. Peigh prescribe most?

In 2024 Medicare Part D data, Dr. Peigh's most prescribed drugs by claims were Eliquis.

Has Dr. Graham S. Peigh received payments from drug or device companies?

CMS Open Payments shows $43,407 in general payments to Dr. Peigh from 17 companies from 2019 to 2025. The largest total came from Philips Electronics North America Corporation.

How long has Dr. Graham S. Peigh been practicing?

Dr. Peigh graduated from medical school in 2017, 9 years ago.

Does Dr. Graham S. Peigh do research?

Dmand AI links 45 publications to Dr. Peigh, published from 2015 to 2025.

Who does Dr. Graham S. Peigh publish with?

Dr. Peigh's most frequent co-authors are Nishant Verma, MD, MPH (16 shared papers), Susan S. Kim, MD (13 shared papers) and Jeremiah Wasserlauf, MD, MS (12 shared papers).

Selling to internal medicine practices?

See internists in Illinois 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)