Dr. Peter B. McWhorter, MD

  • Greenwich, CT
  • General surgeon
NPI1730349069PAC ID4082926183
Medicare services, 2024
395
Medicare patients, 2024
173
Part D claims, 2024
55
Publications
3
MIPS score, 2024
100
Practice address
5 Perryridge Rd, Greenwich, CT 06830
Practice phone
Call (203) 863-3000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Greenwich Hospital

Hospital · Greenwich, Connecticut

See all 4 affiliations

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Dr. Peter B. McWhorter is a general surgeon in Greenwich, Connecticut

Dr. McWhorter practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.

Dr. McWhorter's NPI, 1730349069, was assigned on June 10, 2008. Dr. McWhorter graduated from Cleveland Medical College, Homeopathic in 2008. Dr. McWhorter's New York license number on file is 262548-1.

NPI and contact details
Medicare PAC ID
4082926183
NPI enumeration date
June 10, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 863-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Peter B. McWhorter practices at Greenwich Hospital in Greenwich, Connecticut

Dr. McWhorter's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.

  • Greenwich Hospital
    5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000

Source: Dmand AI Affiliation Data

Dr. Peter B. McWhorter is affiliated with 2 sites of care and 2 medical groups

Dr. McWhorter's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. The medical group on file is Northeast Medical Group. Dmand AI also links Dr. McWhorter to 1 more home health agency and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. McWhorter

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McWhorter practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Greenwich HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Peter B. McWhorter is one of 303 general surgeons in Connecticut

Surgery is Dr. McWhorter's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. McWhorter is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. McWhorter's licenses on file in 2 states: New York and Connecticut.

Specialties and state licenses

  • Surgery, New YorkPrimaryLicense 262548-1 · 2011 to 2016 · taxonomy 208600000X
  • Connecticut license2015 to 2026

Clinical focus

Dmand AI lists abdominal adhesion surgery, appendectomy, colon removal, gallbladder removal, gastrointestinal obstruction, groin hernia surgery, hemorrhoids and intestinal or bowel obstruction among the conditions Dr. McWhorter treats.

General surgeons near Dr. McWhorter

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. Peter B. McWhorter billed Medicare for 395 services in 2024

CMS data shows 395 Medicare services from Dr. McWhorter across 14 procedure codes in 2024, for 173 Medicare patients. Medicare paid $46,791 for them.

Medicare services, 2024395
Medicare patients173
Paid by Medicare$46,791
Procedure codes14

Dr. McWhorter's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3382024: 27419%
Surgery
2023: 932024: 941%
Other services
2023: 02024: 27

Where Dr. McWhorter's Medicare services took place, 2024

  • In an office25966%
  • In a facility13634%

Dr. McWhorter compared with the Connecticut median for general surgeons, 2024

  • Dr. McWhorter
  • Connecticut median
Medicare services
395vs 1093.6 times
Medicare patients
173vs 9582% above
Part D claims
24vs 25Close to median

Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.

Dr. McWhorter's most billed Medicare procedure codes, 2024

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. McWhorter

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

Dr. Peter B. McWhorter treated 173 Medicare patients in 2024, average age 77

CMS counts 173 Medicare patients who saw Dr. McWhorter in 2024. The largest group is 75 to 84, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. McWhorter's median patient age at 64, with 52% women.

Medicare patients, 2024173
Average age77
Average risk score1.51
Also on Medicaid9%

Dr. McWhorter's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. McWhorter's Medicare patients by sex, 2024

  • Women8750%
  • Men8650%

Chronic conditions among Dr. McWhorter's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Anxiety42%
  5. Cancer34%
  6. Mood disorders34%
  7. Depression31%
  8. Atrial fibrillation29%

Share of Medicare patients with each condition. A patient can have several.

Dr. McWhorter'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

  • Women52%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Peter B. McWhorter wrote 55 Medicare Part D claims in 2024

In 2024, Dr. McWhorter wrote 55 Medicare Part D claims for 28 patients. 98% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $115 in total drug cost. In 2023, CMS named 38 claims across 3 drugs.

Part D claims, 202455
Drugs named by CMS2
Total drug cost$115
Part D patients28

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

  • Generic54 claims98%
  • Brand-name and other1 claims2%

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

  • Antibiotics51%28 of 55 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 382024: 2437%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. McWhorter

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. Peter B. McWhorter scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. McWhorter for performance year 2024, reported through an alternative payment model (APM). Dr. McWhorter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 50 procedures of colonoscopy by Dr. McWhorter, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. McWhorter's MIPS scores, performance year 2024

  • 100of 100Final score
  • 86.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. McWhorter ranks in Medicare procedure volume

Colonoscopy
64th percentile50 procedures

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

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Peter B. McWhorter has 3 publications on record

Dmand AI links 3 papers to Dr. McWhorter, published from 2012 to 2022. Dr. McWhorter's most frequent co-authors are Alexander Abdurakhmanov, MD, Cheguevara I. Afaneh, MD and Madhu C. Bhaskaran, MD.

Papers3
Years published2012 to 2022

Dr. McWhorter's most frequent co-authors

Recent publications by Dr. McWhorter

See all 3 publications and co-authors

See who Dr. McWhorter researches with

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

How network discovery works

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

Dr. Peter B. McWhorter received $3,861 in industry payments from 2016 to 2021

CMS Open Payments shows 28 general payments to Dr. McWhorter from 2 drug and device companies from 2016 to 2021. Travel and lodging make up the largest share, 81% of the total. Intuitive Surgical, Inc. paid the most, $3,732.

General payments to Dr. McWhorter by program year, 2016 to 2021

General payments to Dr. McWhorter by kind, 2016 to 2021

$3.9Kin total
  • Travel and lodging$3,11181%
  • Food and beverage$75019%

Companies that paid Dr. McWhorter the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. McWhorter

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

Dr. Peter B. McWhorter has 1 award and honors on record

Dmand AI lists 1 award for Dr. McWhorter.

Awards and honors for Dr. McWhorter

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Peter B. McWhorter graduated from Cleveland Medical College, Homeopathic

Dr. McWhorter graduated from Cleveland Medical College, Homeopathic in 2008. Dr. McWhorter is a member of ACS.

  1. Medical schoolCleveland Medical College, Homeopathic
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery
  4. Board certified in surgical critical careAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Peter B. McWhorter accepts plans from 14 insurance carriers

Dr. McWhorter is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Cigna
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +6 more carriersWith a free account

Plan types Dr. McWhorter accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO8
  4. POS5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Peter B. McWhorter'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Peter B. McWhorter

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 B. McWhorter's NPI number?

Dr. Peter B. McWhorter's NPI number is 1730349069. It was assigned on June 10, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter B. McWhorter?

Dr. Peter B. McWhorter is a general surgeon in Greenwich, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Peter B. McWhorter practice?

Dr. McWhorter practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. McWhorter's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System. Dmand AI also links Dr. McWhorter to 1 home health agency and 1 medical group.

What is Dr. Peter B. McWhorter's office phone number?

The practice phone on file for Dr. McWhorter is (203) 863-3000.

What is Dr. Peter B. McWhorter's medical license number?

Dr. McWhorter's New York license number on file is 262548-1, one of the licenses on file in 2 states.

Which states has Dr. Peter B. McWhorter been licensed in?

Dmand AI has state licenses on file for Dr. McWhorter in New York (2011 to 2016) and Connecticut (2015 to 2026).

Which hospitals is Dr. Peter B. McWhorter affiliated with?

Dr. McWhorter practices at Greenwich Hospital in Greenwich, Connecticut.

What medical group is Dr. Peter B. McWhorter part of?

Dr. McWhorter is linked to Northeast Medical Group. Dmand AI links Dr. McWhorter to 1 more medical group.

Does Dr. Peter B. McWhorter accept Medicare?

Yes. CMS data shows Dr. McWhorter billed Medicare for 395 services in 2024, and Dr. McWhorter accepts Medicare assignment.

What is Dr. Peter B. McWhorter's MIPS score?

Dr. McWhorter's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Peter B. McWhorter see?

CMS counts 173 Medicare patients who saw Dr. McWhorter in 2024, with an average age of 77.

Is Dr. Peter B. McWhorter board certified?

Yes. Dr. McWhorter is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Peter B. McWhorter bill to Medicare?

In 2024, Dr. McWhorter's most billed Medicare services were surgery: digestive system (45300), office visit, established patient (99215) and hospital inpatient care (99232).

Where did Dr. Peter B. McWhorter go to medical school?

Dr. McWhorter graduated from Cleveland Medical College, Homeopathic in 2008.

What drugs does Dr. Peter B. McWhorter prescribe most?

In 2024 Medicare Part D data, Dr. McWhorter's most prescribed drugs by claims were Metronidazole and Neomycin Sulfate.

Has Dr. Peter B. McWhorter received payments from drug or device companies?

CMS Open Payments shows $3,861 in general payments to Dr. McWhorter from 2 companies from 2016 to 2021. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Peter B. McWhorter been practicing?

Dr. McWhorter graduated from medical school in 2008, 18 years ago.

Does Dr. Peter B. McWhorter do research?

Dmand AI links 3 publications to Dr. McWhorter, published from 2012 to 2022.

Who does Dr. Peter B. McWhorter publish with?

Dr. McWhorter's most frequent co-authors are Alexander Abdurakhmanov, MD (1 shared paper), Cheguevara I. Afaneh, MD (1 shared paper) and Madhu C. Bhaskaran, MD (1 shared paper).

What insurance does Dr. Peter B. McWhorter accept?

Dr. McWhorter is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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