Dr. Carmi Santos Punzalan, MD

  • Burlington, MA
  • Gastroenterologist
NPI1053584037PAC ID6204005036
Medicare services, 2024
467
Medicare patients, 2024
263
Part D claims, 2024
1,345
Publications
4
Hospital affiliations
5
Practice address
41 & 45 Mall Road, Burlington, MA 01803
Practice phone
Call (781) 744-5100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lahey Clinic

Hospital · Burlington, Massachusetts

See all 6 affiliations

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Dr. Carmi Santos Punzalan is a gastroenterologist in Burlington, Massachusetts

Dr. Punzalan practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

Dr. Punzalan's NPI, 1053584037, was assigned on April 10, 2008. Dr. Punzalan graduated from Boston University School of Medicine in 2008. Dr. Punzalan holds Massachusetts license 262302.

NPI and contact details
Medicare PAC ID
6204005036
NPI enumeration date
April 10, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(781) 744-5100
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
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. Carmi Santos Punzalan practices at Lahey Clinic in Burlington, Massachusetts

Dr. Punzalan's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.

  • Lahey Clinic
    41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100

Source: Dmand AI Affiliation Data

Dr. Carmi Santos Punzalan is affiliated with 5 sites of care and 1 medical group

Dr. Punzalan's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Punzalan is also affiliated with Beverly Hospital. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Punzalan to 3 more hospitals, each named with a free account.

See all 6 affiliations for Dr. Punzalan

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

Dmand AI tracks the EHR system at Dr. Carmi Santos Punzalan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Punzalan practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lahey ClinicAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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. Carmi Santos Punzalan is one of 597 gastroenterologists in Massachusetts

Gastroenterology is Dr. Punzalan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Punzalan's licenses on file in 2 states: Massachusetts and California.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 262302 · taxonomy 207RG0100X
  • California licenseLicense A140736

Gastroenterologists near Dr. Punzalan

Counts of gastroenterologists 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. Carmi Santos Punzalan billed Medicare for 467 services in 2024

CMS data shows 467 Medicare services from Dr. Punzalan across 8 procedure codes in 2024, for 263 Medicare patients. Medicare paid $48,372 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024467
Medicare patients263
Paid by Medicare$48,372
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 3912024: 44414%
Other services
2023: 02024: 23

Dr. Punzalan compared with the Massachusetts median for gastroenterologists, 2024

  • Dr. Punzalan
  • Massachusetts median
Medicare services
467vs 51910% below
Medicare patients
263vs 34323% below
Part D claims
1,231vs 3004.1 times

Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Punzalan'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. Punzalan

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

Dr. Carmi Santos Punzalan treated 263 Medicare patients in 2024, average age 69

CMS counts 263 Medicare patients who saw Dr. Punzalan in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.29, 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. Punzalan's median patient age at 66, with 50% women.

Medicare patients, 2024263
Average age69
Average risk score2.29
Also on Medicaid28%

Dr. Punzalan's Medicare patients by age, 2024

Dr. Punzalan's Medicare patients by sex, 2024

  • Women13451%
  • Men12949%

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

  1. High blood pressure75%
  2. High cholesterol67%
  3. Chronic kidney disease46%
  4. Arthritis41%
  5. Mood disorders39%
  6. Diabetes38%
  7. Anxiety37%
  8. Depression31%

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

Dr. Punzalan's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Carmi Santos Punzalan wrote 1,345 Medicare Part D claims in 2024

In 2024, Dr. Punzalan wrote 1,345 Medicare Part D claims for 238 patients. 81% of them were for generic drugs. CMS names the drug for 1,231 of them, across 20 drugs with 11 or more claims each, at $905,088 in total drug cost. In 2023, CMS named 1,227 claims across 21 drugs.

Part D claims, 20241,345
Drugs named by CMS20
Total drug cost$905,088
Part D patients238

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

  • Generic1,090 claims81%
  • Brand-name255 claims19%

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

  • Antibiotics12%155 of 1,345 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: 1,2272024: 1,231No change

Drugs named by CMS: 20 in 2024, 21 in 2023.

See all prescribing by Dr. Punzalan

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. Carmi Santos Punzalan ranks in the 47th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Punzalan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Punzalan as offering telehealth. CMS counts 16 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Punzalan, more than 47% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Punzalan ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
47th percentile16 procedures
Colonoscopy
42nd percentile12 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)

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Dr. Carmi Santos Punzalan has 4 publications on record

Dmand AI links 4 papers to Dr. Punzalan, published from 2015 to 2021. 2015 was the busiest year, with 2. Dr. Punzalan's most frequent co-authors are Curtis Tran Barry, MD, Graham F. Barnard, MD and Adel Bozorgzadeh, MD.

Papers4
Years published2015 to 2021

Dr. Punzalan's papers by year, 2015 to 2021

Dr. Punzalan's most frequent co-authors

Recent publications by Dr. Punzalan

See all 4 publications and co-authors

See who Dr. Punzalan researches with

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

How network discovery works

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

Dr. Carmi Santos Punzalan received $15,193 in industry payments from 2016 to 2025

CMS Open Payments shows 40 general payments to Dr. Punzalan from 8 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 43% of the total. Madrigal Pharmaceuticals paid the most, $8,184.

General payments to Dr. Punzalan by program year, 2016 to 2025

General payments to Dr. Punzalan by kind, 2016 to 2025

$15.2Kin total
  • Consulting fees$6,52043%
  • Speaker and faculty fees$5,96939%
  • Food and beverage$1,61011%
  • Travel and lodging$1,0957%

Companies that paid Dr. Punzalan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Punzalan

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

Dr. Carmi Santos Punzalan graduated from Boston University School of Medicine

Dr. Punzalan graduated from Boston University School of Medicine in 2008.

  1. Medical schoolBoston University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Carmi Santos Punzalan'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)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. Carmi Santos Punzalan

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. Carmi Santos Punzalan's NPI number?

Dr. Carmi Santos Punzalan's NPI number is 1053584037. It was assigned on April 10, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Carmi Santos Punzalan?

Dr. Carmi Santos Punzalan is a gastroenterologist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Carmi Santos Punzalan practice?

Dr. Punzalan practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Punzalan's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Punzalan to 3 hospitals.

What is Dr. Carmi Santos Punzalan's office phone number?

The practice phone on file for Dr. Punzalan is (781) 744-5100.

What is Dr. Carmi Santos Punzalan's medical license number?

Dr. Punzalan holds Massachusetts license 262302, one of the licenses on file in 2 states.

Which states has Dr. Carmi Santos Punzalan been licensed in?

Dmand AI has state licenses on file for Dr. Punzalan in Massachusetts and California.

Which hospitals is Dr. Carmi Santos Punzalan affiliated with?

Dr. Punzalan practices at Lahey Clinic in Burlington, Massachusetts. Dr. Punzalan is also affiliated with Beverly Hospital. Dmand AI links Dr. Punzalan to 3 more hospitals.

What medical group is Dr. Carmi Santos Punzalan part of?

Dr. Punzalan is linked to Lahey Clinic.

Does Dr. Carmi Santos Punzalan accept Medicare?

Yes. CMS data shows Dr. Punzalan billed Medicare for 467 services in 2024, and Dr. Punzalan accepts Medicare assignment.

Does Dr. Carmi Santos Punzalan offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Carmi Santos Punzalan see?

CMS counts 263 Medicare patients who saw Dr. Punzalan in 2024, with an average age of 69.

What services does Dr. Carmi Santos Punzalan bill to Medicare?

In 2024, Dr. Punzalan's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99233) and hospital inpatient care (99223).

Where did Dr. Carmi Santos Punzalan go to medical school?

Dr. Punzalan graduated from Boston University School of Medicine in 2008.

What drugs does Dr. Carmi Santos Punzalan prescribe most?

In 2024 Medicare Part D data, Dr. Punzalan's most prescribed drugs by claims were Ursodiol, Xifaxan and Tacrolimus.

Has Dr. Carmi Santos Punzalan received payments from drug or device companies?

CMS Open Payments shows $15,193 in general payments to Dr. Punzalan from 8 companies from 2016 to 2025. The largest total came from Madrigal Pharmaceuticals.

How long has Dr. Carmi Santos Punzalan been practicing?

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

Does Dr. Carmi Santos Punzalan do research?

Dmand AI links 4 publications to Dr. Punzalan, published from 2015 to 2021.

Who does Dr. Carmi Santos Punzalan publish with?

Dr. Punzalan's most frequent co-authors are Curtis Tran Barry, MD (2 shared papers), Graham F. Barnard, MD (1 shared paper) and Adel Bozorgzadeh, MD (1 shared paper).

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