Dr. Zoltan Buchwald, MD

  • Lawrence, MA
  • Emergency medicine physician
NPI1851898134PAC ID1759783145
Medicare services, 2024
258
Medicare patients, 2024
253
Part D claims, 2024
114
MIPS score, 2024
100
Hospital affiliations
4
Practice address
1 General St, Lawrence, MA 01841
Practice phone
Call (978) 683-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Merrimack Health Lawrence Hospital

Lawrence, Massachusetts

See all 7 affiliations

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Dr. Zoltan Buchwald is an emergency medicine physician in Lawrence, Massachusetts

Dr. Buchwald practices at Merrimack Health Lawrence Hospital in Lawrence, Massachusetts.

Dr. Buchwald's NPI, 1851898134, was assigned on April 12, 2018. Dr. Buchwald graduated from University of Miami, Lm Miller School of Medicine in 2018. Dr. Buchwald holds Massachusetts license 287104.

NPI and contact details
Medicare PAC ID
1759783145
NPI enumeration date
April 12, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(978) 683-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. Zoltan Buchwald practices at Merrimack Health Lawrence Hospital in Lawrence, Massachusetts

Dr. Buchwald's primary practice is Merrimack Health Lawrence Hospital, at 1 General St, Lawrence, MA 01841 in Essex County. The practice phone is (978) 683-4000.

  • Merrimack Health Lawrence Hospital
    1 General St, Lawrence, MA 01841 · Essex CountyPhone(978) 683-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Zoltan Buchwald is affiliated with 5 sites of care and 2 medical groups

Dr. Buchwald's primary practice is Merrimack Health Lawrence Hospital in Lawrence, Massachusetts. Dr. Buchwald is also affiliated with Merrimack Health Lawrence Hospital. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Buchwald to 3 more hospitals and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Buchwald

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Zoltan Buchwald's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buchwald practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Merrimack Health Lawrence HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Zoltan Buchwald is one of 1,483 emergency medicine physicians in Massachusetts

Emergency medicine is Dr. Buchwald's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Buchwald is licensed in Massachusetts.

Specialties and state licenses

  • Emergency medicine, MassachusettsPrimaryLicense 287104 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Buchwald

Counts of emergency medicine physicians 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. Zoltan Buchwald billed Medicare for 258 services in 2024

CMS data shows 258 Medicare services from Dr. Buchwald across 4 procedure codes in 2024, for 253 Medicare patients. Medicare paid $26,087 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024258
Medicare patients253
Paid by Medicare$26,087
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2632024: 2582%

Dr. Buchwald compared with the Massachusetts median for emergency medicine physicians, 2024

  • Dr. Buchwald
  • Massachusetts median
Medicare services
258vs 34124% below
Medicare patients
253vs 33725% below
Part D claims
32vs 3611% below

Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.

Dr. Buchwald'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. Buchwald

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

Dr. Zoltan Buchwald treated 253 Medicare patients in 2024, average age 70

CMS counts 253 Medicare patients who saw Dr. Buchwald in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 52% are also on Medicaid. Their average risk score is 2.03, 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. Buchwald's median patient age at 54, with 51% women.

Medicare patients, 2024253
Average age70
Average risk score2.03
Also on Medicaid52%

Dr. Buchwald's Medicare patients by age, 2024

Dr. Buchwald's Medicare patients by sex, 2024

  • Women13553%
  • Men11847%

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

  1. High blood pressure75%
  2. High cholesterol70%
  3. Mood disorders57%
  4. Anxiety56%
  5. Arthritis52%
  6. Depression50%
  7. Ischemic heart disease40%
  8. Diabetes37%

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

Dr. Buchwald's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women51%
  • Men48%

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

Dr. Zoltan Buchwald wrote 114 Medicare Part D claims in 2024

In 2024, Dr. Buchwald wrote 114 Medicare Part D claims for 78 patients. 89% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $183 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024114
Drugs named by CMS2
Total drug cost$183
Part D patients78

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

  • Generic102 claims89%
  • Brand-name12 claims11%

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

  • Antibiotics19%22 of 114 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: 112024: 32191%

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

See all prescribing by Dr. Buchwald

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. Zoltan Buchwald 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. Buchwald for performance year 2024, reported through an alternative payment model (APM). Dr. Buchwald accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Buchwald's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

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

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Dr. Zoltan Buchwald graduated from University of Miami, Lm Miller School of Medicine

Dr. Buchwald graduated from University of Miami, Lm Miller School of Medicine in 2018.

  1. Medical schoolUniversity of Miami, Lm Miller School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Zoltan Buchwald'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Zoltan Buchwald

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. Zoltan Buchwald's NPI number?

Dr. Zoltan Buchwald's NPI number is 1851898134. It was assigned on April 12, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Zoltan Buchwald?

Dr. Zoltan Buchwald is an emergency medicine physician in Lawrence, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Zoltan Buchwald practice?

Dr. Buchwald practices at 1 General St, Lawrence, MA 01841. Dr. Buchwald's primary practice is Merrimack Health Lawrence Hospital in Lawrence, Massachusetts. Dmand AI also links Dr. Buchwald to 3 hospitals and 1 medical group.

What is Dr. Zoltan Buchwald's office phone number?

The practice phone on file for Dr. Buchwald is (978) 683-4000.

What is Dr. Zoltan Buchwald's medical license number?

Dr. Buchwald holds Massachusetts license 287104.

Which hospitals is Dr. Zoltan Buchwald affiliated with?

Dr. Buchwald is affiliated with Merrimack Health Lawrence Hospital. Dmand AI links Dr. Buchwald to 3 more hospitals.

What medical group is Dr. Zoltan Buchwald part of?

Dr. Buchwald is linked to UMass Memorial Medical Group. Dmand AI links Dr. Buchwald to 1 more medical group.

Does Dr. Zoltan Buchwald accept Medicare?

Yes. CMS data shows Dr. Buchwald billed Medicare for 258 services in 2024, and Dr. Buchwald accepts Medicare assignment.

What is Dr. Zoltan Buchwald's MIPS score?

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

How many Medicare patients does Dr. Zoltan Buchwald see?

CMS counts 253 Medicare patients who saw Dr. Buchwald in 2024, with an average age of 70.

Show 4 more questionsShow fewer questions

What services does Dr. Zoltan Buchwald bill to Medicare?

In 2024, Dr. Buchwald's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).

Where did Dr. Zoltan Buchwald go to medical school?

Dr. Buchwald graduated from University of Miami, Lm Miller School of Medicine in 2018.

What drugs does Dr. Zoltan Buchwald prescribe most?

In 2024 Medicare Part D data, Dr. Buchwald's most prescribed drugs by claims were Ondansetron ODT and Naproxen.

How long has Dr. Zoltan Buchwald been practicing?

Dr. Buchwald graduated from medical school in 2018, 8 years ago.

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