Dr. Nathaniel Kratz, MD

  • New York, NY
  • Hospitalist
NPI1639532476PAC ID7012243702
Medicare services, 2024
42
Medicare patients, 2024
23
Part D claims, 2024
2,694
MIPS score, 2024
100
Hospital affiliations
1
Practice address
575 W 181st St, New York, NY 10033
Practice phone
Call (212) 342-5155
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Trustees of Columbia University in the City of New York

New York, New York

See all 4 affiliations

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Dr. Nathaniel Kratz is a hospitalist in New York, New York

Dr. Kratz practices at Trustees of Columbia University in the City of New York in New York, New York.

Dr. Kratz's NPI, 1639532476, was assigned on March 30, 2016. Dr. Kratz graduated from Escuela LatinoAmericana de Medicina in 2015. Dr. Kratz holds New York license 299476.

NPI and contact details
Medicare PAC ID
7012243702
NPI enumeration date
March 30, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 342-5155
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Nathaniel Kratz practices at Trustees of Columbia University in the City of New York in New York, New York

Dr. Kratz's primary practice is Trustees of Columbia University in the City of New York, at 575 W 181st St, New York, NY 10033 in New York County. The practice phone is (212) 342-5155.

  • Trustees of Columbia University in the City of New York
    575 W 181st St, New York, NY 10033 · New York CountyPhone(212) 342-5155

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

Dr. Nathaniel Kratz is affiliated with 3 sites of care and 1 medical group

Dr. Kratz's primary practice is Trustees of Columbia University in the City of New York in New York, New York. Dr. Kratz is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Kratz to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Kratz

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

Dmand AI tracks the EHR system at Dr. Nathaniel Kratz's practice

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

EHR by site
SiteEHR vendor and product
Trustees of Columbia University in the City of New YorkAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nathaniel Kratz is one of 1,796 hospitalists in New York

Hospitalist is Dr. Kratz's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Kratz is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kratz is licensed in New York.

Specialties and state licenses

  • Hospitalist, New YorkPrimaryLicense 299476 · 2019 to 2026 · taxonomy 208M00000X

Clinical focus

Dmand AI lists chronic hypertension, heart attack, high cholesterol, shingles and thoracic spine disorders among the conditions Dr. Kratz treats.

Hospitalists near Dr. Kratz

Counts of hospitalists 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. Nathaniel Kratz billed Medicare for 42 services in 2024

CMS data shows 42 Medicare services from Dr. Kratz across 1 procedure code in 2024, for 23 Medicare patients. Medicare paid $4,671 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202442
Medicare patients23
Paid by Medicare$4,671
Procedure codes1

Dr. Kratz's Medicare services by type, 2022 to 2024

  • 2022
  • 2024
Office and hospital visits
2022: 272024: 4256%

Dr. Kratz compared with the New York median for hospitalists, 2024

  • Dr. Kratz
  • New York median
Medicare services
42vs 38889% below
Medicare patients
23vs 16386% below
Part D claims
2,167vs 5539.4 times

Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.

Dr. Kratz'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. Kratz

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

Dr. Nathaniel Kratz treated 23 Medicare patients in 2024, average age 72

CMS counts 23 Medicare patients who saw Dr. Kratz in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.43, 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. Kratz's median patient age at 68, with 69% women.

Medicare patients, 202423
Average age72
Average risk score2.43

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes74%
  4. Mood disorders65%
  5. Depression61%
  6. Ischemic heart disease52%
  7. Alzheimer's and dementia48%

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

Dr. Kratz's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women69%
  • Men27%

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

Dr. Nathaniel Kratz wrote 2,694 Medicare Part D claims in 2024

In 2024, Dr. Kratz wrote 2,694 Medicare Part D claims for 152 patients. 78% of them were for generic drugs. CMS names the drug for 2,167 of them, across 58 drugs with 11 or more claims each, at $237,257 in total drug cost. In 2023, CMS named 2,906 claims across 68 drugs.

Part D claims, 20242,694
Drugs named by CMS58
Total drug cost$237,257
Part D patients152

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

  • Generic2,089 claims78%
  • Brand-name480 claims18%
  • Other125 claims5%

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

  • Antipsychotics, patients 65 and over1%16 of 2,694 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: 2,9062024: 2,16725%

Drugs named by CMS: 58 in 2024, 68 in 2023.

See all prescribing by Dr. Kratz

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

Accepts Medicare assignment
Yes

Dr. Kratz's MIPS scores, performance year 2024

  • 100of 100Final score
  • 85.3of 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. Nathaniel Kratz graduated from Escuela LatinoAmericana de Medicina

Dr. Kratz graduated from Escuela LatinoAmericana de Medicina in 2015. Dr. Kratz is a member of Doctors for Global Health and National Medical Association.

  1. Medical schoolEscuela LatinoAmericana de Medicina
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in addiction medicineAmerican Board of Preventive Medicine

Source: Dmand AI Professional Profile Data

Dr. Nathaniel Kratz accepts plans from 12 insurance carriers

Dr. Kratz is in network with 12 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Cigna
  • Elevance
  • MVP Health Care
  • Aetna
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +4 more carriersWith a free account

Plan types Dr. Kratz accepts, by number of carriers

  1. PPO7
  2. HMO5
  3. Medicare3
  4. EPO2
  5. Medicaid1
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nathaniel Kratz'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 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
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. Nathaniel Kratz

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. Nathaniel Kratz's NPI number?

Dr. Nathaniel Kratz's NPI number is 1639532476. It was assigned on March 30, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Nathaniel Kratz?

Dr. Nathaniel Kratz is a hospitalist in New York, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Nathaniel Kratz practice?

Dr. Kratz practices at 575 W 181st St, New York, NY 10033. Dr. Kratz's primary practice is Trustees of Columbia University in the City of New York in New York, New York. Dmand AI also links Dr. Kratz to 1 group practice or clinic.

What is Dr. Nathaniel Kratz's office phone number?

The practice phone on file for Dr. Kratz is (212) 342-5155.

What is Dr. Nathaniel Kratz's medical license number?

Dr. Kratz holds New York license 299476.

Which hospitals is Dr. Nathaniel Kratz affiliated with?

Dr. Kratz is affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.

What medical group is Dr. Nathaniel Kratz part of?

Dr. Kratz is linked to ColumbiaDoctors.

Does Dr. Nathaniel Kratz accept Medicare?

Yes. CMS data shows Dr. Kratz billed Medicare for 42 services in 2024, and Dr. Kratz accepts Medicare assignment.

What is Dr. Nathaniel Kratz's MIPS score?

Dr. Kratz'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. Nathaniel Kratz see?

CMS counts 23 Medicare patients who saw Dr. Kratz in 2024, with an average age of 72.

Show 6 more questionsShow fewer questions

Is Dr. Nathaniel Kratz board certified?

Yes. Dr. Kratz is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Nathaniel Kratz bill to Medicare?

In 2024, Dr. Kratz's most billed Medicare services were hospital inpatient care (99233).

Where did Dr. Nathaniel Kratz go to medical school?

Dr. Kratz graduated from Escuela LatinoAmericana de Medicina in 2015.

What drugs does Dr. Nathaniel Kratz prescribe most?

In 2024 Medicare Part D data, Dr. Kratz's most prescribed drugs by claims were Diclofenac Sodium, Amlodipine Besylate and Atorvastatin Calcium.

How long has Dr. Nathaniel Kratz been practicing?

Dr. Kratz graduated from medical school in 2015, 11 years ago.

What insurance does Dr. Nathaniel Kratz accept?

Dr. Kratz is in network with 12 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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