Dr. Nathaniel Kratz, MD
- 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
- Get mobile number
Primary practice
Trustees of Columbia University in the City of New York
New York, New York
Find Dr. Kratz'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.
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
- 1639532476NPI Registry (opens in a new tab)
- 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 York575 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.
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.
| Site | EHR vendor and product |
|---|---|
| Trustees of Columbia University in the City of New York | Available with a free account |
| +2 more affiliated sites | Available 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 YorkPrimary
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.
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.
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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.
Chronic conditions among Dr. Kratz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
- Mood disorders65%
- Depression61%
- Ischemic heart disease52%
- 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.
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.
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.
- Medical school
- Board certified in internal medicine
- Board certified in addiction 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
- PPO7
- HMO5
- Medicare3
- EPO2
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Nathaniel Kratz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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 memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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