Dr. Natalia Keyser, MD
- Medicare services, 2024
- 841
- Medicare patients, 2024
- 346
- Part D claims, 2024
- 408
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 350 7th St N, Naples, FL 34102
- Practice phone
- Call (239) 624-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Keyser's professional email, personal email and mobile number
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Dr. Natalia Keyser is a hospitalist in Naples, Florida
Dr. Keyser practices at NCH Baker Hospital in Naples, Florida, part of NCH Healthcare System.
Dr. Keyser's NPI, 1043242878, was assigned on July 6, 2006. Dr. Keyser graduated from Institute of Health Sciences Medellin Faculty of Medicine in 1998. Dr. Keyser holds Florida license ME91753.
- NPI
- 1043242878NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032157060
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (239) 624-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Natalia Keyser practices at NCH Baker Hospital in Naples, Florida
Dr. Keyser's primary practice is NCH Baker Hospital, at 350 7th St N, Naples, FL 34102 in Collier County. The practice phone is (239) 624-5000.
- NCH Baker Hospital350 7th St N, Naples, FL 34102 · Collier CountyPhone(239) 624-5000
Source: Dmand AI Affiliation Data
Dr. Natalia Keyser is affiliated with 2 sites of care and 3 medical groups
Dr. Keyser's primary practice is NCH Baker Hospital in Naples, Florida, part of NCH Healthcare System. The medical group on file is NCH Medical Group - Hospitalists. Dmand AI also links Dr. Keyser to 2 more medical groups and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Natalia Keyser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keyser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NCH Baker Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Natalia Keyser is one of 1,637 hospitalists in Florida
Hospitalist is Dr. Keyser's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Keyser is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dmand AI has Dr. Keyser's licenses on file in 2 states: Florida and Pennsylvania.
Specialties and state licenses
- Hospitalist, FloridaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, anemia, atherosclerosis, cardiac arrhythmia, cellulitis, circulation problems and circulatory problems in extremities among the conditions Dr. Keyser treats.
Hospitalists near Dr. Keyser
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. Natalia Keyser billed Medicare for 841 services in 2024
CMS data shows 841 Medicare services from Dr. Keyser across 5 procedure codes in 2024, for 346 Medicare patients. Medicare paid $67,447 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Keyser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0832024: 84122%
Dr. Keyser compared with the Florida median for hospitalists, 2024
- Dr. Keyser
- Florida median
- Medicare services
- 841vs 54355% above
- Medicare patients
- 346vs 24342% above
- Part D claims
- 143vs 11228% above
Medians across 1,516 hospitalists in Florida with Dmand AI profiles that report each measure.
Dr. Keyser'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keyser and other hospitalists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Natalia Keyser treated 346 Medicare patients in 2024, average age 77
CMS counts 346 Medicare patients who saw Dr. Keyser in 2024. The largest group is 75 to 84, with 170 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.75, 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. Keyser's median patient age at 77, with 48% women.
Dr. Keyser's Medicare patients by age, 2024
Dr. Keyser's Medicare patients by sex, 2024
- Women16849%
- Men17851%
Chronic conditions among Dr. Keyser's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis71%
- Ischemic heart disease55%
- Anxiety42%
- Chronic kidney disease39%
- Heart failure39%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Keyser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Natalia Keyser wrote 408 Medicare Part D claims in 2024
In 2024, Dr. Keyser wrote 408 Medicare Part D claims for 166 patients. 81% of them were for generic drugs. CMS names the drug for 143 of them, across 8 drugs with 11 or more claims each, at $24,066 in total drug cost. In 2023, CMS named 433 claims across 25 drugs.
Dr. Keyser's Part D claims by kind of drug, 2024
- Generic331 claims81%
- Brand-name and other77 claims19%
Dr. Keyser'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. Keyser's Part D claims, 2024
- Opioids6%24 of 408 claims
- Antibiotics10%41 of 408 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: 4332024: 14367%
Drugs named by CMS: 8 in 2024, 25 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. Natalia Keyser scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Keyser for performance year 2024, reported through an alternative payment model (APM). Dr. Keyser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Keyser's MIPS scores, performance year 2024
- 95of 100Final score
- 87.7of 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. Natalia Keyser has 1 award and honors on record
Dmand AI lists 1 award for Dr. Keyser, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Keyser
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Natalia Keyser graduated from Institute of Health Sciences Medellin Faculty of Medicine
Dr. Keyser graduated from Institute of Health Sciences Medellin Faculty of Medicine in 1998.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Natalia Keyser accepts plans from 2 insurance carriers
Dr. Keyser is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- CMS Medicare
Plan types Dr. Keyser accepts, by number of carriers
- Medicare2
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Natalia Keyser'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Natalia Keyser
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. Natalia Keyser's NPI number?
Dr. Natalia Keyser's NPI number is 1043242878. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Natalia Keyser?
Dr. Natalia Keyser is a hospitalist in Naples, Florida. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Natalia Keyser practice?
Dr. Keyser practices at 350 7th St N, Naples, FL 34102. Dr. Keyser's primary practice is NCH Baker Hospital in Naples, Florida, part of NCH Healthcare System. Dmand AI also links Dr. Keyser to 2 medical groups and 1 physician office.
What is Dr. Natalia Keyser's office phone number?
The practice phone on file for Dr. Keyser is (239) 624-5000.
What is Dr. Natalia Keyser's medical license number?
Dr. Keyser holds Florida license ME91753, one of the licenses on file in 2 states.
Which states has Dr. Natalia Keyser been licensed in?
Dmand AI has state licenses on file for Dr. Keyser in Florida (2004 to 2027) and Pennsylvania (2001 to 2004).
Which hospitals is Dr. Natalia Keyser affiliated with?
Dr. Keyser practices at NCH Baker Hospital in Naples, Florida.
What medical group is Dr. Natalia Keyser part of?
Dr. Keyser is linked to NCH Medical Group - Hospitalists. Dmand AI links Dr. Keyser to 2 more medical groups.
Does Dr. Natalia Keyser accept Medicare?
Yes. CMS data shows Dr. Keyser billed Medicare for 841 services in 2024, and Dr. Keyser accepts Medicare assignment.
What is Dr. Natalia Keyser's MIPS score?
Dr. Keyser's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Natalia Keyser see?
CMS counts 346 Medicare patients who saw Dr. Keyser in 2024, with an average age of 77.
Is Dr. Natalia Keyser board certified?
Yes. Dr. Keyser is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
What services does Dr. Natalia Keyser bill to Medicare?
In 2024, Dr. Keyser's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Where did Dr. Natalia Keyser go to medical school?
Dr. Keyser graduated from Institute of Health Sciences Medellin Faculty of Medicine in 1998.
What drugs does Dr. Natalia Keyser prescribe most?
In 2024 Medicare Part D data, Dr. Keyser's most prescribed drugs by claims were Metoprolol Succinate, Clopidogrel and Eliquis.
How long has Dr. Natalia Keyser been practicing?
Dr. Keyser graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Natalia Keyser accept?
Dr. Keyser is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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