Are you Nathan R. Ayer, M.D., MPH? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2500 Rocky Mountain Ave, North Medical Office Building, Loveland, CO 80538
About Dr. Ayer
Based in Loveland, CO, Nathan R. Ayer, M.D., MPH is listed in the NPI registry under internal medicine. Nathan graduated from University of Rochester School of Medicine and Dentistry in 2001. According to Medicare claims data, Nathan cared for 1,528 Medicare patients across 1,979 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1457361172 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (970) 203-7050
- Email not available
Practice Locations
2500 ROCKY MOUNTAIN AVE NORTH MEDICAL OFFICE BUILDING
Loveland, CO 80538
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
1,979 services · 1,528 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
109 | More than most peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
109 | More than most peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
96 | More often than most peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
20 | As often as other peers in Internal Medicine |
| Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 0241U |
26 | As often as other peers in Internal Medicine | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
684 | More often than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
361 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
291 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
138 | More often than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
98 | More often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other internists in Loveland 6
Same specialty, same city.
Trained at University of Rochester School of Medicine and Dentistry 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of Rochester School of Medicine and Dentistry 7
Providers who graduated from the same medical school in the same year.
Also performs Sarscv2 vac 30mcg trs-suc im 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Nathan R. Ayer, M.D. specialize in?
Nathan R. Ayer, M.D. is an internist in Loveland, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Nathan R. Ayer, M.D. located?
Nathan R. Ayer, M.D. is listed at 2500 Rocky Mountain Ave North Medical Office Building, Loveland, CO 80538. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nathan R. Ayer, M.D.'s phone number?
The number on file is (970) 203-7050. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Nathan R. Ayer, M.D.'s NPI number?
Nathan R. Ayer, M.D.'s National Provider Identifier is 1457361172. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Nathan R. Ayer, M.D. train?
Nathan R. Ayer, M.D. attended University of Rochester School of Medicine and Dentistry, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Nathan R. Ayer, M.D. been practicing?
Nathan R. Ayer, M.D. has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Nathan R. Ayer, M.D. do most often?
According to Medicare billing data, Nathan R. Ayer, M.D. provides treatments such as sarscv2 vac 30mcg trs-suc im and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Nathan R. Ayer, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nathan R. Ayer, M.D.. If this is you, claiming it is free.
Guide.md
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