Physician Profile
Nathan Russell Ayer, M.D., MPH
Unclaimed ProfileAbout Dr. Ayer
Based in Loveland, CO, Nathan Russell 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
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
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
1,979 services · 1,528 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
109 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
109 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
96 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
20 |
| 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 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
684 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
361 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
291 |
| 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 |
| Administration of influenza virus vaccine | Billing code | G0008 |
98 |
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 internal medicines at this location 4
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 — 31 related providers in 4 groups
Other internal medicines in Loveland 7
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 8
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 Dr. Ayer specialize in?
Dr. Ayer is an internal medicine in Loveland, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Ayer located?
Dr. Ayer 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 Dr. Ayer's phone number?
The number on file is (970) 203-7050. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ayer's NPI number?
Dr. Ayer'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 Dr. Ayer go to medical school?
Dr. Ayer 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 Dr. Ayer been practicing?
Dr. Ayer has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ayer do most often?
According to Medicare billing data, Dr. Ayer 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 Dr. Ayer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ayer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.