Physician Profile
Grant Dennis Doolittle, DO
Unclaimed ProfileAbout Dr. Doolittle
Grant Dennis Doolittle, DO is a healthcare provider in Ames, IA specializing in internal medicine. According to Medicare claims data, Grant cared for 7,432 Medicare patients across 11,395 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
- (515) 239-4431
- Email not available
Practice Locations
1215 DUFF AVE MCFARLAND CLINIC PC
Ames, IA 50010
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
Cardiometabolic
- High blood pressure (hypertension)
- High cholesterol and lipid disorders
- Metabolic syndrome
- Overweight and obesity
- Peripheral artery disease
- Prediabetes
- Stable coronary artery disease
- Type 2 diabetes
Digestive and liver
- Acid reflux (GERD)
- Alcohol-associated liver disease
- Constipation
- Diverticulosis and uncomplicated diverticulitis
- Fatty liver disease
- Irritable bowel syndrome
- Peptic ulcer disease
Endocrine, blood, and bone
- Anemia of chronic disease
- Gout
- Iron-deficiency anemia
- Osteoporosis
- Overactive thyroid (hyperthyroidism)
- Underactive thyroid (hypothyroidism)
- Vitamin B12 deficiency
- Vitamin D deficiency
Infectious disease
Kidney and urinary
- Acute kidney injury
- Chronic kidney disease
- Enlarged prostate (BPH)
- Overactive bladder
- Urinary tract infection
Respiratory
- Acute bronchitis
- Asthma
- Chronic obstructive pulmonary disease
- Community-acquired pneumonia
- Obstructive sleep apnea
Cardiac and vascular
- Atrial fibrillation
- Blood clots (DVT and pulmonary embolism)
- Chronic venous insufficiency
- Heart failure
- Stable angina
Neurologic and behavioral
Rheumatologic and pain
Procedures & services
Preventive and evaluation
- Annual physical and preventive visit
- Chronic disease management
- Medicare annual wellness visit
- Medication review and management
- Post-hospital transitional care
- Preoperative medical clearance
Screening and diagnostic testing
- Ambulatory blood-pressure monitoring
- Blood pressure screening
- Cancer screening and prevention planning
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- Electrocardiogram
- Spirometry
Office procedures
Procedures Most Often Billed to Medicare
11,395 services · 7,432 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,349 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
177 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
163 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
163 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
129 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
127 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,020 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
779 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
773 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
762 |
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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 26 related providers in 4 groups
Other internal medicines in Ames 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IA who bill this service to Medicare most often.
Common questions
What is Dr. Doolittle's specialty?
Dr. Doolittle is an internal medicine in Ames, IA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Doolittle?
Dr. Doolittle is listed at 1215 DUFF AVE MCFARLAND CLINIC PC, Ames, IA 50010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Doolittle?
The number on file is (515) 239-4431. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Doolittle's NPI number?
Dr. Doolittle's National Provider Identifier is 1457464836. 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
What is Dr. Doolittle's medical education?
Dr. Doolittle attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Doolittle been practicing?
Dr. Doolittle has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Doolittle known for?
According to Medicare billing data, Dr. Doolittle performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Doolittle confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Doolittle. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.