Physician Profile
Megan B. Littlefield, M.D. is a healthcare provider in Billings, MT specializing in internal medicine. Megan trained at University of Maryland School of Medicine, graduating in 1999. Medicare claims data shows Megan provided 113 services to 105 patients. The services billed most often include hemoglobin a1c level, administration of influenza virus vaccine, and influenza vaccine split virus, preservative free. This provider record is associated with NPI 1013964287.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
123 S 27TH ST
Billings, MT 59101
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.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
113 services · 105 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
22 | Less often than most peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
19 | Less often than most peers in Internal Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
15 | Less often than most peers in Internal Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
23 | Less often than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
22 | Less often than most peers in Internal Medicine |
| Urine microalbumin (protein) level | Lab test | 82043 |
12 | Less 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.
Megan B. Littlefield is an internist in Billings, MT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Megan B. Littlefield is listed at 123 S 27Th St, Billings, MT 59101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (406) 247-3350. Contact the office directly to confirm availability and scheduling.
NPI registry
Megan B. Littlefield's National Provider Identifier is 1013964287. 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
Megan B. Littlefield attended University of Maryland School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
Megan B. Littlefield has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Megan B. Littlefield provides treatments such as influenza vaccine split virus, preservative free 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
Not yet. This profile is built from public federal data and has not been confirmed by Megan B. Littlefield. If this is you, claiming it is free.
Guide.md
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