Doctor profile · Federal record
Dr. Megan Littlefield, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Billings, MT
- NPI 1013964287
- Accepts Medicare
- 27 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
123 S 27Th St
Billings, MT 591014227
(406) 247-3350
fax (406) 247-3389
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- May 8, 2015
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Montana #12778 · Massachusetts #225423
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013964287. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
176
Distinct HCPCS
4
Medicare allowed
$11,806
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
91320 |
Sarscv2 vac 30mcg trs-suc im | 53 | 53 | $128 | |
G0008 |
Administration of influenza virus vaccine | 51 | 51 | $21 | |
90662 |
Influenza vaccine split virus, preservative free | 48 | 48 | $72 | |
90480 |
Admn sarscov2 vacc 1 dose | 24 | 24 | $21 |
In context: peer comparison
Among 20 peers in Billings Internal Medicine Physician, average services per provider: 126. This provider delivers 1.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
639
Patients
331
Total drug cost
$76,898
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Arexvy (Rsvpref3 Antigen/As01e/Pf) | Brand | 128 | 128 | $38,792 |
| Shingrix (Varicella-Zoster Ge/As01b/Pf) | Brand | 101 | 72 | $20,818 |
| Typhim VI (Typhoid VI Polysacch Vaccine) | Brand | 45 | 45 | $4,803 |
| Boostrix Tdap (Diphth,Pertuss(Acell),Tet Vac) | Brand | 38 | 38 | $2,473 |
| Losartan Potassium | Generic | 36 | 13 | $747 |
| Atorvastatin Calcium | Generic | 34 | 15 | $751 |
| Gabapentin | Generic | 33 | 0 | $1,622 |
| Hydrochlorothiazide | Generic | 30 | 0 | $55 |
| Levothyroxine Sodium | Generic | 30 | 0 | $458 |
| Tramadol Hcl | Generic | 30 | 0 | $696 |
Frequently asked questions
What is Dr. Megan Littlefield's medical specialty?
Dr. Megan Littlefield practices Internal Medicine Physician in Billings, MT.
Where does Dr. Megan Littlefield practice?
Dr. Megan Littlefield practices at 123 S 27Th St, Billings, MT 591014227. Office phone: 4062473350.
What is Dr. Megan Littlefield's NPI?
Dr. Megan Littlefield's National Provider Identifier (NPI) is 1013964287, issued by NPPES.
Does Dr. Megan Littlefield accept Medicare assignment?
Yes. Dr. Megan Littlefield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Megan Littlefield commonly perform?
Top Medicare-reported procedures in 2023: Sarscv2 vac 30mcg trs-suc im (HCPCS 91320); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.