Doctor profile · Federal record
Dr. Colleen Christmas, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Baltimore, MD
- NPI 1013968114
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5505 Hopkins Bayview Cir
Baltimore, MD 212246821
(410) 550-0925 - Mailing address
-
Po Box 64264
Baltimore, MD 212644264
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 31, 2014
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- Maryland #D51185
- Medicaid
- MD #691000900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013968114. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
434
Distinct HCPCS
5
Medicare allowed
$43,296
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 220 | 153 | $86 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 91 | 91 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 58 | 54 | $71 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 54 | 43 | $110 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 11 | 11 | $171 |
In context: peer comparison
Among 23 peers in Baltimore Geriatric Medicine (Internal Medicine) Physician, average services per provider: 97. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
674
Patients
154
Total drug cost
$43,997
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 92 | 27 | $1,515 |
| Amlodipine Besylate | Generic | 79 | 26 | $1,128 |
| Losartan Potassium | Generic | 76 | 19 | $1,522 |
| Levothyroxine Sodium | Generic | 75 | 19 | $800 |
| Lisinopril | Generic | 74 | 26 | $594 |
| Hydrochlorothiazide | Generic | 40 | 14 | $350 |
| Nifedipine ER (Nifedipine) | Brand | 34 | 11 | $1,688 |
| Metoprolol Succinate | Generic | 33 | 12 | $552 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 32 | 0 | $395 |
| Duloxetine Hcl | Generic | 28 | 0 | $1,389 |
Hospital affiliations
Frequently asked questions
What is Dr. Colleen Christmas's medical specialty?
Dr. Colleen Christmas practices Geriatric Medicine (Internal Medicine) Physician in Baltimore, MD.
Where does Dr. Colleen Christmas practice?
Dr. Colleen Christmas practices at 5505 Hopkins Bayview Cir, Baltimore, MD 212246821. Office phone: 4105500925.
What is Dr. Colleen Christmas's NPI?
Dr. Colleen Christmas's National Provider Identifier (NPI) is 1013968114, issued by NPPES.
Does Dr. Colleen Christmas accept Medicare assignment?
Dr. Colleen Christmas does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Colleen Christmas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.