Are you Christine M. Hallman, DNP, APRN, ACHPN, NP-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 10980 Grantchester Way, Columbia, MD 21044
About Dr. Hallman
Listed in the NPI registry as a nurse practitioner, Christine M. Hallman, DNP, APRN, ACHPN, NP-C practices in Columbia, MD. Christine is also listed as specializing in nurse practitioner — gerontology. Medicare claims data shows Christine provided 171 services to 68 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and telephone medical discussion with physician, 21-30 minutes. NPI 1275960635 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (202) 451-6882
- Email not available
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Practice Locations
10980 GRANTCHESTER WAY
Columbia, MD 21044
Procedures Most Often Billed to Medicare
171 services · 68 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
113 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
31 | Less often than most peers in Nurse Practitioner |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
27 | As often as other peers in Nurse Practitioner |
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.
Related specialists at this location 4
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.
Other nurse practitioners in Columbia 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Christine M. Hallman, DNP, APRN, ACHPN?
Christine M. Hallman, DNP, APRN, ACHPN is a nurse practitioner in Columbia, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Christine M. Hallman, DNP, APRN, ACHPN's address?
Christine M. Hallman, DNP, APRN, ACHPN is listed at 10980 Grantchester Way, Columbia, MD 21044. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Christine M. Hallman, DNP, APRN, ACHPN?
The number on file is (202) 451-6882. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christine M. Hallman, DNP, APRN, ACHPN?
Christine M. Hallman, DNP, APRN, ACHPN's National Provider Identifier is 1275960635. 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 Christine M. Hallman, DNP, APRN, ACHPN train?
Christine M. Hallman, DNP, APRN, ACHPN attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christine M. Hallman, DNP, APRN, ACHPN have?
Christine M. Hallman, DNP, APRN, ACHPN has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Christine M. Hallman, DNP, APRN, ACHPN perform?
According to Medicare billing data, Christine M. Hallman, DNP, APRN, ACHPN the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Christine M. Hallman, DNP, APRN, ACHPN's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christine M. Hallman, DNP, APRN, ACHPN. If this is you, claiming it is free.
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