Provider Profile
Allegra J. Hamman, CRNP
Unclaimed ProfileAbout Allegra Hamman
Allegra J. Hamman, CRNP is a nurse practitioner practicing in Lutherville Timonium, MD. Medicare claims data shows Allegra provided 773 services to 633 patients. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
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
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (410) 583-2926
- Email not available
Practice Locations
10753 FALLS RD JOHNS HOPKINS AT GREEN SPRING SUITE 315
Lutherville Timonium, MD 21093
Procedures Most Often Billed to Medicare
773 services · 633 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
347 | More 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 |
209 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
176 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
23 | Less often than most peers in Nurse Practitioner |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
18 | 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 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
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 Lutherville Timonium 5
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 1985 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Allegra J. Hamman specialize in?
Allegra J. Hamman is a nurse practitioner in Lutherville Timonium, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Allegra J. Hamman located?
Allegra J. Hamman is listed at 10753 Falls Rd Johns Hopkins at Green Spring Suite 315, Lutherville Timonium, MD 21093. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Allegra J. Hamman's phone number?
The number on file is (410) 583-2926. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Allegra J. Hamman?
Allegra J. Hamman's National Provider Identifier is 1104049063. 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 Allegra J. Hamman train?
Allegra J. Hamman attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Allegra J. Hamman have?
Allegra J. Hamman has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Allegra J. Hamman do most often?
According to Medicare billing data, Allegra J. Hamman 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 Allegra J. Hamman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Allegra J. Hamman. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.