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ALLISON MARIE DIEM CRNP
NPI 1699901538
Nurse Practitioner - Family in Bel Air, MD

Active since June 05, 2009PECOS Enrolled
615 W MACPHAIL RD, BEL AIR, MD 21014(410) 638-8900 Get Directions Write a Review

NPPES record last updated: May 27, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Allison Marie Diem Crnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON MARIE DIEM CRNP (NPI 1699901538) is an individual family provider in Bel Air, Maryland, licensed in Maryland (R173526) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699901538
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALLISON MARIE DIEMCredential: CRNP
Location Address615 W MACPHAIL RDBel Air, MD 21014-4309
Mailing Address615 W Macphail RdBel Air, MD 21014-4309 · (410) 638-8900
Phone(410) 638-8900
Sole ProprietorNo
Enumeration DateJune 5, 2009
Last NPPES UpdateMay 27, 2014
✔ NPI 1699901538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MD · R173526
Also ListedRegistered NurseTaxonomy 163W00000X · License R173526 (MD)
615 W MACPHAIL RD, Bel Air, MD 21014
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Other Names 1

Former Name (1)Allison Marie Rye Crnp

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Marie Diem Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2012
A virtual check-in is a short online or phone consultation with your healthcare provider. It's for established patients and isn't related to a recent appointment. It's a convenient way to discuss health concerns without needing to visit the office in person.
131 services122 patients
Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
83 services79 patients
Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
27 services26 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
25 services23 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
21 services19 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TEAETTE L LOUDERBACK-SMITH M.D.
Family Medicine
615 W MACPHAIL RD, STE 206
BEL AIR, MD 21014
Harford County (410) 638-5101
DR. LAWRENCE D WHITE M.D.
Internal Medicine
615 W MACPHAIL RD, STE 206
BEL AIR, MD 21014
Harford County (410) 638-5101
BETH YARNOLD CRNP
Registered Nurse (Gerontology)
615 W MACPHAIL RD, STE 106
BEL AIR, MD 21014
Harford County (410) 638-8900
PHILLIP YIM M.D.
Specialist
615 W MACPHAIL RD, SUITE 107
BEL AIR, MD 21014
Harford County (410) 838-9555
MRS. ERIN PROKOP C.F.N.P.
Nurse Practitioner (Family)
615 W MACPHAIL RD, SUITE 106
BEL AIR, MD 21014
Harford County (410) 638-8900
MS. TAM WARCZYNSKI C.R.N.P.
Nurse Practitioner (Family)
615 W MACPHAIL RD, SUITE 106
BEL AIR, MD 21014
Harford County (410) 638-8900
STEPHEN E. TRISTANI RPH.
Pharmacist
615 W MACPHAIL RD, SUITE 103
BEL AIR, MD 21014
Harford County (410) 638-7367
ERIC R CRAPSTER PA
Physician Assistant (Surgical)
615 W MACPHAIL RD
BEL AIR, MD 21014
Harford County (443) 643-2078

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allison Diem's NPI number?

The NPI number for Allison Diem is 1699901538. It was assigned to this individual provider in the NPPES registry on June 5, 2009. The provider is also known as Allison Marie Rye Crnp.

Where is Allison Diem located?

Allison Diem practices at 615 W Macphail Rd, Bel Air, MD 21014. The listed phone number is (410) 638-8900.

What is Allison Diem's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Allison Diem enrolled in Medicare?

Yes. Allison Diem is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Allison Diem was last updated on May 27, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.