Susan Chisholm, RN, CRNP
NPI 1649210717 · Family Nurse Practitioner · Arnold, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Chisholm, RN, CRNP is a Family Nurse Practitioner provider in Arnold, MD (NPI 1649210717).
Provider details
- NPI number
- 1649210717
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R107431 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
950 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 519 | $68 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 387 | $67 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 29 | $98 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 15 | $97 |
Typical Medicare-allowed amounts for these services range $67–$98 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 79 | 12 |
| Furosemide | 72 | 22 |
| Mirtazapine | 69 | 14 |
| Atorvastatin Calcium | 63 | 18 |
| Apixabanbrand: Eliquis | 60 | 19 |
| Amlodipine Besylate | 56 | 13 |
| Gabapentin | 56 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2011-12-02
Frequently asked questions
- What is Susan Chisholm's NPI number?
- Susan Chisholm's National Provider Identifier (NPI) is 1649210717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Chisholm's specialty?
- Susan Chisholm is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Chisholm located?
- Susan Chisholm's practice location on file with NPPES is 305 College Pkwy, Arnold, MD 21012-2912.
- What is Susan Chisholm's phone number?
- The practice phone number listed in the NPPES registry for Susan Chisholm is (410) 647-0015.
- Does Susan Chisholm accept Medicare?
- Susan Chisholm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Chisholm's NPI active?
- Yes — Susan Chisholm's NPI (1649210717) is active in the NPPES registry as of the last update on 2011-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.