Dianna Ohlman, NP-C
NPI 1952560260 · Family Nurse Practitioner · Saint Peters, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dianna Ohlman, NP-C is a Family Nurse Practitioner provider in Saint Peters, MO (NPI 1952560260).
Provider details
- NPI number
- 1952560260
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 124223 (MO)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
609 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 199 | $105 |
| 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'SG2211 | 123 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $74 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 81 | $106 |
| Administration of Influenza Virus VaccineG0008 | 28 | $31 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 81 | 44 |
| Amlodipine Besylate | 64 | 32 |
| Losartan Potassium | 45 | 23 |
| Methylprednisolone | 40 | 39 |
| Amoxicillin | 39 | 39 |
| Azithromycin | 36 | 35 |
| Alendronate Sodium | 34 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$757 across 42 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-03
- Last updated
- 2021-02-25
- Certified
- 2021-02-25
Frequently asked questions
- What is Dianna Ohlman's NPI number?
- Dianna Ohlman's National Provider Identifier (NPI) is 1952560260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianna Ohlman's specialty?
- Dianna Ohlman is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dianna Ohlman located?
- Dianna Ohlman's practice location on file with NPPES is 201 Bjc Saint Peters Dr, Saint Peters, MO 63376-3385.
- What is Dianna Ohlman's phone number?
- The practice phone number listed in the NPPES registry for Dianna Ohlman is (636) 916-9615.
- Does Dianna Ohlman accept Medicare?
- Dianna Ohlman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dianna Ohlman's NPI active?
- Yes — Dianna Ohlman's NPI (1952560260) is active in the NPPES registry as of the last update on 2021-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.