Carolyn Vollmer, M.D.
NPI 1821226978 · Physical Medicine & Rehabilitation Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Vollmer, M.D. is a Physical Medicine & Rehabilitation Physician provider in Grand Rapids, MI (NPI 1821226978).
Provider details
- NPI number
- 1821226978
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301094300 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
419 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) |
|---|---|---|
| Psychiatric Collaborative Care Management Per Calendar Month, Each Additional 30 Minutes99494 | 156 | $56 |
| Follow-Up Psychiatric Collaborative Care Management, Subsequent Calendar Month, First 60 Minutes99493 | 155 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $86 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 38 | $42 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $121 |
| Initial Psychiatric Collaborative Care Management, First Calendar Month, First 70 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-29
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Carolyn Vollmer's NPI number?
- Carolyn Vollmer's National Provider Identifier (NPI) is 1821226978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Vollmer's specialty?
- Carolyn Vollmer is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Vollmer located?
- Carolyn Vollmer's practice location on file with NPPES is 235 Wealthy St Se, Grand Rapids, MI 49503-5247.
- What is Carolyn Vollmer's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Vollmer is (616) 840-8005.
- Does Carolyn Vollmer accept Medicare?
- Carolyn Vollmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Vollmer's NPI active?
- Yes — Carolyn Vollmer's NPI (1821226978) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.