DR. DONALD WILLIAM SIMMLER II M.D.
NPI 1063435535
Internal Medicine - Hospice and Palliative Medicine in St Petersburg, FL

Q: What is Donald Simmler's NPI number?

The NPI number for Donald Simmler is 1063435535. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Q: What is Donald Simmler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Q: When was this NPI record last updated?

The NPPES record for Donald Simmler was last updated on April 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 25, 2006PECOS Enrolled

1200 7TH AVE N, ST PETERSBURG, FL 33705(727) 820-7737(727) 825-1223 Get Directions Write a Review

NPPES record last updated: April 18, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 18, 2022, Oct 23, 2019, Jun 23, 2016 and 1 more (4 updates tracked since 2015).

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About Dr. Donald William Simmler Ii M.d. NPPES

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

DR. DONALD WILLIAM SIMMLER II M.D. (NPI 1063435535) is an individual hospice and palliative medicine provider in St Petersburg, Florida, licensed in Florida (ME 33698) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063435535

Entity TypeIndividualMale

Primary Taxonomy207RH0002X

Provider Legal NameDR. DONALD WILLIAM SIMMLER IICredential: M.D.

Location Address1200 7TH AVE NSt Petersburg, FL 33705-1300

Mailing Address1200 7th Ave NSt Petersburg, FL 33705-1300 · (727) 820-7737 · Fax (727) 825-1223

Phone(727) 820-7737

Fax(727) 825-1223

Sole ProprietorNo

Enumeration DateJuly 25, 2006

Last NPPES UpdateApril 18, 20224 updates tracked since enumeration

NPPES CertifiedApril 18, 2022

✔ NPI 1063435535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RH0002X

License✔ Licensed in FL · ME 33698

Definition

An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.

Also ListedInternal MedicineTaxonomy 207R00000X · License ME 33698 (FL)

1200 7TH AVE N, St Petersburg, FL 33705

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Other Identifiers 1

Medicaid012233500FL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Donald William Simmler Ii M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Donald Simmler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baycare Medical Group, Inc.

13 mi

General Practice

2995 DREW ST FL 2
Clearwater, FL 33759

Reassigned Medicare billing, Florida enrollment
2,009 clinicians in this Medicare group

NPI 1043269871 (727) 281-9065

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

156 services82 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

134 services121 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

74 services55 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

35 services28 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

14 services12 patients

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. TODD KENNETH LETZRING D.O.

Anesthesiology

1200 7TH AVE N
ST PETERSBURG, FL 33705

Pinellas County (727) 825-1053

DR. VINCENT B ROWLEY M.D.

Radiology (Diagnostic Radiology)

1200 7TH AVE N
ST PETERSBURG, FL 33705

Pinellas County (727) 825-1100

DR. PETE KONIDAS PHARM. D.

Pharmacist

1200 7TH AVE N
SAINT PETERSBURG, FL 33705

Pinellas County (727) 825-1116

MRS. MEGAN ANN GERAGE APRN

Nurse Practitioner (Adult Health)

1200 7TH AVE N
SAINT PETERSBURG, FL 33705

Pinellas County (727) 820-7737

KELLI LAUREN WETZEL MS, CCC-SLP

Speech-Language Pathologist

1200 7TH AVE N
ST PETERSBURG, FL 33705

Pinellas County (727) 825-1189

DR. MATTHEW J RAHAIM MD

Radiology (Diagnostic Radiology)

1200 7TH AVE N
ST PETERSBURG, FL 33705

Pinellas County (727) 825-1100

ANDREW MOEN

Nurse Practitioner (Family)

1200 7TH AVE N
SAINT PETERSBURG, FL 33705

Pinellas County (727) 825-1100

BEBE NGUYEN SCHULMAN MD

Emergency Medicine

1200 7TH AVE N
ST PETERSBURG, FL 33705

Pinellas County (727) 825-1100

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 Donald Simmler's NPI number?

The NPI number for Donald Simmler is 1063435535. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is Donald Simmler located?

Donald Simmler practices at 1200 7th Ave N, St Petersburg, FL 33705. The listed phone number is (727) 820-7737.

What is Donald Simmler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Donald Simmler enrolled in Medicare?

Yes. Donald Simmler is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Donald Simmler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Simmler reassigns Medicare benefits to Baycare Medical Group, Inc. (Clearwater, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Donald Simmler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Donald Simmler was last updated on April 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.