Harmony Ann Sierens, M.D.
Pediatric Rehabilitation Medicine Physician · Grand Blanc, MI
Harmony Ann Sierens, M.D. is a pediatric rehabilitation medicine physician with a practice address in Grand Blanc, Michigan, and NPI 1326201252, issued on Jul 10, 2008. Check the license (Michigan 4301092154, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Harmony Ann Sierens
- Credential
- M.D.
- Primary taxonomy
- Pediatric Rehabilitation Medicine Physician 2081P0010X
- License number
- 4301092154 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4632 Genesys Pkwy, Grand Blanc, MI 48439
- Phone
- (810) 606-7181
- Enumerated
- Jul 10, 2008
- Record last updated
- Nov 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (810) 606-7174
- Medicare enrollment
- Enrolled (PECOS I20120807000801); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest pediatric rehabilitation medicine physician records → All 13 in Michigan → Look up another NPI →
Also registered at 4632 Genesys Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Cravener, FNP-BCNurse Practitioner1962014670
- Carlos Padilla, DOPhysical Medicine & Rehabilitation Physician1073579785
Verify Harmony Ann Sierens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301092154Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.5 times the Medicare Part D claims of the average pediatric rehabilitation medicine physician in 2024
1,168 Medicare Part D claims for 135 beneficiaries, against an average of 123 among the 94 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 376 claims were for opioids.
Most prescribed
- Gabapentin161 claims
- Hydrocodone-Acetaminophen151 claims
- Baclofen90 claims
- Oxycodone-Acetaminophen53 claims
- Pregabalin52 claims
- Morphine Sulfate Er49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $548.50
24 payments; by number, the most common kind was food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 112 providers of this specialty with any payment received $1,993.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medical Rehabilitation Group PCGrand Blanc, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harmony Ann Sierens among 13 pediatric rehabilitation medicine physician records in Michigan
Harmony Ann Sierens, M.D. is one of 13 pediatric rehabilitation medicine physician records with a practice address in Michigan. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 38% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2008 · median 1993 among the 10 with a school on file
- Record last updated2018 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P0010X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Rehabilitation Medicine Physician providers in Michigan
There are 13 pediatric rehabilitation medicine physician records in Michigan.
All 13 in Michigan → Every provider in Grand Blanc → Pediatric Rehabilitation Medicine Physician nationwide →
The 8 pediatric rehabilitation medicine physician records with the nearest ZIP codes
- Charles Pelshaw, MDDetroit, MI 482011255378741
- Christina Santia, D.O.Detroit, MI 482011821418419
- Jennifer RehmusBay City, MI 487061578148524
- Eileen Donovan, MDDearborn, MI 481241730116682
- Susan Youngs, MDDearborn, MI 481241801865183
- Rita Ayyangar, MDAnn Arbor, MI 481051730261611
- Angeline Bowman, MDAnn Arbor, MI 481051598108649
- Edward Hurvitz, MDAnn Arbor, MI 481051083796965
Common questions
What is Harmony Ann Sierens, M.D.'s NPI number?
Harmony Ann Sierens, M.D.'s National Provider Identifier (NPI) is 1326201252, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Harmony Ann Sierens, M.D. located?
The NPPES record lists a practice address at 4632 Genesys Pkwy, Grand Blanc, MI, 48439. Phone: (810) 606-7181. Providers update this record themselves, so call before visiting.
How can I verify Harmony Ann Sierens, M.D.'s license?
NPPES lists Michigan license number 4301092154, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harmony Ann Sierens, M.D. prescribe under Medicare Part D?
In 2024, Harmony Ann Sierens, M.D. had 1,168 Medicare Part D claims for 135 beneficiaries; the average among pediatric rehabilitation medicine physician prescribers was 123. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.