NPPES file of Aug 9, 2026

Christopher J. Frocillo, D.O.

Family Medicine Physician · Lenox, MI

Christopher J. Frocillo, D.O. is a family medicine physician with a practice address in Lenox, Michigan, and NPI 1518967835, issued on Jul 28, 2005. Check the license (Michigan 5101013229, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518967835
Name
Christopher J. Frocillo
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101013229 MI
Self-reported in NPPES; status is on the state search
Practice location
66707 Gratiot Ave, Lenox, MI 48050
Phone
(586) 727-5840
Enumerated
Jul 28, 2005
Record last updated
Oct 29, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(586) 727-5897
Medicaid ID
4537946 MI
Medicare enrollment
Enrolled (PECOS I20120321000446); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 66707 Gratiot Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deborah Berry, PA-CMedical Physician Assistant1811267529
  2. Robert McCowan, DOFamily Medicine Physician1053380402
  3. Heather Plumer-Haun, D.O.Family Medicine Physician1174523401

Verify Christopher J. Frocillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101013229
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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62% fewer Medicare Part D claims than the average family medicine physician in 2024

1,342 Medicare Part D claims for 165 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Christopher Frocillo1,342
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium106 claims
  2. Amlodipine Besylate89 claims
  3. Metformin Hcl76 claims
  4. Lisinopril60 claims
  5. Levothyroxine Sodium54 claims
  6. Omeprazole41 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: $14.37

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Frocillo$14.37
  2. Specialty average$902.55

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

  1. North Macomb Medical Associates PLLCLenox, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

6 family medicine physician records list a practice address in Lenox

They are 6 of the 53 NPPES records with a practice address in Lenox, and 6,013 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Christopher J. Frocillo, D.O.'s NPI number?

Christopher J. Frocillo, D.O.'s National Provider Identifier (NPI) is 1518967835, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher J. Frocillo, D.O. located?

The NPPES record lists a practice address at 66707 Gratiot Ave, Lenox, MI, 48050. Phone: (586) 727-5840. Providers update this record themselves, so call before visiting.

How can I verify Christopher J. Frocillo, D.O.'s license?

NPPES lists Michigan license number 5101013229, 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 Christopher J. Frocillo, D.O. prescribe under Medicare Part D?

In 2024, Christopher J. Frocillo, D.O. had 1,342 Medicare Part D claims for 165 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.