NPPES file of Aug 9, 2026

Carl Woodrow Christensen, MD

Addiction Medicine (Family Medicine) Physician · Ypsilanti, MI

Carl Woodrow Christensen, MD is an addiction medicine (family medicine) physician with a practice address in Ypsilanti, Michigan, and NPI 1598703621, issued on Jun 2, 2006. Check the license (Michigan 4301048048, 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
1598703621
Name
Carl Woodrow Christensen
Credential
MD
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
4301048048 MI
Self-reported in NPPES; status is on the state search
Practice location
4870 W Clark RD Ste 201, Ypsilanti, MI 48197
Phone
(734) 434-6600
Enumerated
Jun 2, 2006
Record last updated
Nov 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(313) 447-2244
Medicare enrollment
Enrolled (PECOS I20050608000704); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1979
Telehealth
Offers telehealth (CMS)
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 4870 W Clark RD Ste 201

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

  1. Hussein Hamka, DDSDentist1881370443

Verify Carl Woodrow Christensen 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 4301048048    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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26% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024

490 Medicare Part D claims for 35 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 122 claims were for opioids.

  1. Carl Christensen490
  2. Specialty average664

Most prescribed

  1. Buprenorphine-Naloxone201 claims
  2. Gabapentin58 claims
  3. Hydrocodone-Acetaminophen54 claims
  4. Morphine Sulfate25 claims
  5. Tramadol Hcl17 claims
  6. Buprenorphine Hcl16 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.

Bills Medicare through one group practice

  1. Iha Health Services CorporationAnn Arbor, MI

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

Addiction Medicine (Family Medicine) Physician providers in Michigan

There are 37 addiction medicine (family medicine) physician records in Michigan.

All 37 in Michigan → Every provider in Ypsilanti →

Other addiction medicine (family medicine) physician records in Michigan

  1. Jerry Appel, DOBloomfield Township, MI1134335359
  2. Jason Beatty, DOAlpena, MI1013150580
  3. Julie Brockman, APRN-CNPGrandville, MI1104668102
  4. Eric Coffman, D.O.Bloomfield, MI1457469330
  5. Paul Emerson, D.O.Taylor, MI1053458638
  6. John Evans, DOSaginaw, MI1154509172
  7. Peter Farago, M.D.Grosse Pointe, MI1942452552
  8. Michael Fox, D.O.Livonia, MI1558444711
  9. Morgan Fox, DOLivonia, MI1285208074
  10. Timothy Gammons, D.O.Sterling Heights, MI1730163023

Common questions

What is Carl Woodrow Christensen, MD's NPI number?

Carl Woodrow Christensen, MD's National Provider Identifier (NPI) is 1598703621, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carl Woodrow Christensen, MD located?

The NPPES record lists a practice address at 4870 W Clark RD Ste 201, Ypsilanti, MI, 48197. Phone: (734) 434-6600. Providers update this record themselves, so call before visiting.

How can I verify Carl Woodrow Christensen, MD's license?

NPPES lists Michigan license number 4301048048, 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 Carl Woodrow Christensen, MD prescribe under Medicare Part D?

In 2024, Carl Woodrow Christensen, MD had 490 Medicare Part D claims for 35 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.