NPPES file of Aug 9, 2026

Michael Guy Rydberg, MD

Geriatric Medicine (Internal Medicine) Physician · Chapel Hill, NC

Michael Guy Rydberg, MD is a geriatric medicine (internal medicine) physician with a practice address in Chapel Hill, North Carolina, and NPI 1427580935, issued on Apr 3, 2017. Check the license (North Carolina 2022-00056, as entered in NPPES) on the North Carolina Medical Board; 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
1427580935
Name
Michael Guy Rydberg
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
2022-00056 NC
Self-reported in NPPES; status is on the state search
Practice location
101 Manning Dr, Chapel Hill, NC 27514
Phone
(919) 445-6764
Enumerated
Apr 3, 2017
Record last updated
Aug 14, 2024
Medicare enrollment
Enrolled (PECOS I20220602000327); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 2017
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 101 Manning Dr

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

  1. Jihad Abdelgadir Imam Mohamed Ahmed, MDNeurological Surgery Physician1942706320
  2. Abimbola Abiola, M.DStudent in an Organized Health Care Education/Training Program1831880780
  3. Elise Abken, MDPsychiatry Physician1558884221
  4. Amy Abramowitz, M.D.Psychiatry Physician1871983676
  5. Sudeep Acharya, M.D.Student in an Organized Health Care Education/Training Program1144719402
  6. Stephen Acosta, MDAnesthesiology Physician1255741757

Verify Michael Guy Rydberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2022-00056
    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 North Carolina license search

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72% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,206 Medicare Part D claims for 197 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Michael Rydberg1,206
  2. Specialty average4,246

Most prescribed

  1. Amlodipine Besylate80 claims
  2. Atorvastatin Calcium68 claims
  3. Eliquis52 claims
  4. Hydrochlorothiazide37 claims
  5. Levothyroxine Sodium37 claims
  6. Mirtazapine32 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 2 group practices

  1. Galloway Ridge, IncPittsboro, NC
  2. University OF North Carolina AT Chapel HillChapel Hill, NC

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

Michael Guy Rydberg among 157 geriatric medicine (internal medicine) physician records in North Carolina

Michael Guy Rydberg, MD is one of 157 geriatric medicine (internal medicine) physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.

  • NPI issued2017 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2017 · median 2006 among the 97 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in North Carolina

There are 157 geriatric medicine (internal medicine) physician records in North Carolina.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Ashley Allen, MDChapel Hill, NC 275141265883516
  2. Dominic Boccaccio, MDChapel Hill, NC 275141265098578
  3. George Clement, MDChapel Hill, NC 275141740630607
  4. Rachel Eliach, MDChapel Hill, NC 275141922569722
  5. Brianna Harder, MDChapel Hill, NC 275141033609326
  6. Tiffany LongChapel Hill, NC 275141811486186
  7. Ulysses Toche, M.D.Chapel Hill, NC 275141649712381
  8. Maurice Bienenfeld, M.D.Cary, NC 275131528021631

Common questions

What is Michael Guy Rydberg, MD's NPI number?

Michael Guy Rydberg, MD's National Provider Identifier (NPI) is 1427580935, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Michael Guy Rydberg, MD located?

The NPPES record lists a practice address at 101 Manning Dr, Chapel Hill, NC, 27514. Phone: (919) 445-6764. Providers update this record themselves, so call before visiting.

How can I verify Michael Guy Rydberg, MD's license?

NPPES lists North Carolina license number 2022-00056, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Guy Rydberg, MD prescribe under Medicare Part D?

In 2024, Michael Guy Rydberg, MD had 1,206 Medicare Part D claims for 197 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.