NPPES file of Aug 9, 2026

Tammy Hadley, M.D.

Internal Medicine Physician · Lutherville, MD

Tammy Hadley, M.D. is an internal medicine physician with a practice address in Lutherville, Maryland, and NPI 1598766958, issued on Aug 9, 2005. Check the license (Maryland D0047668, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598766958
Name
Tammy Hadley
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0047668 MD
Self-reported in NPPES; status is on the state search
Practice location
10755 Falls RD, Lutherville, MD 21093
Phone
(410) 583-7110
Enumerated
Aug 9, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(410) 583-7128
Medicare enrollment
Enrolled (PECOS I20101004001175); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1992
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 10755 Falls RD

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

  1. Modupe Agueh McCracken, M.D., MPHObstetrics & Gynecology Physician1497998819
  2. Charles Angell, M.D.Cardiovascular Disease Physician1881695989
  3. Deborah Armstrong, M.D.Medical Oncology Physician1437113255
  4. John Aucott, M.D.Internal Medicine Physician1578564233
  5. Paul Auwaerter, M.D.Infectious Disease Physician1083679849
  6. Peter Belitsos, M.D.Gastroenterology Physician1619978871

Verify Tammy Hadley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0047668
    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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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45% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,759 Medicare Part D claims for 164 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Tammy Hadley1,759
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium103 claims
  2. Rosuvastatin Calcium74 claims
  3. Lisinopril63 claims
  4. Levothyroxine Sodium52 claims
  5. Amlodipine Besylate51 claims
  6. Atenolol51 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.9
  2. Costout of 100 · 30%52.8
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $438.65

22 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammy Hadley$438.65
  2. Specialty average$1,303.06

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. Greenspring Personal Medicine, LLCLutherville, MD

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

Tammy Hadley among 3,904 internal medicine physician records in Maryland

Tammy Hadley, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1992 · median 2003 among the 2,445 with a school on file
  • Record last updated2007 · 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 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 internal medicine physician records list a practice address in Lutherville

They are 65 of the 952 NPPES records with a practice address in Lutherville, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Aucott, M.D.Lutherville, MD 210931578564233
  2. Christine Bell Lafferman, M.D.Lutherville, MD 210931992771653
  3. Holly Dahlman, M.D.Lutherville, MD 210931962464552
  4. Norman Dy, MDLutherville Timonium, MD 210931215997275
  5. Melissa Fox, M.D.Lutherville, MD 210931700843273
  6. Nicholas Mellis, M.D.Timonium, MD 210931588663108
  7. Susan Molinaro, M.D.Lutherville, MD 210931518968874
  8. Laura Mumford, M.D.Lutherville, MD 210931700837804

Common questions

What is Tammy Hadley, M.D.'s NPI number?

Tammy Hadley, M.D.'s National Provider Identifier (NPI) is 1598766958, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Hadley, M.D. located?

The NPPES record lists a practice address at 10755 Falls RD, Lutherville, MD, 21093. Phone: (410) 583-7110. Providers update this record themselves, so call before visiting.

How can I verify Tammy Hadley, M.D.'s license?

NPPES lists Maryland license number D0047668, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tammy Hadley, M.D. prescribe under Medicare Part D?

In 2024, Tammy Hadley, M.D. had 1,759 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Tammy Hadley, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.