NPPES file of Aug 9, 2026

Cathy Xiang Gao, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Ellicott City, MD

Cathy Xiang Gao, M.D. is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Ellicott City, Maryland, and NPI 1487639720, issued on Dec 9, 2005. Check the license (Maryland D57718, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487639720
Name
Cathy Xiang Gao
Credential
M.D.
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License number
D57718 MD
Self-reported in NPPES; status is on the state search
Practice location
4801 Dorsey Hall Dr, Ellicott City, MD 21042
Phone
(410) 992-7440
Enumerated
Dec 9, 2005
Record last updated
Jan 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(443) 276-0349
Medicaid ID
409914100 MD
Medicare enrollment
Enrolled (PECOS I20040621000483); accepts Medicare assignment
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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8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 61 in Maryland → Look up another NPI →

Also registered at 4801 Dorsey Hall Dr

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

  1. Joseph Aleo, M.D.Internal Medicine Physician1831176577
  2. Joshua Anderson, MS, PA-CMedical Physician Assistant1891005484
  3. Richard Bacharach, MDPsychiatry Physician1306852439
  4. Thomas Boettger, PTPhysical Medicine & Rehabilitation Physician1447246384
  5. Hanbiao Cao, L.AC.Acupuncturist1518090810
  6. Melissa Conti, P.A.Internal Medicine Physician1194802702

Verify Cathy Xiang Gao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D57718    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

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82% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024

259 Medicare Part D claims for 36 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 130 claims were for opioids.

  1. Cathy Gao259
  2. Specialty average1,479

Most prescribed

  1. Diclofenac Sodium53 claims
  2. Oxycodone Hcl34 claims
  3. Gabapentin27 claims
  4. Hydrocodone-Acetaminophen25 claims
  5. Methadone Hcl25 claims
  6. Tramadol Hcl22 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: $195.02

3 payments; by number, the most common kind was travel and lodging; the largest payer was Nevro Corp. The 1,126 providers of this specialty with any payment received $2,193.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cathy Gao$195.02
  2. Specialty average$2,193.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Cathy Xiang Gao among 61 pain medicine (physical medicine & rehabilitation) physician records in Maryland

Cathy Xiang Gao, M.D. is one of 61 pain medicine (physical medicine & rehabilitation) physician records with a practice address in Maryland. 66% 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, 74% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1988 · median 2002 among the 38 with a school on file
  • Record last updated2014 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Maryland

There are 61 pain medicine (physical medicine & rehabilitation) physician records in Maryland.

All 61 in Maryland → Every provider in Ellicott City → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →

The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. James Lee, M.D.Columbia, MD 210441275591364
  2. Mariam Hameed, MDColumbia, MD 210451639333644
  3. Sean Sanderson, MDGlen Burnie, MD 210611548496995
  4. Susan Zimmerman, MDGlen Burnie, MD 210611437149499
  5. Kevin Bedwell, PA-CBel Air, MD 210151245250398
  6. Hyon Schneider, M.D.Havre De Grace, MD 210781487814042
  7. David Jacobs, MDLutherville, MD 210931093178386
  8. Leo Korotki, M.D.Lutherville, MD 210931710984232

Common questions

What is Cathy Xiang Gao, M.D.'s NPI number?

Cathy Xiang Gao, M.D.'s National Provider Identifier (NPI) is 1487639720, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Cathy Xiang Gao, M.D. located?

The NPPES record lists a practice address at 4801 Dorsey Hall Dr, Ellicott City, MD, 21042. Phone: (410) 992-7440. Providers update this record themselves, so call before visiting.

How can I verify Cathy Xiang Gao, M.D.'s license?

NPPES lists Maryland license number D57718, 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 Cathy Xiang Gao, M.D. prescribe under Medicare Part D?

In 2024, Cathy Xiang Gao, M.D. had 259 Medicare Part D claims for 36 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.