Dr. Gary Blick, MD

  • Rockville, MD
  • Infectious disease specialist
NPI1598837957PAC ID2961672886
Medicare services, 2024
190
Medicare patients, 2024
42
Part D claims, 2024
6,782
Publications
30
Clinical trials
12
Practice address
6111 Executive Blvd, Rockville, MD 20852
Practice phone
Call (703) 802-6900
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Quest Diagnostics Nichols Institute, Inc.

Rockville, Maryland

See all 4 affiliations

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Dr. Gary Blick is an infectious disease specialist in Rockville, Maryland

Dr. Blick practices at Quest Diagnostics Nichols Institute, Inc. in Rockville, Maryland.

Dr. Blick's NPI, 1598837957, was assigned on November 14, 2006. Dr. Blick graduated from University of Miami, Miller School of Medicine in 1984. Dr. Blick's Connecticut license number on file is 027524.

NPI and contact details
Medicare PAC ID
2961672886
NPI enumeration date
November 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(703) 802-6900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gary Blick practices at Quest Diagnostics Nichols Institute, Inc. in Rockville, Maryland

Dr. Blick's primary practice is Quest Diagnostics Nichols Institute, Inc., at 6111 Executive Blvd, Rockville, MD 20852 in Montgomery County. The practice phone is (703) 802-6900.

  • Quest Diagnostics Nichols Institute, Inc.
    6111 Executive Blvd, Rockville, MD 20852 · Montgomery CountyPhone(703) 802-6900

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gary Blick is affiliated with 3 sites of care and 1 medical group

Dr. Blick's primary practice is Quest Diagnostics Nichols Institute, Inc. in Rockville, Maryland. Dr. Blick is also affiliated with Yale New Haven Hospital. The medical group on file is Ally Wellness. Dmand AI also links Dr. Blick to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Blick

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gary Blick's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blick practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Quest Diagnostics Nichols Institute, Inc.Available with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gary Blick is one of 303 infectious disease specialists in Maryland

Infectious disease is Dr. Blick's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Blick is board certified in hiv specialist by the American Academy of HIV Medicine. Dmand AI has Dr. Blick's licenses on file in 3 states: Connecticut, Rhode Island and New York.

Specialties and state licenses

  • Infectious disease, ConnecticutPrimaryLicense 027524 · 1986 to 2025 · taxonomy 207RI0200X
  • Rhode Island license2024 to 2026
  • New York license1985 to 2025

Clinical focus

Dmand AI lists hiv/aids, lyme disease and UTI among the conditions Dr. Blick treats.

Infectious disease specialists near Dr. Blick

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

303infectious disease specialists in Maryland
9infectious disease specialists in Rockville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gary Blick billed Medicare for 190 services in 2024

CMS data shows 190 Medicare services from Dr. Blick across 4 procedure codes in 2024, for 42 Medicare patients. Medicare paid $10,060 for them. Every service was in an office.

Medicare services, 2024190
Medicare patients42
Paid by Medicare$10,060
Procedure codes4

Dr. Blick's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1132024: 12914%
Tests and treatments
2023: 02024: 40
Surgery
2023: 02024: 21

Dr. Blick compared with the Maryland median for infectious disease specialists, 2024

  • Dr. Blick
  • Maryland median
Medicare services
190vs 21712% below
Medicare patients
42vs 12667% below
Part D claims
5,997vs 9861.2 times

Medians across 250 infectious disease specialists in Maryland with Dmand AI profiles that report each measure.

Dr. Blick's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Blick

Need commercial claims for Dr. Blick?

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gary Blick treated 42 Medicare patients in 2024, average age 68

CMS counts 42 Medicare patients who saw Dr. Blick in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 40% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Blick's median patient age at 61, with 14% women.

Medicare patients, 202442
Average age68
Average risk score1.31
Also on Medicaid40%

Dr. Blick's Medicare patients by age, 2024

Chronic conditions among Dr. Blick's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure74%
  3. Diabetes52%
  4. Mood disorders43%
  5. Depression38%
  6. Ischemic heart disease36%
  7. Anxiety33%
  8. Chronic kidney disease31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Blick's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women14%
  • Men83%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gary Blick wrote 6,782 Medicare Part D claims in 2024

In 2024, Dr. Blick wrote 6,782 Medicare Part D claims for 121 patients. 64% of them were for generic drugs. CMS names the drug for 5,997 of them, across 125 drugs with 11 or more claims each, at $5,539,747 in total drug cost. In 2023, CMS named 6,212 claims across 132 drugs.

Part D claims, 20246,782
Drugs named by CMS125
Total drug cost$5.5M
Part D patients121

Dr. Blick's Part D claims by kind of drug, 2024

  • Generic4,323 claims64%
  • Brand-name2,424 claims36%
  • Other35 claims1%

Dr. Blick's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Blick's Part D claims, 2024

  • Opioids1%51 of 6,782 claims
  • Antibiotics2%160 of 6,782 claims
  • Antipsychotics, patients 65 and over1%46 of 6,782 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,2122024: 5,9973%

Drugs named by CMS: 125 in 2024, 132 in 2023.

See all prescribing by Dr. Blick

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gary Blick offers telehealth to Medicare patients

Dr. Blick accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Blick as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Gary Blick has 30 publications on record

Dmand AI links 30 papers to Dr. Blick, published from 2011 to 2024. 2011 was the busiest year, with 6. The most frequent topics are HIV Infections, Hypogonadism and Testosterone. Dr. Blick has published most often in Postgrad Med. Dr. Blick's most frequent co-authors are Rajib Kumar Bhattacharya, MD, Mohit Khera, MD and Martin M. Miner, MD.

Papers30
Years published2011 to 2024

Dr. Blick's papers by year, 2011 to 2024

Topics Dr. Blick writes about most

  • HIV Infections
  • Hypogonadism
  • Testosterone
  • Hormone Replacement Therapy
  • Viral Load
  • Anti-HIV Agents
  • Drug Therapy, Combination
  • HIV-1

Dr. Blick's most frequent co-authors

Recent publications by Dr. Blick

See all 30 publications and co-authors

See who Dr. Blick researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blick works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gary Blick has worked on 12 clinical trials

Dmand AI links Dr. Blick to 12 clinical trials, 3 of them phase 1/2 studies. 1 is still active or recruiting. Conditions studied include HIV Infections, Lentivirus Infections and Acquired Immunodeficiency Syndrome. Sangamo Therapeutics sponsors the most, 3.

Clinical trials with Dr. Blick by phase

  1. 2Phase 1: 2 trials
  2. 3Phase 1/2: 3 trials
  3. 1Phase 2: 1 trial
  4. 3Phase 3: 3 trials
  5. 2Phase 4: 2 trials

Conditions in Dr. Blick's trials

  • HIV Infections
  • Lentivirus Infections
  • Acquired Immunodeficiency Syndrome
  • Slow Virus Diseases
  • Diarrhea

Investigators on the most trials with Dr. Blick

Recent clinical trials with Dr. Blick

See all 12 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Gary Blick received $732,967 in industry payments from 2016 to 2025

CMS Open Payments shows 998 general payments to Dr. Blick from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 80% of the total. ViiV Healthcare Company paid the most, $685,215.

General payments to Dr. Blick by program year, 2016 to 2025

General payments to Dr. Blick by kind, 2016 to 2025

$733Kin total
  • Speaker and faculty fees$589,94480%
  • Travel and lodging$78,69411%
  • Consulting fees$35,5785%
  • Food and beverage$20,7843%
  • Other$7,9681%

Companies that paid Dr. Blick the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Blick

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gary Blick graduated from University of Miami, Miller School of Medicine

Dr. Blick graduated from University of Miami, Miller School of Medicine in 1984. Dr. Blick is a member of American Academy of HIV Medicine, AMA, CT State Medical Society, Fairfield County Medical Association, HIV Medical Association and International AIDS Society.

  1. Medical schoolUniversity of Miami, Miller School of Medicine
  2. Board certified in hiv specialistAmerican Academy of HIV Medicine

Source: Dmand AI Professional Profile Data

Dr. Gary Blick accepts plans from 13 insurance carriers

Dr. Blick is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +5 more carriersWith a free account

Plan types Dr. Blick accepts, by number of carriers

  1. PPO8
  2. Medicare7
  3. POS4
  4. HMO3
  5. EPO2
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Gary Blick's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gary Blick

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gary Blick's NPI number?

Dr. Gary Blick's NPI number is 1598837957. It was assigned on November 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary Blick?

Dr. Gary Blick is an infectious disease specialist in Rockville, Maryland. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Gary Blick practice?

Dr. Blick practices at 6111 Executive Blvd, Rockville, MD 20852. Dr. Blick's primary practice is Quest Diagnostics Nichols Institute, Inc. in Rockville, Maryland. Dmand AI also links Dr. Blick to 1 group practice or clinic.

What is Dr. Gary Blick's office phone number?

The practice phone on file for Dr. Blick is (703) 802-6900.

What is Dr. Gary Blick's medical license number?

Dr. Blick's Connecticut license number on file is 027524, one of the licenses on file in 3 states.

Which states has Dr. Gary Blick been licensed in?

Dmand AI has state licenses on file for Dr. Blick in Connecticut (1986 to 2025), Rhode Island (2024 to 2026) and New York (1985 to 2025).

Which hospitals is Dr. Gary Blick affiliated with?

Dr. Blick is affiliated with Yale New Haven Hospital.

What medical group is Dr. Gary Blick part of?

Dr. Blick is linked to Ally Wellness.

Does Dr. Gary Blick accept Medicare?

Yes. CMS data shows Dr. Blick billed Medicare for 190 services in 2024, and Dr. Blick accepts Medicare assignment.

Does Dr. Gary Blick offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Blick as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Gary Blick see?

CMS counts 42 Medicare patients who saw Dr. Blick in 2024, with an average age of 68.

Is Dr. Gary Blick board certified?

Yes. Dr. Blick is board certified in hiv specialist by the American Academy of HIV Medicine.

What services does Dr. Gary Blick bill to Medicare?

In 2024, Dr. Blick's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and infusion or chemotherapy administration (96372).

Where did Dr. Gary Blick go to medical school?

Dr. Blick graduated from University of Miami, Miller School of Medicine in 1984.

What drugs does Dr. Gary Blick prescribe most?

In 2024 Medicare Part D data, Dr. Blick's most prescribed drugs by claims were Dovato, Xyosted and Rosuvastatin Calcium.

Has Dr. Gary Blick received payments from drug or device companies?

CMS Open Payments shows $732,967 in general payments to Dr. Blick from 31 companies from 2016 to 2025. The largest total came from ViiV Healthcare Company.

How long has Dr. Gary Blick been practicing?

Dr. Blick graduated from medical school in 1984, 42 years ago.

Does Dr. Gary Blick do research?

Dmand AI links 30 publications to Dr. Blick, published from 2011 to 2024. Dr. Blick has worked on 12 clinical trials.

Who does Dr. Gary Blick publish with?

Dr. Blick's most frequent co-authors are Rajib Kumar Bhattacharya, MD (9 shared papers), Mohit Khera, MD (9 shared papers) and Martin M. Miner, MD (2 shared papers).

What insurance does Dr. Gary Blick accept?

Dr. Blick is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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