Dr. John M. Huffman Jr., MD

  • Annapolis, MD
  • Anesthesiologist
NPI1194782243PAC ID3274666326
Medicare services, 2024
3,346
Medicare patients, 2024
219
Part D claims, 2024
1,244
Publications
1
Clinical trials
2
Practice address
166 Defense Hwy, Annapolis, MD 21401
Practice phone
Call (410) 643-1999
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Annapolis Surgery Pavilion, LLC.

Annapolis, Maryland

See all 8 affiliations

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Dr. John M. Huffman Jr. is an anesthesiologist in Annapolis, Maryland

Dr. Huffman practices at Annapolis Surgery Pavilion, LLC. in Annapolis, Maryland.

Dr. Huffman's NPI, 1194782243, was assigned on May 1, 2006. Dr. Huffman graduated from Wake Forest School of Medicine in 1989. Dr. Huffman holds Virginia license 0101268577.

NPI and contact details
Medicare PAC ID
3274666326
NPI enumeration date
May 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 643-1999
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. John M. Huffman Jr. practices at Annapolis Surgery Pavilion, LLC. in Annapolis, Maryland

Dr. Huffman's primary practice is Annapolis Surgery Pavilion, LLC., at 166 Defense Hwy, Annapolis, MD 21401 in Anne Arundel County. The practice phone is (410) 643-1999.

  • Annapolis Surgery Pavilion, LLC.
    166 Defense Hwy, Annapolis, MD 21401 · Anne Arundel CountyPhone(410) 643-1999

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

Dr. John M. Huffman Jr. is affiliated with 4 sites of care and 4 medical groups

Dr. Huffman's primary practice is Annapolis Surgery Pavilion, LLC. in Annapolis, Maryland. The medical group on file is All Star Pain Management & Regenerative Medicine. Dmand AI also links Dr. Huffman to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Huffman

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

Dmand AI tracks the EHR system at Dr. John M. Huffman Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Huffman practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Annapolis Surgery Pavilion, LLC.Available with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John M. Huffman Jr. is one of 965 anesthesiologists in Maryland

Anesthesiology is Dr. Huffman's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Huffman is board certified in advanced cardiac life support by the Advanced Medical Cerification. Dmand AI has Dr. Huffman's licenses on file in 3 states: Virginia, Maryland and District of Columbia.

Specialties and state licenses

  • Anesthesiology, VirginiaPrimaryLicense 0101268577 · 2020 to 2026 · taxonomy 207L00000X
  • Interventional pain medicine, MarylandLicense D51904 · 1997 to 2026 · taxonomy 208VP0014X
  • District of Columbia license1993 to 2024

Clinical focus

Dmand AI lists back pain injection, lower back pain, muscle pain, fibromyalgia, and limb pain, spinal stenosis and thoracic spine disorders among the conditions Dr. Huffman treats.

Anesthesiologists near Dr. Huffman

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

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

Dr. John M. Huffman Jr. billed Medicare for 3,346 services in 2024

CMS data shows 3,346 Medicare services from Dr. Huffman across 17 procedure codes in 2024, for 219 Medicare patients. Medicare paid $139,269 for them. Every service was in an office.

Medicare services, 20243,346
Medicare patients219
Paid by Medicare$139,269
Procedure codes17

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

  • 2023
  • 2024
Drugs given in the office
2023: 3262024: 2,081538%
Office and hospital visits
2023: 5402024: 74338%
Surgery
2023: 3592024: 42218%
Other services
2023: 02024: 55
Tests and treatments
2023: 882024: 3363%
Imaging
2023: 02024: 12

Dr. Huffman compared with the Maryland median for anesthesiologists, 2024

  • Dr. Huffman
  • Maryland median
Medicare services
3,346vs 10133.1 times
Medicare patients
219vs 17624% above
Part D claims
1,132vs 2939.0 times

Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.

Dr. Huffman'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. Huffman

Need commercial claims for Dr. Huffman?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Huffman and other anesthesiologists in Maryland.

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

Dr. John M. Huffman Jr. treated 219 Medicare patients in 2024, average age 74

CMS counts 219 Medicare patients who saw Dr. Huffman in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Huffman's median patient age at 65, with 61% women.

Medicare patients, 2024219
Average age74
Average risk score1.29

Dr. Huffman's Medicare patients by age, 2024

Dr. Huffman's Medicare patients by sex, 2024

  • Women13260%
  • Men8740%

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

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure74%
  4. Alcohol and drug use disorders45%
  5. Anxiety32%
  6. Mood disorders32%
  7. Depression30%
  8. Diabetes30%

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

Dr. Huffman's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women61%
  • Men38%

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

Dr. John M. Huffman Jr. wrote 1,244 Medicare Part D claims in 2024

In 2024, Dr. Huffman wrote 1,244 Medicare Part D claims for 113 patients. 90% of them were for generic drugs. CMS names the drug for 1,132 of them, across 30 drugs with 11 or more claims each, at $82,070 in total drug cost. In 2023, CMS named 832 claims across 25 drugs.

Part D claims, 20241,244
Drugs named by CMS30
Total drug cost$82,070
Part D patients113

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

  • Generic1,116 claims90%
  • Brand-name128 claims10%

Dr. Huffman'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. Huffman's Part D claims, 2024

  • Opioids62%776 of 1,244 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: 8322024: 1,13236%

Drugs named by CMS: 30 in 2024, 25 in 2023.

See all prescribing by Dr. Huffman

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

How Dr. John M. Huffman Jr. takes part in Medicare

Dr. Huffman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John M. Huffman Jr. has 1 publication on record

Dmand AI links 1 paper to Dr. Huffman in 2016. Dr. Huffman's most frequent co-authors are Eric J. Grigsby, MD, Peter Konrad, MD, PhD and Robert James Plunkett, MD.

Papers1

Dr. Huffman's most frequent co-authors

Recent publications by Dr. Huffman

See all 1 publications and co-authors

See who Dr. Huffman researches with

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

How network discovery works

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

Dr. John M. Huffman Jr. has worked on 2 clinical trials

Dmand AI links Dr. Huffman to 2 clinical trials. Conditions studied include Essential Tremor and Dystonia. MedtronicNeuro sponsors the most, 2.

Conditions in Dr. Huffman's trials

  • Essential Tremor
  • Dystonia

Investigators on the most trials with Dr. Huffman

Recent clinical trials with Dr. Huffman

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

Dr. John M. Huffman Jr. received $114,619 in industry payments from 2016 to 2025

CMS Open Payments shows 524 general payments to Dr. Huffman from 33 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 82% of the total. Medtronic USA, Inc. paid the most, $98,346. It also lists 40 research payments totaling $627,466 from 2016 to 2020.

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

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

$114.6Kin total
  • Speaker and faculty fees$93,41782%
  • Food and beverage$16,26014%
  • Consulting fees$4,5654%
  • Travel and lodging$3770%

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

Share is of all general payments to this clinician.

See all payments to Dr. Huffman

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

Dr. John M. Huffman Jr. has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Huffman.

Awards and honors for Dr. Huffman

  1. Undated
    • Checkbook Top Doc
    • Super Doc
    • Washingtonian Top Doctors

Source: Dmand AI Professional Profile Data

Dr. John M. Huffman Jr. graduated from Wake Forest School of Medicine

Dr. Huffman graduated from Wake Forest School of Medicine in 1989. Dr. Huffman is a member of ASA.

  1. Medical schoolWake Forest School of Medicine
  2. Board certified in advanced cardiac life supportAdvanced Medical Cerification
  3. Board certified in anesthesiologyAmerican Board of Anesthesiology
  4. Board certified in pain medicineAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. John M. Huffman Jr. accepts plans from 9 insurance carriers

Dr. Huffman is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • CareFirst BlueCross BlueShield
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Huffman accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Dr. John M. Huffman Jr.'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)
Awards and committee rolesDmand AI Professional Profile Data
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. John M. Huffman Jr.

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. John M. Huffman Jr.'s NPI number?

Dr. John M. Huffman Jr.'s NPI number is 1194782243. It was assigned on May 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John M. Huffman Jr.?

Dr. John M. Huffman Jr. is an anesthesiologist in Annapolis, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. John M. Huffman Jr. practice?

Dr. Huffman practices at 166 Defense Hwy, Annapolis, MD 21401. Dr. Huffman's primary practice is Annapolis Surgery Pavilion, LLC. in Annapolis, Maryland. Dmand AI also links Dr. Huffman to 3 group practices and clinics and 3 medical groups.

What is Dr. John M. Huffman Jr.'s office phone number?

The practice phone on file for Dr. Huffman is (410) 643-1999.

What is Dr. John M. Huffman Jr.'s medical license number?

Dr. Huffman holds Virginia license 0101268577, one of the licenses on file in 3 states.

Which states has Dr. John M. Huffman Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Huffman in Virginia (2020 to 2026), Maryland (1997 to 2026) and District of Columbia (1993 to 2024).

What medical group is Dr. John M. Huffman Jr. part of?

Dr. Huffman is linked to All Star Pain Management & Regenerative Medicine. Dmand AI links Dr. Huffman to 3 more medical groups.

Does Dr. John M. Huffman Jr. accept Medicare?

Yes. CMS data shows Dr. Huffman billed Medicare for 3,346 services in 2024, and Dr. Huffman accepts Medicare assignment.

How many Medicare patients does Dr. John M. Huffman Jr. see?

CMS counts 219 Medicare patients who saw Dr. Huffman in 2024, with an average age of 74.

Is Dr. John M. Huffman Jr. board certified?

Yes. Dr. Huffman is board certified in advanced cardiac life support by the Advanced Medical Cerification.

Show 8 more questionsShow fewer questions

What services does Dr. John M. Huffman Jr. bill to Medicare?

In 2024, Dr. Huffman's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and surgery: brain, spine and nerves (62370).

Where did Dr. John M. Huffman Jr. go to medical school?

Dr. Huffman graduated from Wake Forest School of Medicine in 1989.

What drugs does Dr. John M. Huffman Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Huffman's most prescribed drugs by claims were Oxycodone HCl, Hydromorphone HCl and Gabapentin.

Has Dr. John M. Huffman Jr. received payments from drug or device companies?

CMS Open Payments shows $114,619 in general payments to Dr. Huffman from 33 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.

How long has Dr. John M. Huffman Jr. been practicing?

Dr. Huffman graduated from medical school in 1989, 37 years ago.

Does Dr. John M. Huffman Jr. do research?

Dmand AI links 1 publication to Dr. Huffman. Dr. Huffman has worked on 2 clinical trials.

Who does Dr. John M. Huffman Jr. publish with?

Dr. Huffman's most frequent co-authors are Eric J. Grigsby, MD (1 shared paper), Peter Konrad, MD, PhD (1 shared paper) and Robert James Plunkett, MD (1 shared paper).

What insurance does Dr. John M. Huffman Jr. accept?

Dr. Huffman is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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