David Lamia Parris, MD
Anesthesiology · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
Offices
1 location
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Parris’s office at (650) 853-2894 to ask if they take your plan before you enroll.
California Medical Board record
Licence A104426 · Current
Licensed to practise in California · since 2008 · expires 2027-08-31 · Indiana University School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$17,640
Medicare paid this office $17,640 for 133 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for other procedure on large bowel using an endoscope | 48 | $5,570 | $116 |
| Anesthesia for lens surgery | 24 | $2,051 | $82 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 18 | $2,024 | $112 |
Who their Medicare patients are
133 Original Medicare patients in 2024. Average age 75 · Women 53% · Also on Medicaid 10% · Health risk score 0.83. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 51% · Cancer 24% · Coronary heart disease 20% · Depression 20% · Diabetes 18% · Chronic kidney disease 14% · COPD 12% · Atrial fibrillation 11%.
The office billed $175,685, Medicare allowed $22,938 and paid $17,640; for 141 services of 25 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 133 | 141 | 75 | 0.83 | $175,685 | $17,640 |
| 2023 | 327 | 361 | 74 | 0.85 | $464,700 | $50,100 |
| 2022 | 29 | 41 | 72 | 0.97 | $58,474 | $6,878 |
| 2021 | 152 | 379 | 76 | 2.12 | $471,811 | $55,360 |
| 2020 | 138 | 359 | 75 | 2.40 | $461,711 | $55,100 |
| 2019 | 163 | 421 | 76 | 2.26 | $526,041 | $63,330 |
| 2018 | 178 | 515 | 76 | 1.95 | $595,535 | $71,370 |
| 2017 | 160 | 474 | 76 | 1.49 | $516,141 | $66,146 |
| 2016 | 159 | 467 | 74 | 1.66 | $515,204 | $68,631 |
| 2015 | 157 | 340 | 75 | 1.82 | $352,400 | $59,064 |
| 2014 | 155 | 351 | 74 | 1.88 | $350,680 | $61,904 |
| 2013 | 140 | 339 | 75 | 1.51 | $266,215 | $56,367 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 6 services
| Anesthesia for lens surgery | 96 | $11,094 | $103 |
| Anesthesia for other procedure on large bowel using an endoscope | 70 | $8,737 | $125 |
| Anesthesia for other procedure on lower abdomen | 14 | $3,414 | $244 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 22 | $2,587 | $118 |
| Anesthesia for other procedure on urinary system through urethra | 18 | $2,166 | $120 |
| Anesthesia for procedure on small and large bowel using an endoscope | 12 | $1,738 | $145 |
2021: 7 services
| Anesthesia for procedure to assess heart electrical activity | 65 | $23,479 | $361 |
| Anesthesia for x-ray or radiation therapy | 22 | $4,773 | $217 |
| Insertion of artery tube for blood sampling or infusion through skin | 58 | $2,297 | $39 |
| Anesthesia for procedure to correct abnormal heart rhythm | 18 | $2,202 | $122 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 21 | $1,861 | $74 |
| Ultrasonic guidance for blood vessel access | 54 | $851 | $12 |
| Insertion of probe in esophagus for heart ultrasound | 60 | $601 | $10 |
2020: 7 services
| Anesthesia for procedure to assess heart electrical activity | 55 | $21,064 | $383 |
| Anesthesia for x-ray or radiation therapy | 26 | $6,406 | $246 |
| Insertion of artery tube for blood sampling or infusion through skin | 63 | $2,548 | $40 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 20 | $1,765 | $77 |
| Anesthesia for procedure to correct abnormal heart rhythm | 11 | $1,284 | $117 |
| Ultrasonic guidance for blood vessel access | 58 | $920 | $13 |
| Insertion of probe in esophagus for heart ultrasound | 48 | $496 | $10 |
2019: 8 services
| Anesthesia for procedure to assess heart electrical activity | 58 | $21,467 | $364 |
| Anesthesia for x-ray or radiation therapy | 30 | $8,280 | $259 |
| Insertion of artery tube for blood sampling or infusion through skin | 68 | $2,728 | $40 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 30 | $2,469 | $75 |
| Anesthesia for procedure to correct abnormal heart rhythm | 13 | $1,657 | $127 |
| Insertion of tube in pulmonary artery for monitoring | 13 | $1,020 | $78 |
| Ultrasonic guidance for blood vessel access | 62 | $998 | $13 |
| Insertion of probe in esophagus for heart ultrasound | 54 | $560 | $10 |
2018: 9 services
| Anesthesia for procedure to assess heart electrical activity | 52 | $19,458 | $374 |
| Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) | 18 | $12,806 | $674 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 42 | $4,576 | $88 |
| Insertion of artery tube for blood sampling or infusion through skin | 94 | $3,686 | $38 |
| Anesthesia for x-ray or radiation therapy | 16 | $3,477 | $217 |
| Anesthesia for procedure to correct abnormal heart rhythm | 27 | $3,182 | $118 |
| Insertion of tube in pulmonary artery for monitoring | 18 | $1,680 | $93 |
| Ultrasonic guidance for blood vessel access | 79 | $1,360 | $13 |
| Insertion of probe in esophagus for heart ultrasound | 63 | $630 | $10 |
2017: 9 services
| Anesthesia for procedure to assess heart electrical activity | 69 | $24,421 | $354 |
| Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) | 13 | $9,144 | $703 |
| Anesthesia for other procedure on artery of upper leg | 14 | $5,869 | $391 |
| Insertion of artery tube for blood sampling or infusion through skin | 83 | $3,702 | $44 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 32 | $3,688 | $105 |
| Anesthesia for procedure to correct abnormal heart rhythm | 19 | $2,420 | $127 |
| Insertion of tube in pulmonary artery for monitoring | 16 | $1,780 | $111 |
| Ultrasonic guidance for blood vessel access | 75 | $1,350 | $13 |
| Insertion of probe in esophagus for heart ultrasound | 66 | $661 | $10 |
2016: 8 services
| Anesthesia for procedure to assess heart electrical activity | 50 | $20,152 | $388 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 42 | $5,091 | $106 |
| Anesthesia for procedure to correct abnormal heart rhythm | 30 | $4,097 | $124 |
| Anesthesia for other procedure on lower abdomen | 13 | $3,946 | $304 |
| Insertion of artery tube for blood sampling or infusion through skin | 80 | $3,602 | $44 |
| Insertion of tube in pulmonary artery for monitoring | 19 | $2,125 | $112 |
| Insertion of probe in esophagus for heart ultrasound | 65 | $1,298 | $19 |
| Ultrasonic guidance for blood vessel access | 60 | $1,074 | $13 |
2015: 8 services
| Anesthesia for procedure to assess heart electrical activity | 47 | $18,983 | $387 |
| Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) | 12 | $8,203 | $684 |
| Anesthesia for other procedure on lower abdomen | 18 | $5,715 | $301 |
| Insertion of artery tube for blood sampling or infusion through skin | 71 | $3,292 | $44 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 28 | $3,079 | $106 |
| Anesthesia for procedure to correct abnormal heart rhythm | 20 | $2,412 | $115 |
| Insertion of tube in pulmonary artery for monitoring | 15 | $1,674 | $112 |
| Insertion of probe in esophagus for heart ultrasound | 61 | $1,241 | $19 |
2014: 8 services
| Anesthesia for procedure to assess heart electrical activity | 45 | $17,438 | $388 |
| Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) | 11 | $7,547 | $686 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 41 | $4,479 | $107 |
| Anesthesia for other procedure on lower abdomen | 11 | $3,542 | $322 |
| Insertion of artery tube for blood sampling or infusion through skin | 78 | $3,514 | $44 |
| Anesthesia for procedure to correct abnormal heart rhythm | 26 | $3,240 | $120 |
| Insertion of probe in esophagus for heart ultrasound | 64 | $2,312 | $36 |
| Insertion of tube in pulmonary artery for monitoring | 14 | $1,574 | $112 |
2013: 8 services
| Anesthesia for procedure to assess heart electrical activity | 41 | $15,888 | $378 |
| Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) | 11 | $8,140 | $740 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 39 | $4,142 | $104 |
| Insertion of artery tube for blood sampling or infusion through skin | 80 | $3,621 | $43 |
| Anesthesia for other procedure on lower abdomen | 11 | $3,396 | $309 |
| Insertion of probe in esophagus for heart ultrasound | 57 | $2,075 | $35 |
| Insertion of tube in pulmonary artery for monitoring | 15 | $1,633 | $109 |
| Anesthesia for procedure to correct abnormal heart rhythm | 13 | $1,533 | $118 |
Money from drug and device companies
$35 in 2025
| 2025 | 2 | 2 | None | $35 |
| 2021 | 1 | 1 | None | $19 |
| 2020 | 1 | 1 | None | $16 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Amgen | Repatha | $18 | 1 payment
|
| Kowa Pharmaceuticals America | Zoryve | $17 | 1 payment
|
See all 2 published payments
| Amgen | Meals · 2025-11-17 | Repatha | $18 |
| Kowa Pharmaceuticals America | Meals · 2025-09-15 | Zoryve | $17 |
See earlier years (2021, 2020)
2021: $19
| GlaxoSmithKline | Shingrix | $19 | 1 payment
|
2020: $16
| IBSA Pharma | Tirosint | $16 | 1 payment
|
Professional record
- NPI
- 1396932547
- Licence
- CA A104426California A104426: Current · expires 2027-08-31
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2007-10-02
- NPI last updated
- 2023-03-07
- NPI record certified
- 2020-05-29
This is when the NPI record was last certified, not a medical board exam.